Course 1 - Glencoeglencoe.com/sec/math/t_resources/math_skills/pdfs/m1msm_2.pdf · 1. thirty-five 2. five hundred sixty 3. fifty-eight 4. seven thousand 5. two thousand, six hundred

Contents include:

■ Practice worksheets for 40 Basic Math Skills

Course 1

GLENCOEMATHEMATICSGLENCOEMATHEMATICS

Copyright © by The McGraw-Hill Companies, Inc. All rights reserved. Printed in the United States of America. Except as permitted under the United States Copyright Act, no part of this book may be reproduced in any form, electronic or mechanical, including photocopy, recording, or any information storage or retrieval system, without permission in writing from the publisher.

Send all inquiries to:Glencoe/McGraw-Hill8787 Orion PlaceColumbus, OH 43240

ISBN: 0-07-860721-3 Math Skills Maintenance Workbook, Course 1

1 2 3 4 5 6 7 8 9 10 045 11 10 09 08 07 06 05 04 03

Math Skill Page

1 Place Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Comparing and Ordering Whole Numbers . . . . . . . . . . . . . . . . . . . . 53 Rounding Whole Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Adding Whole Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Subtracting Whole Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Adding and Subtracting Whole Numbers . . . . . . . . . . . . . . . . . . . . 187 Multiplying Whole Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 Dividing Whole Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Multiplying and Dividing Whole Numbers . . . . . . . . . . . . . . . . . . . . 27

10 Operations with Whole Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . 3011 Estimating Sums of Whole Numbers. . . . . . . . . . . . . . . . . . . . . . . . 3612 Estimating Differences of Whole Numbers . . . . . . . . . . . . . . . . . . . 4013 Estimating Products of Whole Numbers . . . . . . . . . . . . . . . . . . . . . 4414 Estimating Quotients of Whole Numbers. . . . . . . . . . . . . . . . . . . . . 4715 Estimating with Whole Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . 5016 Using the Order of Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5217 Using the Order of Operations with Parentheses . . . . . . . . . . . . . . 5418 Using the Order of Operations with Powers . . . . . . . . . . . . . . . . . . 5619 Finding Common Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5820 Greatest Common Factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6021 Adding Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6222 Subtracting Decimals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6423 Adding and Subtracting Decimals . . . . . . . . . . . . . . . . . . . . . . . . . . 6624 Equivalent Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6825 Simplifying Fractions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7026 Mixed Numbers and Improper Fractions . . . . . . . . . . . . . . . . . . . . . 7227 Adding Fractions with Like Denominators . . . . . . . . . . . . . . . . . . . . 7428 Subtracting Fractions with Like Denominators . . . . . . . . . . . . . . . . 7629 Adding and Subtracting Fractions with Like Denominators . . . . . . . 7830 Identifying Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8031 Using Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8232 Measurement: Length in the Customary System . . . . . . . . . . . . . . 8433 Measurement: Capacity in the Customary System . . . . . . . . . . . . . 8534 Measurement: Weight in the Customary System . . . . . . . . . . . . . . 8635 Measurement: Length, Capacity, and Weight in the

Customary System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8736 Measurement: Capacity in the Metric System . . . . . . . . . . . . . . . . . 8837 Measurement: Mass in the Metric System . . . . . . . . . . . . . . . . . . . 8938 Measurement: The Metric System. . . . . . . . . . . . . . . . . . . . . . . . . . 9039 Measurement: Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9140 Measurement: Length, Capacity, Weight, and Temperature. . . . . . 92

iii

CONTENTS

© Glencoe/McGraw-Hill 1 Math Skills Maintenance, Course 1

Write the number named by each underlined digit.

1. 146 2. 277 3. 805

4. 447 5. 1,944 6. 4,249

7. 7,005 8. 1,841 9. 12,921

10. 14,084 11. 54,385 12. 42,388

13. 78,392 14. 631,092 15. 210,922

16. 124,908 17. 239,178 18. 364,890

19. 1,249,460 20. 2,912,832 21. 43,167,888

Math Skills MaintenancePlace Value

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

1

1


Write each number in expanded form.

1. 238 2. 813 3. 774

4. 905 5. 1,871 6. 2,784

7. 9,591 8. 4,019 9. 32,746

10. 18,806 11. 41,562 12. 72,584

13. 63,690 14. 105,294 15. 380,213

16. 722,600 17. 435,672 18. 200,060

19. 1,550,265 20. 2,311,030 21. 50,169,062

NAME ________________________________________ DATE ______________ PERIOD _____


1


Write each number in words.

1. 287 2. 635 3. 820

4. 902 5. 1,311 6. 2,895

7. 8,805 8. 4,068 9. 1,400

10. 50,000 11. 46,500 12. 62,604

13. 23,007 14. 100,280 15. 145,000

16. 202,600 17. 485,672 18. 2,000,900


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

1

1


Write each number in standard form.

1. thirty-five 2. five hundred sixty

3. fifty-eight 4. seven thousand

5. two thousand, six hundred 6. four thousand, two hundred twenty-four

7. seven thousand, twelve 8. sixteen thousand, five hundred

9. eighteen thousand, one hundred twenty 10. fifty thousand, seventy

11. four hundred twenty-seven thousand 12. six hundred fifty-one thousand, threehundred sixty-five

NAME ________________________________________ DATE ______________ PERIOD _____


1


Replace each ● with �, �, or � to make a true sentence.

1. 346 ● 357 2. 87 ● 121

3. 129,375 ● 129,375 4. 7,945 ● 7,845

5. 43,342 ● 43,671 6. 4,986 ● 4,986

Write the expression using the symbols �, �, or �.

7. 9 is greater than 5 8. 38 is less than 83

9. 484 is greater than 98 10. 12 is less than 500

11. 832 is equal to 832 12. 365 is less than 375

Math Skills MaintenanceComparing and Ordering Whole Numbers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

2

2


Order the given numbers from least to greatest.

1. 48 52 46 67 2. 102 120 112 201

3. 987 978 990 897 4. 2,063 2,060 2,058

5. 790 789 690 809 6. 345 421 342 456

7. 404 440 104 140 8. 3,456 3,465 5,563 4,346

9. 23,421 23,412 23,214 10. 7,359 3,595 5,397 3,959

NAME ________________________________________ DATE ______________ PERIOD _____


2


Order the given numbers from least to greatest.

1. 485 152 46 6,571 2. 1,102 120 1,120 21

3. 87 982 1,990 970 4. 623 12,623 2,058

5. 790 1,789 692 89 6. 13,345 21,345 345 1,345

7. 204 1,440 1,104 14 8. 3,456 3,465 563 653

9. 23,421 3,412 23,214 421 10. 327 3,272 97 3,727


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

2

2


Round each number to the nearest ten.

1. 62 2. 12

3. 89 4. 46

5. 253 6. 212

7. 661 8. 345

9. 5,213 10. 5,647

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceRounding Whole Numbers

3


Round each number to the nearest hundred.

1. 612 2. 452

3. 156 4. 563

5. 9,834 6. 2,389

7. 8,875 8. 3,264

9. 12,582 10. 54,743


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

3

3


Round each number to the nearest thousand.

1. 1,182 2. 5,412

3. 8,789 4. 6,546

5. 45,253 6. 98,212

7. 35,661 8. 23,345

9. 245,213 10. 715,647

NAME ________________________________________ DATE ______________ PERIOD _____


3


Round each number to the underlined place-value position.

1. 5,682 2. 412

3. 923 4. 1,605

5. 65,472 6. 5,467

7. 27,432 8. 671,345

9. 2,513 10. 4,267


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

3

3


Find each sum.

1. 12 � 3 � 2. 78 � 56 � 3. 96 � 34 �

4. 75 5. 48 � 14 � 6. 52� 8 � 26

7. 9 � 84 � 8. 98 9. 62 � 79 �

� 95

10. 16 � 54 � 11. 39 12. 9 � 89 �

� 21

13. 6 14. 54 � 57 � 15. 86� 51 � 19

16. 99 � 7 � 17. 61 � 12 � 18. 73� 47

19. 28 20. 24 � 7 � 21. 39� 51 � 81

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceAdding Whole Numbers

4


Find each sum.

1. 579 � 56 � 2. 8,215 3. 2,860 � 45 �

� 574

4. 5,456 5. 189 � 4,751 � 6. 257� 857 � 26

7. 9 � 8,796 � 8. 237 9. 64 � 9,985 �

� 561

10. 19 � 5,642 � 11. 39 12. 15 � 219 �

� 7,121

13. 260 14. 891 � 1,711 � 15. 5,114 � 4,513 �

� 2,051

16. 57 � 3,280 � 17. 9,154 � 6,142 � 18. 7,209� 3,281

19. 5,445 20. 6,992 � 858 � 21. 995 � 995 �

� 217


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

4

4


Find each sum.

1. 9,179 � 16 � 2. 8,457 3. 8,560 � 5,134 �

� 1,145

4. 21,657 5. 11,189 � 4,572 � 6. 87� 5,417 � 4,216

7. 4 � 91,656 � 8. 1,237 9. 6,014 � 56 �

� 5,061

10. 21,119 � 1,582 � 11. 45,569 12. 215 � 4,219 �

� 17,101

13. 729 14. 52,641 � 1,702 � 15. 85,452 � 4,153 �

� 6,849

16. 99 � 42,816 � 17. 9,154 � 4,285 � 18. 4,914� 8,798

19. 7,475 20. 9,412 � 12,567 � 21. 52 � 54,187 �

� 497

NAME ________________________________________ DATE ______________ PERIOD _____


4


Find each difference.

1. 19 � 6 � 2. 89 � 8 � 3. 45� 12

4. 57 5. 71 � 65 � 6. 17 � 15 �

� 46

7. 61 � 23 � 8. 79 9. 81� 34 � 19

10. 92 � 72 � 11. 83 12. 54 � 21 �

� 28

13. 80 � 12 � 14. 26 15. 68 � 40 �

� 7

16. 18 17. 59 � 32 � 18. 94� 14 � 76

19. 31 � 29 � 20. 77 � 48 � 21. 21 � 16 �

Math Skills MaintenanceSubtracting Whole Numbers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

5

5



1. 729 � 16 � 2. 569 � 78 � 3. 425� 128

4. 5,457 5. 451 � 365 � 6. 7,817 � 6,412 �

� 4,652

7. 8,901 � 8,899 � 8. 1,729 9. 2,481� 134 � 1,119

10. 1,092 � 278 � 11. 2,183 12. 6,584 � 6,295 �

� 428

13. 934 � 916 � 14. 7,256 15. 6,268 � 4,110 �

� 78

16. 4,897 17. 9,599 � 32 � 18. 3,241� 2,988 � 176

19. 5,310 � 329 � 20. 8,787 � 98 � 21. 2,411 � 526 �

NAME ________________________________________ DATE ______________ PERIOD _____


5



1. 2,064 � 98 � 2. 6,122 � 478 � 3. 921� 427

4. 25,741 5. 1,788 � 635 � 6. 8,144 � 6,496 �

� 24,859

7. 14,106 � 12,890 � 8. 11,792 9. 1,111� 694 � 999

10. 902 � 784 � 11. 22,103 12. 16,994 � 16,548 �

� 4,815

13. 2,511 � 609 � 14. 8,526 15. 5,871 � 4,909 �

� 87

16. 84,007 17. 19,544 � 649 � 18. 2,301� 82,988 � 458

19. 75,130 � 3,529 � 20. 4,265 � 696 � 21. 32,141 � 927 �


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

5

5


Find each sum or difference.

1. 56 � 8 � 2. 21 3. 32 � 41 �

� 79

4. 91 5. 47 � 16 � 6. 65� 17 � 19

7. 89 � 29 � 8. 37 9. 38 � 9 �

� 6

10. 60 11. 44 � 21 � 12. 8� 58 � 69

13. 11 � 53 � 14. 82 15. 7 � 99 �

� 79

16. 38 � 24 � 17. 6 18. 51� 52 � 33

19. 94 20. 18 � 67 � 21. 75� 48 � 26

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceAdding and Subtracting Whole Numbers

6



1. 978 � 51 � 2. 421 3. 231 � 83 �

� 49

4. 8,729 5. 5,110 � 56 � 6. 5,996� 1,845 � 2,019

7. 1,020 � 299 � 8. 3,371 9. 7,811 � 2,498 �

� 106

10. 6,010 11. 4,530 � 815 � 12. 48� 5,899 � 1,691

13. 765 � 1,053 � 14. 5,781 15. 7,812 � 9,898 �

� 4,979

16. 6,501 � 204 � 17. 860 18. 4,151� 4,913 � 3,939

19. 7,434 20. 15 � 9,859 � 21. 2,715� 5,808 � 2,696


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

6

6



1. 7,811 � 579 � 2. 14,251 3. 21,560 � 4,573 �

� 1,249

4. 47,247 5. 8,147 � 294 � 6. 35,640� 46,839 � 5,509

7. 60,245 � 29,876 � 8. 13,729 9. 4,198 � 4,089 �

� 210

10. 77,145 11. 230 � 74 � 12. 702� 5,149 � 17,149

13. 40,675 � 8,560 � 14. 65,872 15. 38,247 � 58,205 �

� 57,979

16. 26,100 � 523 � 17. 657 18. 72,284� 87,184 � 4,305

19. 32,801 20. 211 � 69,200 � 21. 95,410� 19,982 � 36,282

NAME ________________________________________ DATE ______________ PERIOD _____


6


Find each product.

1. 34 2. 156 � 9 � 3. 27� 8 � 3

4. 6 � 87 � 5. 451 6. 7� 5 � 203

7. 620 8. 331 � 4 � 9. 72 � 3 �

� 2

10. 924 � 6 � 11. 86 12. 479 � 7 �

� 5

13. 308 � 2 � 14. 530 15. 711� 3 � 9

16. 42 17. 6 � 852 � 18. 242� 4 � 8

19. 5 � 897 � 20. 921 21. 84 � 3 �

� 7

Math Skills MaintenanceMultiplying Whole Numbers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

7

7


Find each product.

1. 57 2. 23 � 49 � 3. 165� 18 � 30

4. 26 � 48 � 5. 984 6. 11� 52 � 21

7. 654 8. 47 � 35 � 9. 401 � 56 �

� 12

10. 94 � 61 � 11. 142 12. 741 � 70 �

� 35

13. 26 � 88 � 14. 527 15. 16� 23 � 94

16. 371 17. 63 � 48 � 18. 449� 18 � 57

NAME ________________________________________ DATE ______________ PERIOD _____


7


Find each product.

1. 14 2. 32 � 87 � 3. 625� 5 � 40

4. 2 � 847 � 5. 94 6. 29� 7 � 451

7. 54 8. 74 � 502 � 9. 41 � 6 �

� 12

10. 23 � 9 � 11. 687 12. 17 � 68 �

� 32

13. 194 � 55 � 14. 32 15. 873� 91 � 25

16. 5,106 17. 6 � 1,280 � 18. 4,149� 14 � 57


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

7

7


Find each quotient.

1. 48 � 4 � 2. 3. 784 � 3 �

4. 5. 114 � 3 � 6.

7. 851 � 8 � 8. 9. 5,976 � 9 �

10. 9,207 � 3 � 11. 12. 3,065 � 5 �

13. 14. 2,142 � 6 � 15.

16. 3,612 � 3 � 17. 18. 5,281 � 9 �7�8,643

4�7608�539

6�876

7�492

8�7925�725

6�82

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceDividing Whole Numbers

8


Find each quotient.

1. 70 � 10 � 2. 3. 370 � 50 �

4. 5. 84 � 21 � 6.

7. 854 � 61 � 8. 9. 1,980 � 22 �

10. 5,824 � 56 � 11. 12. 2,250 � 18 �

13. 14. 6,345 � 15 � 15.

16. 908 � 36 � 17. 18. 1,782 � 48 �93�5,239

12�15023�14,260

46�2,340

39�1,530

42�21031�93

30�900


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

8

8


Find each quotient.

1. 100 � 20 � 2. 3. 884 � 17 �

4. 5. 571 � 6 � 6.

7. 9,512 � 24 � 8. 9. 7,026 � 8 �

10. 6,514 � 7 � 11. 12. 8,333 � 37 �

13. 14. 34,117 � 13 � 15.

16. 19,853 � 3 � 17. 18. 43,164 � 41 �45�5,798

27�3,5238�24,956

18�2,183

15�1,225

16�3,0279�4,119

5�295

NAME ________________________________________ DATE ______________ PERIOD _____


8


Find each product or quotient.

1. 5,796 � 6 � 2. 7,612 � 4 � 3. 560� 5

4. 5. 257 � 2 � 6.

7. 3,057 8. 8,516 � 8 � 9. 910 � 4 �

� 9

10. 11. 775 12. 5,431 � 2 �

� 8

13. 2,529 � 3 � 14. 15. 117� 7

16. 335 � 4 � 17. 8,742 � 6 � 18. 9�1,983

5�651

7�4,912

7�6953�112

Math Skills MaintenanceMultiplying and Dividing Whole Numbers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

9

9



1. 9,521 � 12 � 2. 162 � 8 � 3. 2,506� 74

4. 5. 527 � 6 � 6.

7. 3,877 8. 8,206 � 21 � 9. 1,990 � 7 �

� 9

10. 11. 5,910 12. 6,381 � 52 �

� 38

13. 4,982 � 3 � 14. 15. 7,812� 47

16. 1,891 � 23 � 17. 338 � 9 � 18. 41�8,233

4�2,557

4�9,526

25�1,50017�4,121

NAME ________________________________________ DATE ______________ PERIOD _____


9



1. 1,452 � 28 � 2. 843 � 22 � 3. 3,511� 83

4. 5. 5,347 � 67 � 6.

7. 2,461 8. 6,801 � 37 � 9. 9,509 � 51 �

� 94

10. 11. 3,124 12. 4,731 � 91 �

� 27

13. 5,498 � 89 � 14. 15. 7,530� 36

16. 11,239 � 45 � 17. 26,820 � 23 � 18. 55�64,585

17�9,511

62�8,619

18�7,56235�4,657


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

9

9


Find each sum, difference, product, or quotient.

1. 8,452 � 23 � 2. 562 3. 974 � 5 �

� 95

4. 765 � 9 � 5. 623 6. 1,293 � 78 �

� 57

7. 4,827 8. 9. 31,185� 8 � 99

10. 87,349 11. 5,403 � 6 � 12. 2,125 � 4 �

� 84

13. 95,287 14. 3,020 � 36 � 15. 159 � 3 �

� 54

16. 17. 7,801 18. 6,112� 79 � 58

5�769

7�6,244

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceOperations with Whole Numbers

10



1. 452 � 3 � 2. 17,144 � 8 � 3. 9,474 � 78 �

4. 12,525 � 37 � 5. 7,634 6.� 7

7. 51,802 8. 68,232 � 54 � 9. 31,570� 98 � 8

10. 86,529 � 9 � 11. 957 � 54 � 12. 14,104� 27

13. 5,827 14. 15. 7,543 � 35 �

� 4

16. 603 � 24 � 17. 1,846 18. 3,482 � 8 �

� 3

6�57,078

2�1,257


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

10

10



1. 4,852 � 2,553 � 2. 5,762 3. 794 � 54 �

� 4,595

4. 6,587 � 23 � 5. 64,423 6. 1,293 � 1,189 �

� 5,557

7. 2,927 8. 9. 4,589� 81 � 8,578

10. 74,439 11. 569 � 87 � 12. 3,247 � 27 �

� 5,640

13. 68,410 14. 4,515 � 3,989 � 15. 9,854 � 46 �

� 1,054

16. 17. 74,521 18. 38,112� 2,179 � 9,764

11�12,560

45�52,645

NAME ________________________________________ DATE ______________ PERIOD _____


10



1. 4,102 � 34 � 2. 12,567 � 7 � 3. 92,802 � 7,848 �

4. 18,219 � 8,346 � 5. 7,681 6.� 74

7. 54,244 8. 65,270 � 5,187 � 9. 32,804� 9,108 � 87

10. 80,542 � 42 � 11. 9,512 � 5,907 � 12. 17,003� 6,546

13. 5,238 14. 15. 71,591 � 5,320 �

� 54

16. 61,842 � 2,584 � 17. 1,249 18. 35,874 � 15 �

� 36

27�51,521

12�1,651


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

10

10



1. 5,842 � 5,243 � 2. 6,752 3. 974 � 45 �

� 495

4. 5,687 � 3 � 5. 46,243 6. 2,139 � 1,819 �

� 5,657

7. 9,227 8. 9. 8,795� 18 � 5,472

10. 47,934 11. 965 � 7 � 12. 3,225 �25 �

� 8,049

13. 61,521 14. 7,113 � 4,754 � 15. 842 � 64 �

� 875

16. 17. 21,875 18. 7,513� 459 � 745

8�2,041

15�2,565

NAME ________________________________________ DATE ______________ PERIOD _____


10



1. 5,237 � 4 � 2. 21,745 � 23 � 3. 29,028 � 8,401 �

4. 81,912 � 846 � 5. 1,687 6.� 42

7. 4,613 8. 5,710 � 4,827 � 9. 6,515� 59,108 � 78

10. 53,691 � 65 � 11. 4,521 � 74,254 � 12. 15,119� 249

13. 3,861 14. 15. 5,973 � 9,320 �

� 37

16. 7,982 � 5,865 � 17. 8,231 18. 75,654 � 16 �

� 82

84�98,652

9�5,445


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

10

10


Use rounding to estimate each sum.

1. 48 � 35 � 2. 89 � 65 � 3. 12� 56

4. 78 � 41 � 5. 96 6. 29 � 32 �

� 32

7. 68 8. 35 9. 14 � 73 �

� 55 � 76

10. 40 � 49 � 11. 61 12. 85 � 17 �

� 96

13. 74 14. 28 � 34 � 15. 55� 57 � 13

16. 88 � 62 � 17. 47 18. 71 � 24 �

� 93

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceEstimating Sums of Whole Numbers

11



1. 148 � 565 � 2. 879 � 495 � 3. 7,852� 5,832

4. 8,108 � 4,469 � 5. 7,956 6. 9,729 � 3,354 �

� 1,632

7. 215 8. 265 9. 689 � 321 �

� 110 � 456

10. 159 � 730 � 11. 8,329 12. 198 � 890 �

� 9,964

13. 2,225 14. 3,674 � 4,791 � 15. 6,821� 5,807 � 3,348

16. 119 � 652 � 17. 7,851 18. 449 � 230 �

� 9,203


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

11

11



1. 47 � 4,232 � 2. 472 � 59 � 3. 25� 9,220

4. 3,571 � 649 � 5. 956 6. 129 � 4,934 �

� 3,368

7. 19 8. 56 9. 869 � 7,731 �

� 218 � 546

10. 95 � 307 � 11. 5,236 12. 281 � 53 �

� 643

13. 1,535 14. 2,734 � 611 � 15. 5,271� 47 � 88

16. 231 � 56 � 17. 4,135 18. 79 � 340 �

� 703

NAME ________________________________________ DATE ______________ PERIOD _____


11



1. 714 � 2,463 � 2. 247 � 897 � 3. 154� 8,043

4. 5,731 � 8,412 � 5. 1,596 6. 219 � 3,434 �

� 2,638

7. 78 8. 46 9. 437 � 371 �

� 283 � 6,981

10. 2,191 � 732 � 11. 4,622 12. 21 � 47 �

� 836

13. 2,877 14. 34 � 61 � 15. 101� 5,662 � 432

16. 341 � 8,413 � 17. 6,580 18. 32 � 512 �

� 324


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

11

11


Use rounding to estimate each difference.

1. 45 � 32 � 2. 78 3. 56 � 17 �

� 23

4. 66 � 62 � 5. 81 � 57 � 6. 95� 28

7. 34 � 16 � 8. 42 9. 77� 27 � 37

10. 55 11. 92 � 12 � 12. 84 � 53 �

� 11

13. 23 14. 81 � 39 � 15. 71� 21 � 46

16. 57 � 36 � 17. 66 18. 94 � 55 �

� 19

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceEstimating Differences of Whole Numbers

12



1. 5,587 � 2,630 � 2. 7,851 3. 6,209 � 1,513 �

� 3,272

4. 6,126 � 2,902 � 5. 8,811 � 5,218 � 6. 9,415� 2,865

7. 3,751 � 1,814 � 8. 9,571 9. 7,462� 2,944 � 3,318

10. 9,873 11. 6,547 � 4,140 � 12. 8,797 � 1,122 �

� 1,970

13. 2,743 14. 8,870 � 3,266 � 15. 7,001� 2,501 � 4,621

16. 5,200 � 3,895 � 17. 6,651 18. 9,577 � 5,213 �

� 1,911


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

12

12



1. 857 � 38 � 2. 5,781 3. 169 � 15 �

� 722

4. 6,216 � 924 � 5. 781 � 28 � 6. 5,122� 65

7. 8,425 � 414 � 8. 2,454 9. 642� 944 � 18

10. 1,378 11. 571 � 47 � 12. 8,002 � 52 �

� 951

13. 274 14. 870 � 66 � 15. 5,471� 25 � 326

16. 200 � 89 � 17. 6,802 18. 957 � 23 �

� 941

NAME ________________________________________ DATE ______________ PERIOD _____


12



1. 745 � 630 � 2. 81 3. 2,690 � 534 �

� 32

4. 6,710 � 3,298 � 5. 174 � 58 � 6. 4,015� 45

7. 571 � 124 � 8. 7,451 9. 270� 7,004 � 38

10. 8,473 11. 2,447 � 178 � 12. 397 � 22 �

� 1,790

13. 274 14. 870 � 326 � 15. 7,121� 151 � 71

16. 210 � 89 � 17. 1,932 18. 741 � 513 �

� 1,500


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

12

12


Use rounding to estimate each product.

1. 75 � 4 � 2. 598 3. 924 � 3 �

� 9

4. 1,448 5. 356 � 2 � 6. 28� 5 � 7

7. 480 � 8 � 8. 6,702 9. 821 � 4 �

� 6

10. 53 11. 726 � 9 � 12. 9,645� 3 � 5

13. 2,478 � 7 � 14. 187 15. 37 � 8 �

� 2

16. 438 17. 627 � 6 � 18. 8,975� 4 � 3

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceEstimating Products of Whole Numbers

13



1. 79 � 41 � 2. 5,247 3. 937 � 35 �

� 92

4. 19 5. 3,578 � 27 � 6. 268� 55 � 79

7. 4,581 � 86 � 8. 6,684 9. 865 � 14 �

� 62

10. 580 11. 7,270 � 92 � 12. 932� 33 � 56

13. 2,342 � 73 � 14. 1,340 15. 365 � 84 �

� 29

16. 48 17. 6,087 � 61 � 18. 835� 19 � 31


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

13

13



1. 7,305 � 41 � 2. 574 3. 973 � 15 �

� 2

4. 1,417 5. 37 � 72 � 6. 223� 75 � 9

7. 481 � 6 � 8. 8,424 9. 65 � 4 �

� 26

10. 5,080 11. 752 � 2 � 12. 9,591� 37 � 63

13. 268 � 21 � 14. 3,687 15. 67 � 32 �

� 58

16. 4,826 17. 857 � 8 � 18. 354� 92 � 16

NAME ________________________________________ DATE ______________ PERIOD _____


13


Use rounding to estimate each quotient.

1. 973 � 5 � 2. 3. 854 � 2 �

4. 5. 565 � 6 � 6.

7. 859 � 9 � 8. 9. 3,358 � 5 �

10. 11. 642 � 4 � 12.

13. 6,587 � 7 � 14. 9,135 � 8 � 15.

16. 257 � 2 � 17. 18. 4,914 � 7 �3�6,125

4�9,117

6�2973�576

7�69

4�3,8123�5,576

8�374

Math Skills MaintenanceEstimating Quotients of Whole Numbers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

14

14



1. 7,983 � 45 � 2. 3. 584 � 22 �

4. 5. 4,924 � 51 � 6.

7. 2,116 � 13 � 8. 9. 2,782 � 64 �

10. 11. 8,112 � 43 � 12.

13. 432 � 37 � 14. 646 � 52 � 15.

16. 187 � 13 � 17. 18. 3,501 � 72 �91�2,705

84�7,607

69�1,39524�5,681

79�1,967

84�3,81634�642

56�9,431

NAME ________________________________________ DATE ______________ PERIOD _____


14



1. 783 � 4 � 2. 3. 5,547 � 16 �

4. 5. 947 � 31 � 6.

7. 2,654 � 27 � 8. 9. 4,204 � 6 �

10. 11. 389 � 3 � 12.

13. 3,512 � 7 � 14. 840 � 68 � 15.

16. 681 � 4 � 17. 18. 921 � 87 �52�7,673

24�5,335

17�26789�1,807

5�368

78�1,8462�621

33�8,541


NAME ________________________________________ DATE ______________ PERIOD _____

Skill

14

14


Use rounding to estimate each sum, difference, product, or quotient.

1. 4,782 � 632 � 2. 578 3. 351 � 78 �

� 65

4. 5. 961 6. 1,845 � 763 �

� 325

7. 8,602 8. 4,192 � 5 � 9. 2,892 � 96 �

� 28

10. 3,891 11. 637 � 7 � 12.� 1,436

13. 564 14. 7,206 � 7,001 � 15. 4,210� 2,579 � 34

16. 387 � 8 � 17. 1,568 � 85 � 18. 678� 89

19. 2,874 � 9 � 20. 21. 98 � 3,978 �23�5,279

64�8,956

23�5,789

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceEstimating with Whole Numbers

15


Use rounding to estimate each sum, difference, product, or quotient.

1. 728 � 689 � 2. 851 3. 1,896 � 8,732 �

� 47

4. 5. 2,762 6. 485 � 3 �

� 2,146

7. 5,973 8. 8,887 � 94 � 9. 7,219 � 1,579 �

� 2,858

10. 3,845 11. 4,862 � 989 � 12.� 61

13. 4,564 14. 3,506 � 16 � 15. 740� 279 � 87

16. 574 � 3 � 17. 6,350 � 76 � 18. 934� 26

19. 821 � 1,289 � 20. 21. 7,938 � 543 �78�481

43�6,497

42�7,257

Math Skills MaintenanceEstimating with Whole Numbers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

15

15


Find the value of each expression.

1. 6 � 5 � 1 2. 9 � 3 � 2 3. 7 � 5 � 2

4. 6 � 2 � 1 5. 8 � 4 � 2 6. 10 � 6 � 3

7. 10 � 2 � 1 8. 9 � 3 � 2 9. 15 � 3 � 6

10. 19 � 5 � 6 11. 12 � 9 � 3 12. 20 � 3 � 4

13. 17 � 10 � 5 14. 25 � 12 � 4 15. 28 � 7 � 3

16. 32 � 8 � 1 17. 21 � 8 � 3 18. 45 � 9 � 8

19. 14 � 42 � 3 20. 63 � 7 � 9 21. 9 � 81 � 9

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceUsing Order of Operations

16



1. 10 � 9 � 3 2. 4 � 4 � 4 3. 15 � 1 � 9

4. 12 � 3 � 3 5. 13 � 7 � 8 6. 49 � 7 � 3

7. 15 � 2 � 7 8. 26 � 3 � 4 9. 55 � 11 � 5

10. 12 � 3 � 5 � 4 11. 50 � 2 � 9 � 3 12. 16 � 3 � 2

13. 75 � 3 � 5 14. 72 � 9 � 2 15. 5 � 7 � 12 � 2

16. 36 � 2 � 5 � 2 17. 25 � 5 � 20 � 5 18. 21 � 3 � 42 � 6

19. 56 � 7 � 6 � 2 20. 20 � 2 � 3 � 7 21. 60 � 2 � 6 � 1

Math Skills MaintenanceUsing Order of Operations

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

16

16



1. 5 � (7 � 2) 2. 10 � (3 � 2) 3. 7 � (5 � 6)

4. 15 � (8 � 2) 5. (14 � 3) � 2 6. (8 � 1) � 3

7. (2 � 3) � 6 8. (13 � 6) � 4 9. 6 � 9 � (3 � 1)

10. (25 � 5) � 4 11. (32 � 4) � 6 12. (2 � 3) � (4 � 1)

13. (12 � 8) � (9 � 6) 14. (7 � 3) � (2 � 1) 15. (40 � 5) � (7 � 2)

16. (40 � 5) � (5 � 4) 17. (8 � 3) � 2 � 3 18. 81 � (11 � 2) � 5

19. 54 � 9 � 3 � (3 � 5) 20. 88 � (3 � 5) � 2 � 10 21. 40 � (8 � 3) � 5 � 15

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceUsing Order of Operations with Parentheses

17



1. 12 � (20 � 3) 2. 25 � (10 � 15) 3. 18 � (4 � 2)

4. 36 � (9 � 3) 5. (12 � 13) � 20 6. (2 � 1) � 31

7. (5 � 10) � 2 8. (22 � 2) � 4 9. 10 � 5 � (2 � 3)

10. (23 � 2) � 3 11. (41 � 7) � 3 12. (1 � 1) � (6 � 1)

13. (40 � 10) � (6 � 4) 14. (9 � 6) � (4 � 1) 15. (72 � 8) � (10 � 2)

16. (99 � 1) � (16 � 4) 17. (5 � 6) � 7 � 3 18. 60 � (15 � 3) � 15

19. 28 � 7 � 5 � (4 � 6) 20. 39 � (3 � 10) � 5 � 17 21. 70 � (15 � 5) � 2 � 31

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

5

Math Skills MaintenanceUsing Order of Operations with Parentheses

Skill

17

17



1. 62 � 15 � 3 2. 20 � (32 � 1) � 2 3. 33 � (3 � 1) � 3

4. 43 � 20 � 2 5. 15 � 52 � 5 6. 45 � 82 � 2

7. 15 � 3 � 22 8. 7 � (32 � 1) � 5 9. 18 � 3 � (72 � 1)

10. 3 � 23 � 2 � 32 11. 3 � (23 � 2) � 32 12. (23 � 32) � (32 � 23)

13. (62 � 2) � (43 � 8) 14. 5 � 22 � 22 15. 7 � 32 � 45 � 32

16. (23 � 32) � 6 � 2 17. (23 � 32) � (6 � 2) 18. (3 � 23) � (2 � 23)

19. (16 � 22 � 3) � 7 20. (33 � 2 � 6) � (5 � 2) 21. (33 � 2 � 6) � 5 � 2

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceUsing Order of Operations with Powers

18



1. 32 � 20 � 4 2. 17 � (22 � 5) � 3 3. 72 � (4 � 2) � 4

4. 52 � 18 � 3 5. 22 � 62 � 2 6. 60 � 42 � 4

7. 32 � 2 � 32 8. 11 � (22 � 1) � 10 9. 21 � 7 � (33 � 7)

10. 5 � 32 � 3 � 52 11. 5 � (32 � 3) � 52 12. (33 � 22) � (22 � 33)

13. (33 � 3) � (23 � 8) 14. 11 � 23 � 23 15. 6 � 42 � 81 � 33

16. (43 � 22) � 4 � 15 17. (52 � 22) � (15 � 5) 18. (3 � 33) � (22 � 23)

19. (25 � 52 � 22) � 5 20. (42 � 3 � 12) � (3 � 4) 21. (23 � 4 � 2) � 3 � 10

Math Skills MaintenanceUsing Order of Operations with Powers

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

18

18


List all factors for each pair of numbers. Then identify all common factors.

1. 12; 22 2. 18; 33 3. 15; 80

4. 25; 35 5. 24; 88 6. 27; 72

7. 55; 125 8. 16; 48 9. 68; 187

10. 40; 155 11. 86; 180 12. 77; 132

13. 110; 225 14. 112; 240 15. 225; 475

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceFinding Common Factors

19


List all factors for each set of numbers. Then identify all common factors.

1. 6; 8; 10 2. 7; 14; 28

3. 10; 15; 20 4. 9; 12; 15

5. 12; 20; 30 6. 15; 20; 35

7. 9; 18; 24 8. 22; 33; 44

9. 26; 32; 40 10. 32; 45; 60

Math Skills MaintenanceFinding Common Factors

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

19

19


Find the greatest common factor (GCF) of each pair of numbers.

1. 12; 30 2. 35; 45 3. 32; 60

4. 15; 18 5. 22; 55 6. 20; 65

7. 35; 110 8. 16; 48 9. 64; 152

10. 45; 270 11. 68; 238 12. 125; 225

13. 120; 600 14. 144; 360 15. 1,200; 1,575

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceGreatest Common Factor

20


Find the greatest common factor (GCF) of each set of numbers.

1. 15; 18; 24 2. 9; 27; 54

3. 18; 54; 90 4. 25; 75; 90

5. 21; 39; 96 6. 55; 110; 155

7. 52; 91; 117 8. 121; 143; 165

9. 135; 189; 297 10. 150; 175; 350

Math Skills MaintenanceGreatest Common Factor

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

20

20


Find each sum.

1. 6.5 2. 9.25 3. 2.87� 8.2 � 6.37 � 5.64

4. 0.75 5. 5.64 � 2.81 � 7.03 � 6. 5.6 � 7.4 �

� 0.66

7. 3.8 8. 9.6 9. 8.541� 1.2 � 3.7 � 1.968

10. 7.85 � 2.73 � 11. 6.888 12. 0.75 � 0.57 �

� 2.123

Solve.

13. At the toy store, Aislyn selected a doll 14. A dresser measures 33.25 inches wide for $7.85 and her sister Bryn picked a and a desk measures 47.5 inches wide.puzzle for $5.99. What was the total What will be the total width of the two bill for the two toys? pieces of furniture if they are placed

together on one wall of a room?

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceAdding Decimals

21


Find each sum.

1. 27.19 2. 17.88 3. 5.009� 75.98 � 3.20 � 0.756

4. 0.65 � 0.7 � 5. $ 255.89 6. 54.79 � 8.65 �

� 27.75

7. 65.77 � 29.97 � 8. 4.2 9. 0.5 � 0.48 � 0.691 �

1.86� 0.75

10. 7.95 � 4.008 � 11. 3.749 12. 13.19� 9.184 47.21

� 5.66

13. 87.507 � 4.013 � 0.5 � 14. 9.9 15. 45.6� 8.8 � 54.4

16. 32.789 17. $5.65 � $8.93 � 18. 75.646.753 � 4.80

� 0.879

Math Skills MaintenanceAdding Decimals

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

21

21



1. 8.75 2. 6.54 3. 53.44� 5.43 � 2.75 � 41.65

4. 644.32 5. 8.4 6. 7.9577� 599.01 � 7.3 � 4.5589

7. 851.9 � 433.6 � 8. $95.98 � $64.55 � 9. 18.75� 12.46

10. 546.66 11. 763.4 12. 824.18� 299.99 � 759.1 � 724.55

13. 674.90 14. 1,011.12 15. 74,887.25� 517.95 � 1,000.99 � 38,252.76

16. 78.63 17. 767.88 � 688.99 � 18. 987.55 � 903.69 �

� 10.09

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceSubtracting Decimals

22



1. 7.50 2. 34.97 � 8.01� 3. 205.75� 6.24 � 6.79

4. 7.6 � 3.98 � 5. $74.35 � $48.75 � 6. 67� 11.68

7. 919.18 8. 35.22 9. $75 � $0.23 �

� 55.75 � 5.603

10. 0.7 11. 9.58 � 0.2076 � 12. 256 � 87.612 �

� 0.589

13. 0.953 14. 6.54 15. 135.7� 0.678 � 0.89 � 67.98

Solve.

16. A wallpaper border is 17. The regular price of a 18. A running trail is 25 centimeters wide. If particular snowboard is 17.45 kilometers long. If Donna trims 4.5 $125.94. During a sale, Liz runs 12.5 kilometers centimeters from the the discount for this item before lunch, how many width, what will the is $10.50. What is the kilometers will she need new width be? sale price of the to run after lunch to finish

snowboard? the trail?

Math Skills MaintenanceSubtracting Decimals

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

22

22



1. 4.3 2. 5,698.2 3. 65.47 � 0.2 �

� 3.569 � 45.5

4. 85,480.13 5. 526.78 � 8.3 � 6. 6.8 � 0.542 �

� 42,125.365

7. 0.8 8. 2.75 9. 475.63 � 51.60 �

� 0.679 � 14.87

10. 0.243 � 5.6 � 65.49 � 11. 875.92 12. 5,627.14� 43.75 � 0.56

13. 674.8842 � 542.2550 � 14. 0.097 15. 5.467� 0.059 � 0.987

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceAdding and Subtracting Decimals

23



1. 698.25 2. 4.5 � 9.1 � 6.4 � 3. 259.15 � 187.65 �

� 483.75

4. 54.67 5. 7,890.25 6. 658.94 � 435.98 �

� 35.48 � 5,897.23

7. 6,212.325 8. 58.18 9. 6.97� 8,132.635 � 42.56 5.45

� 2.85

10. 463.55 � 375.79 � 11. 524.86 12. 85.67 � 72.75 �

� 521.39

Solve.

13. Julie picked strawberries for four 14. Eric wants to buy an aquarium for days last week. The weights she some fish. The Tropics model holds picked in pounds per day were 98.75 gallons of water and the Oceanic 25.6, 31.8, 19.7, and 27.8. How many model holds 123.25 gallons. How many total pounds did she pick? more gallons of water does the Oceanic

model hold than the Tropics model?

15. Gayla wants to buy a mountain bike 16. Odin earned the following amounts for $579. She has saved $365.75. each week for one month from his How much more money does she part-time job: $112, $107.75, $89, and need to buy the bike? $99.50. What was the total of his earnings

for the month?

Math Skills MaintenanceAdding and Subtracting Decimals

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

23

23


Replace each � with a number so that the fractions are equivalent.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15.

16. 17. 18. 89 �

88�

45 �

�

1007

15 �28�

311 �

�

771120 �

33�

215 �

�

45

316 �

9�

29 �

�

817

10 �21�

512 �

�

2467 �

36�

18 �

�

32

25 �

10�

110 �

�

4037 �

15�

78 �

�

2434 �

12�

12 �

�

10

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceEquivalent Fractions

24


Find any fraction equivalent to the given fraction.

1. 2. 3.

4. 5. 6.

7. 8. 9.

Find three fractions equivalent to each given fraction.

10. 11.

12. 13. 1580

1872

310

23

321

818

3550

648

2050

1530

1236

1325

34

Math Skills MaintenanceEquivalent Fractions

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

24

24


Write each fraction in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15.

16. 17. 18. 2474

1260

6377

2575

2472

15

4296

1563

864

333

7690

2754

418

518

1812

615

911

287

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceSimplifying Fractions

25


Write each fraction in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

Solve. Write each answer in simplest form.

10. Miranda bought 9 yards of fabric 11. Scott worked a 3 hour shift at Paul’s for a project. She used 3 yards on Pizzeria. During his shift, he spent the first day. What fraction of the 45 minutes making pizza crusts. What fabric did she use the first day? fraction of his shift did he spend making

crusts?

12. Darlene baked 16 dozen cookies 13. The Tree Factory ordered 95 trees.for her bakery. Of those cookies, Of those, 25 were willow trees. What 6 dozen were oatmeal cookies. fraction of the trees were willow trees?What fraction of the cookies were oatmeal?

921

59

1892

13169

832

20350

1860

2010

636

Math Skills MaintenanceSimplifying Fractions

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

25

25


Write each improper fraction as a mixed number.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15. 2515

8266

125

457

334

194

265

83

2119

178

4412

6515

356

4224

7520

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceMixed Numbers and Improper Fractions

26


Write each mixed number as an improper fraction.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15. 989814

15619

106793

5537

1784 3

10616

7 911511

12358

21814

5623

Math Skills MaintenanceMixed Numbers and Improper Fractions

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

26

26


Add. Write each sum in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15.

� 238

14 �

14 �11

81017 �

617 �

� 4 310

6 110

720 �

320 �

116 �

316 �

�514�

12

815 �

215 �

314

12

19 �

59 �

213 �

413 �

38 �

58 �

111 �

211 �

27 �

47 �

15 �

25 �

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceAdding Fractions with Like Denominators

27


Add. Write each sum in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.


13. If of a set of marbles is red and 14. Lily needs feet of wallpaper border

of the set is blue, what fraction for one room and feet for another

of the set of marbles is red or blue? room. How much wallpaper border does

she need for the two rooms?

2018

1538

35

15

� 856

616

527 �

2027 �

310 �

710 �

1325 �

1225 �

518 �

118 �

221 �

1521 �

� 7 512� 5 4

15

10 7123 2

151

10 �710 �

� 113

723

213 �

1113 �

65 �

35 �

Math Skills MaintenanceAdding Fractions with Like Denominators

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

27

27


Subtract. Write each difference in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15.

� 1725

1318 �

518 �193

53548 �

1348 �

� 1538

2878

2527 �

527 �

1315 �

215 �

� 714� 3 2

11

8347 4

111720 �

520 �

914 �

714 �

1121 �

521 �

1617 �

317 �

712 �

512 �

57 �

27 �

45 �

35 �

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceSubtracting Fractions with Like Denominators

28


Subtract. Write each difference in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.


13. Abbi has a lemonade stand. On the 14. Jennie bought a 25-pound bag of dog

first day, she sold gallons and food. During the first month, her dog ate

on the second day she sold gallons. pounds of the food. How much dog

How much more lemonade did she food did she have left at the end of

sell the first day than the second day? the month?

155881

3

1023

� 429

13 920 � 7 3

20 �3551 �

1851 �45

9

5 � 225 �97

8 � 318 �

2326 �

726 �

� 7 625

23 �

13 �8 6

2529 �

19 �

� 7 311

91011

2330 �

730 �

89 �

79 �

Math Skills MaintenanceSubtracting Fractions with Like Denominators

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

28

28


Add or subtract. Write each answer in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15.

�112� 381

3

1314 �

514 �

512382

3

1315 � 133

5 �1315 �

715 �18 9

11 � 8 211 �

� 537

176733

8 � 118 �

6475 �

1175 �

�38

28� 111

5

910 �

110 �

18133

5

911 �

711 �

1132 �

532 �

313 �

713 �

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceAdding and Subtracting Fractions with LikeDenominators

29


Add or subtract. Write each answer in simplest form.

1. 2. 3.

4. 5. 6.

7. 8. 9.

10. 11. 12.

13. 14. 15. 571112 � 43 5

12 �180225 �

20225 �

1827 �

827 �

725 � 98

5 �109 �

79 �34

7 �37 �

� 238

1125 �

2225 �

12 �

12 �67

8

� 181190

2342 �

942 �1077

90414 � 41

4 �

� 537

1011 �

911 �76

72225 �

1225 �

Math Skills MaintenanceAdding and Subtracting Fractions with LikeDenominators

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

29

29


Identify the property shown by each equation.

1. 5 � 8 � 8 � 5 2. 3 � (9 � 20) � (3 � 9) � 20

3. 5(3 � 8) � 5 � 3 � 5 � 8 4. 6 � 1 � 6

5. 14 � (10 � 20) � (14 � 10) � 20 6. 5 � 15 � 5 � 5 � 5(15 � 5)

7. (6 � 12)3 � 3(6 � 12) 8. 8 � 0 � 8

9. 4 � (16 � 21) � (16 � 21) � 4 10. 125 � 450 � 450 � 125

11. 7 � 17 � 17 � 7 12. 12(100 � 3) � 12 � 100 � 12 � 3

13. (55 � 2) � 25 � 55 � (2 � 25) 14. 1 � 25 � 25

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceIdentifying Properties

30


Identify the property shown by each equation.

1. 78 � 12 � 12 � 78 2. 5 � (55 � 31) � (55 � 31) � 5

3. 62 � 30 � 30 � 62 4. 33 � (7 � 18) � (33 � 7) � 18

5. 11 � (5 � 75) � (11 � 5) � 75 6. 22(30 � 10) � 22 � 30 � 22 � 10

7. 25 � 0 � 25 8. 29(200 � 5) � 29 � 200 � 29 � 5

9. (2 � 3)34 � 34(2 � 3) 10. 16 � 1 � 16

11. (7 � 8) � 0 � (7 � 8) 12. (39 � 4) � 25 � 39 � (4 � 25)

13. 225 � 375 � 375 � 225 14. 1 � 9 � 9 � 1

Math Skills MaintenanceIdentifying Properties

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

30

30


Simplify each expression. Tell which property you used.

1. 6 � 23 2. 45 � (5 � 37)

3. 13 � 12 4. 1 � 36

5. 81 � (9 � 50) 6. 34 � 12

7. (27 � 95) � 5 8. 88 � (12 � 53)

9. 25 � 18 � 15 10. 16 � 104

11. (87 � 5) � 2 12. 84 � 0

13. 25 � 18 � 4 14. (75 � 4) � 5

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceUsing Properties

31


Simplify each expression. Tell which property you used.

1. 17 � (13 � 82) 2. 47 � 120 � 13

3. 17 � 13 4. (53 � 5) � 2

5. 1 � 95 6. 4 � 27 � 5

7. 125 � 46 � 25 8. (43 � 2) � 0

9. 43 � (17 � 42) 10. 6 � 24 � 5

11. 23 � 12 12. (232 � 17) � 13

13. 34 � 11 14. 250 � 18 � 4

Math Skills MaintenanceUsing Properties

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

1Sk

ill 3

1

31


Complete each sentence with the most reasonable unit of length:inch(es), foot(feet), yard(s), or mile(s).

NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceMeasurement: Length in the Customary System

32

1. A stamp is about 1 __________ wide. 2. A 3-ring binder is about 1 __________long.

3. A door to a home is about 1 __________wide.

4. A person can walk about 1 __________in 15 minutes.

5. A car is about 14 __________ long. 6. Charleston, West Virginia, and Athens,Ohio, are about 95 __________ apart.

Choose the best estimate.

7. Which is the best estimate for the 8. Which is the best estimate of the distance width of a kitchen table: 4 inches, between Atlanta, Georgia, and Memphis,4 feet, 4 yards, or 4 miles? Tennessee: 371 inches, 371 feet, 371

yards, or 371 miles?

9. Which is the best estimate for the 10. Which is the best estimate for the length height of a fence: 6 inches, 6 feet, of a pencil: 9 inches, 9 feet, 9 yards, or 6 yards, or 6 miles? 9 miles?

11. Which is the best estimate for the 12. Which is the best estimate for the height length of a football field: 100 inches, of the Sears Tower in Chicago, Illinois:100 feet, 100 yards, or 100 miles? 1,450 inches, 1,450 feet, 1,450 yards, or

1,450 miles?

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?

??

?


Complete each sentence with the most reasonable unit of capacity:cup(s), pint(s), quarts(s), or gallon(s).

Math Skills MaintenanceMeasurement: Capacity in the Customary System

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

33

33

1. Luana drank 4 __________ of juice. 2. A pitcher holds about 3 __________ ofwater.

3. Large plastic containers of milk hold 1 __________.

4. There are 8 __________ in 1 gallon.

5. 4 quarts contain 8 __________. 6. A can of soup holds about 2 __________.

7. Which is the best estimate for a largeglass of soda: 1 cup, 1 pint, or 1 gallon?

8. Which is the best estimate for a can ofmotor oil: 1 cup, 1 quart, or 1 gallon?

9. Which is the best estimate for anaquarium: 5 cups, 5 pints, or 5 gallons?

10. Which is the best estimate for a child’swading pool: 150 pints, 150 cups, or 150 gallons?

11. Which is the best estimate for theamount of flour required for makingcookies: 2 cups, 2 quarts, or 2 gallons?

12. Which is the best estimate for theamount of paint needed to cover theliving room: 3 cups, 3 pints, or 3gallons?


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NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceMeasurement: Weight in the Customary System

34

Complete each sentence with the most reasonable unit of weight:ounce(s), pound(s), or ton(s).

1. A slice of bread weighs about 1 __________.

2. A carton of butter weighs about 1 __________.

3. A small car weighs about 1 __________. 4. A grown man might weigh about 175 __________.

5. It costs 37¢ to mail a first-class letterweighing no more than 1 __________.

6. A sign posted just before the entranceto a small country bridge warned of a 3 __________ weight limit.

7. Which is the best estimate for theweight of a whale: 2 ounces, 2 pounds,or 2 tons?

8. Which is the best estimate for theweight of a calculator: 4 ounces,4 pounds, or 4 tons?

9. Which is the best estimate for theweight of a vacuum cleaner: 30 ounces,30 pounds, or 30 tons?

10. Which is the best estimate for theweight of a volleyball: 9 ounces,9 pounds, or 9 tons?

11. Which is the best estimate for theweight of a serving of cereal: 1 ounce,1 pound, or 1 ton?

12. Which is the best estimate for theweight of a bag of dog food: 10 ounces,10 pounds, or 10 tons?


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??

??


Math Skills MaintenanceMeasurement: Length, Capacity, and Weight in theCustomary System

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

35

35

Complete each sentence with the most reasonable unit of measure:inch(es), foot(feet), yard(s), mile(s), cup(s), pint(s), quart(s), gallon(s),ounce(s), pound(s), or ton(s).

1. The length of a shoe is about 9 __________.

2. A pitcher contains about 2 __________of lemonade.

3. A bag of potatoes weighs about 5 __________.

4. The length of a bike path is 15 __________.

5. A family can drink about 2 __________of juice each week.

6. A slice of lunch meat weighs about 1 __________.

7. Which is the best estimate for theheight of a classroom: 3 feet, 3 yards,or 3 miles?

8. Which is the best estimate for theamount of stain needed to paint aporch deck: 2 cups, 2 pints, or 2gallons?

9. Which is the best estimate for theweight of a carton of yogurt: 8 ounces,8 pounds, or 8 tons?

10. Which is the best estimate for thelength of a sofa: 8 inches, 8 feet, or 8 yards?

11. Which is the best estimate for theamount of sugar needed to make a cake:1 cup, 1 quart, or 1 gallon?

13. Which is the best estimate for theheight of a child: 3 inches, 3 feet, or 3 yards?

12. Which is the best estimate for theweight of an elephant: 4 ounces,4 pounds, or 4 tons?

14. Which is the best estimate for anindividual serving of ice cream: 1 cup,1 pint, or 1 gallon?


?

?

??

?

?


NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceMeasurement: Capacity in the Metric System

36

Complete each sentence with the most reasonable unit of capacity:kiloliter(s), liter(s), or milliliter(s).

1. Alicia bought 2 __________ of soda. 2. There are about 473 __________ of juicein an individual bottle.

3. The amount of water to fill a swimmingpool would be measured using__________.

4. An eyedropper has a capacity of about1 __________.

5. The gas in the tank of a car would bemeasured using __________.

6. The liquid in a thermometer would bemeasured using __________.

7. Which is the capacity of an averagebathtub: 80 milliliters, 80 liters, or 80 kiloliters?

8. Which is the best estimate for theamount of vanilla needed to flavor abatch of cookies: 3 milliliters, 3 liters,or 3 kiloliters?

9. Which is the best estimate for thecapacity of a home aquarium: 38milliliters, 38 liters, or 38 kiloliters?

10. Which is the best estimate for theamount of water used by a firedepartment to fight a fire: 500milliliters, 500 liters, or 500 kiloliters?

11. Which is the best estimate for theamount of honey used to sweeten a cup of hot tea: 2 milliliters, 2 liters, or 2 kiloliters?

12. Which is the best estimate for theamount of soda served in a popularrestaurant each day: 1 milliliter, 1 liter,or 1 kiloliter?


?

? ?

?

??


Math Skills MaintenanceMeasurement: Mass in the Metric System

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

37

37

Complete each sentence with the most reasonable unit of mass:kilogram(s), gram(s), or milligram(s).

1. A small paper clip has a weight ofabout 1 __________.

2. A dictionary has a weight of about 1 __________.

3. A grain of salt has a weight of about 1 __________.

4. The weight of a cow would best bemeasured in __________.

5. The weight of a vitamin would best bemeasured in __________.

6. The weight of a dollar bill would bestbe measured in __________.

7. Which is the best estimate of theweight of an adult female: 65milligrams, 65 grams, or 65 kilograms?

8. Which is the best unit to estimate theweight of a candy bar: 20 milligrams,20 grams, or 20 kilograms?

9. Which is the best unit to estimate theweight of pencil lead: 2 milligrams, 2grams, or 2 kilograms?

11. Which is the best unit to estimate theweight of a meadow mouse:15 milligrams, 15 grams, or 15 kilograms?

10. Which unit would provide the bestestimate for the weight of a small ham,5 milligrams, 5 grams, or 5 kilograms?

12. Which unit would provide the bestestimate for the weight of an adultmale harbour seal, 230 milligrams,230 grams, or 230 kilograms?


? ?

? ?

??


NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceMeasurement: The Metric System

38

Complete each sentence with the most reasonable unit of measure:kiloliter(s), liter(s), milliliter(s), kilogram(s), gram(s), or milligram(s).

1. The weight of a ring band is about 3 __________.

2. A pitcher contains about 2 __________of lemonade.

3. A box of rice weighs about 1 __________.

4. The amount of water in a bottle for anindividual serving is 1.5 __________.

5. An infant weighs about 3 __________. 6. You could pour 75 __________ of syrupon your pancakes.

7. Which is the best estimate for theweight of a drinking straw: 2milligrams, 2 milliliters, 2 kilograms,or 2 kiloliters?

8. Which is the best estimate for theamount in a family size box of rice:0.9 grams, 0.9 kilograms, or 0.9milligrams?

9. Which is the best estimate for theamount of soup in a can: 473milligrams, 473 kilograms, 473 liters,or 473 milliliters?

10. Which is the best estimate for thecapacity of a backyard swimming pool:75 milligrams, 75 grams, 75 liters, or 75 kiloliters?

11. Which is the best estimate for theamount of fruit punch needed to serveat a small birthday party: 18 milliliters,18 liters, 18 milligrams, or 18 grams?

13. Which is the best estimate for theweight of a pencil’s eraser: 3 kilograms,3 grams, 3 kiloliters, or 3 milliliters?

12. Which is the best estimate for theweight of a tiger: 200 grams, 200 liters,200 kiloliters, or 200 kilograms?

14. Which is the best estimate for theweight of a small bird: 100 milliliters,100 liters, 100 milligrams, or 100 grams?


?

?

??

?

?


Math Skills MaintenanceMeasurement: Temperature

NAME ________________________________________ DATE ______________ PERIOD _____

Skill

39

39

Complete each sentence with the most reasonable temperature:Celsius or Fahrenheit.

1. Water freezes at 0°_________________. 2. A normal body temperature would be98.6° _________________.

3. Water boils at 212° _________________. 4. Water freezes at 32° _________________.

5. A normal body temperature would be37° _________________.

6. Water boils at 100° _________________.

7. Which is the best estimate for thetemperature of hot chocolate: 110°F or60°F?

8. Which is the best estimate for thetemperature on a snowy day: 15°C or�5°C?

9. Which is the best estimate for thetemperature on a good day forswimming: 10°C or 30°C?

10. Which is the best estimate for thetemperature of ice cream: 20°F or20°C?

11. Which is the best estimate of thetemperature for baking a pie: 180°C or80°C?

12. Which is the best estimate for a normalroom temperature: 72°F or 72°C?


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??

??


NAME ________________________________________ DATE ______________ PERIOD _____

Math Skills MaintenanceMeasurement: Length, Capacity, Weight, andTemperature

40

Complete each sentence with the most reasonable unit of measure.

1. The length of a goldfish could be about3 __________.

2. Soda is usually sold in bottles with acapacity of 2 __________.

3. The weight of an adult woman is about135 __________.

4. Water freezes at 0° __________.

5. Olympic swimmers can complete a 200 __________ freestyle event.

6. A small filet of steak to serve oneperson could weigh 5 __________.


7. Which is the best estimate for thetemperature of ice cubes: 20°F or 20°C?

8. Which is the best estimate for thedistance a dinner cruise boat mighttravel: 10 meters, 10 inches,10 millimeters, or 10 miles?

9. Which is the best estimate for theamount of beverage in a juice box: 236milliliters, 236 gallons, 236 kiloliters,or 236 pints?

10. Which is the best estimate for theweight of a medium-sized dog: 22 tons,22 grams, 22 kilograms, or 22 ounces?

11. Which is the best estimate for thetemperature inside an ice skatingfacility: 10°F, 15°C, or 30°C?

13. Which is the best estimate for theamount of gas pumped into a car’sempty gas tank: 10 cups, 10 kiloliters,10 gallons, or 10 pints?

12. Which is the best estimate for theheight of a full-grown tree: 17millimeters, 17 feet, 17 kilometers, or17 miles?

14. Which is the best estimate for theweight of a grain of salt: 1 milligram,1 gram, 1 pound, or 1 ton?

? ?

??

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NAME ________________________________________ DATE ______________ PERIOD _____

Skill

40

40


1. The temperature of a hot day could be87° __________.

2. The lead sold for mechanical pencils is0.7 __________ in width.

3. When making brownies, you usuallyadd 1 __________ of sugar.

4. Some trucks with heavy loads canweigh 4 __________.

5. Ice cream should be stored in a spacecooler than 0º __________.

6. Experienced bike riders can travelabout 40 __________ each hour.


7. Which is the best estimate of theamount of water needed to fill acommunity swimming pool: 360 liters,360 kiloliters, 360 cups, or 360 pints?

8. Which is the best estimate for theweight of a box of paperclips: 100grams, 100 pounds, 100 milligrams, or100 kilograms?

9. Which is the best estimate for thetemperature of boiling water: 30°C,100°F, 80°C, or 215°F?

10. Which is the best estimate for thelength of a garden hose: 8 kilometers,8 yards, 8 feet, or 8 inches?

11. Which is the best estimate for theamount of ice cream needed for afamily’s dessert: 2 cups, 2 pints,2 milliliters, or 2 ounces?

13. Which is the best estimate for thetemperature of hot coffee: 150°F, 94°F,30°C, or 150°C?

12. Which is the best estimate for theweight of a small squirrel: 200 pounds,200 tons, 200 kilograms, or 200 grams?

14. Which is the best estimate for thelength of a soccer field: 120 yards, 120feet, 120 millimeters, 120 kilometers?

?

?

??

?

?


NAME ________________________________________ DATE ______________ PERIOD _____


40


1. When changing the oil of a car, youusually replace 4 __________ of oil.

2. Newborn babies usually weigh between7 and 10 __________.

3. A person with a fever could have atemperature of 38° __________.

4. The length for a large sailboat could be75 __________.

5. When making macaroni and cheese, itis suggested that the noodles are boiledin 6 __________ of water.

6. A certain chocolate chip cookie recipeincludes 8 __________ of chocolate chipsin the ingredient list.


7. Which is the best estimate for thetemperature of a hot tub: 100°F or100°C?

8. Which is the best estimate for thedistance someone could walk in onehour: 4 meters, 4 kilometers,4 millimeters, or 4 yards?

9. Which is the best estimate for theamount of punch needed at a party: 8gallons, 8 milliliters, 8 cups, or 8 pints?

10. Which is the best estimate for theweight of a shoe: 227 kilograms, 227pounds, 227 tons, or 227 grams?

11. Which is the best estimate for thetemperature of the water in theAtlantic Ocean off the coast of NorthCarolina in June: 65°C, 65°F, or 30°C?

13. Which is the best estimate for theamount of coffee creamer in one carton:1 milliliter, 1 pint, 1 gallon, or 1 kiloliter?

12. Which is the best estimate for theheight of a television: 18 millimeters,18 inches, 18 feet, or 18 yards?

14. Which is the best estimate for theweight of a textbook: 1 ounce, 1 ton,1 kilogram, or 1 milligram?

?

?

?

?

?

?



NAME ________________________________________ DATE ______________ PERIOD _____

Skill

40

40


1. A reasonable oven temperature forcooking would be 176° __________.

2. Using the metric system, the distancebetween two houses in a suburbanneighborhood could be 4 __________.

3. There are 1,000 __________ in eachliter.

4. Often bridges will have warning signsfor the number of __________ a vehiclecan weigh and safely travel across.

5. An adult with a fever could have atemperature of 101° __________.

6. Highway speed limits are often 65__________ per hour.


7. Which is the best estimate of theamount of iced tea served in anamusement park on a summer day:50 milliliters, 50 liters, 50 quarts, or 50 kiloliters?

8. Which is the best estimate for theweight of a teaspoon of salt:200 milligrams, 200 kilograms,200 pounds, or 200 tons?

9. Which is the best estimate for atemperature where water would freeze:25°C, 40°F, 34°F, or �5°C?

10. Which is the best estimate for thelength of a small beetle: 12 meters, 12millimeters, 12 inches, or 12 miles?

11. Which is the best estimate for theamount of water in a pitcher: 3 cups,3 milliliters, 3 liters, or 3 gallons?

13. Which is the best estimate for thelength of a pair of men’s pants: 32inches, 32 feet, 32 meters, or 32millimeters?

12. Which is the best estimate for theweight of a male giraffe: 1,900 grams,1,900 tons, 1,900 ounces, or 1,900kilograms?

14. Which is the best estimate for theamount of vanilla added to cookiebatter: 29 milliliters, 29 milligrams,29 cups, or 29 quarts?

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Documents

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