CHAPTER 1 : WHOLE NUMBERS1.1 WHOLE NUMBERS

1. Write the following numbers in words.a. 368

b. 4 129

c. 57

d. 598 645

e. 666 666

f. 2 352 847

g. 509 258

h. 21 068

i. 90 008

j. 11 009 108

2. Write the following numbers in numerals.a. Six hundred and fifty-eight

b. Nine thousand and seventeen

c. Seventy three thousand and thirty-six

d. Four hundred and twenty-three thousand five hundred and thirteen

e. Twenty seven million eight hundred and fifty-six thousand nine hundred and forty-one.

f. Two hundred thirty thousand eight hundred and fifteen

g. Six million one hundred seven thousand eight hundred and fourteen

h. One hundered sixty-three thousand and eleven

i. Eight million four hundred two thousand nine hundred and seven

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j. Ten thousand and one

3. Arrange the following numbers in ascending (small to big) order.a. 5 908 , 3 985 , 6 092 , 5 695

b. 2 130 , 2 083 , 2 114 , 2 670

c. 32 962 , 32 096 , 35 120 , 35 098

d. 1 023 612 , 1 230 512 , 1 320 412 , 1 302 612

e. 4 086 , 4 860 , 4 068 , 4 608

4. Arrange the following numbers in descending order (big to small) order.a. 6 091 , 6 129 , 6 109 , 6 901

b. 7 106 , 7 612 , 7 210 , 7 061

c. 308 513 , 313 850 , 380 351 , 305 813

d. 2 653 282 , 2 536 282 , 2 635 282 , 2 563 282

e. 1 096 , 1 609 , 1 069 , 1 906

5. Form the largest number and smallest number with the digits given below.Numbers Largest Number Smallest Number

a. 1 , 0 , 7 , 2 , 4

b. 4 , 9 , 5 , 3

c. 3 , 1 , 6 , 0 8

d. 7 , 4 , 6 , 2 , 5

e. 2 , 8 , 6 , 3 , 6

Place Value and Digit Value

3 6 5 9 2 3 8

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Place Value Digit Value

ones 8

tens 30

hundreds 200

thousands 9 000

ten thousands 50 000

hundred thousands 600 000

millions 3 000 000

6. State the place value and digit value of each underlined digit.

Number Place Value Digit Value

a

.

784

b

.

6 219

c. 45 726

d

.

208 719

e

.

346 825

f. 4 213 608

g

.

1 592 837

h

.

15 368

i. 2 736 548

j. 6 910 827

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7. Round off each of the following numbers to the nearest ten.Number Nearest ten Number Nearest ten

764 60 845

42 572 231 798

167 286 2 581 951

8. Round off each of the following to the nearest hundred.Number Nearest hundred Number Nearest hundred

32 471 7 462 849

21 639 821 964

6 054 8 371 930

9. Round off the following to the nearest thousand.Number Nearest thousand Number Nearest thousand

4 629 67 485

9 613 147 621

2 738 540 1 829 459

10. Round off the following to the nearest ten thousand.Number Nearest ten thousand Number Nearest ten thousand

24 583 67 485

72 931 147 621

287 235 1 829 459

11. Round off the following to the nearest hundred thousand.Number Nearest hundred thousand Number Nearest hundred thousand

748 250 4 608 512

254 739 8 395 120

6 472 853 345 648

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12. Round off the following to the nearest million.Number Nearest million Number Nearest million

1 236 598 39 216 612

4 539 200 19 698 988

23 091 296 1 000 298

13. Round of the following numbers to the place values stated in each column.Number Ten Hundred Thousand Ten

thousandHundred thousand

Million

a. 415 926

b. 708 538

c. 1 562 077

d. 8 498 352

e. 3 009

1. The digit which has the correct place values in both numbers is

Digit Place Value8 257 613 8 716 253

A 2 Ten thousands HundredsB 5 Ten thousands TensC 6 Thousands Ten thousandsD 7 Hundred

thousandsTen thousands

2. Which of the following numbers when rounded off to the nearest ten thousand become 7 240 000?A. 7 234 000 C. 7 245 000B. 7 236 000 D. 7 248 000

3. The number 382 174 is written as 400 000 after rounding off to the nearestA. thousandB. ten thousandC. hundred thousandD. million

4. Which of the following numbers when rounded off to the nearest thousand does not become 213 000?A. 212 508B. 212 904C. 213 409

D. 213 503

5. The place value of digit 6 in the number 546 908 is?A. hundredsB. thousandsC. ten thousandsD. hundred thousands

6. Round off 73 568 to the neares hundredA. 73 500B. 73 570C. 73 600D. 73 660

7. 135 450 is written as 135 000 when it is rounded off to theA. nearest tenB. nearest hundredC. nearest thousandD. nearest ten thousand

8. “ Six hundred and eighty thousand and seven” written in numerals is A. 680 007B. 680 007 C. 680 700D. 687 000

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9. The digit value of 7 in the number 873 612 isA. 700 000B. 70 000C. 7 000D. 700

10. What is the place value of digit 5 in the number 351 046?A. hundred thousandsB. ten thousandsC. thousandsD. hundreds

11. The place value for the digit 2 in the following numbers is hundreds exceptA. 1 238B. 2 803C. 3 281D. 8 203

12. Which of the following numbers has the smallest value for the digit 4?A. 97 413B. 75 842C. 56 214D. 41 579

13. Which of the following numbers when rounded off to the nearest thousand does not become 423 000?A. 422 509B. 422 804C. 423 308D. 423 507

14. The number 267 548 is written as 270 000 after rounding off to theA. nearest hundred B. nearest thousandC. nearest ten thousandD. nearest hundred thousand

15. Which of the following numbers when rounded off to the nearest ten thousand becomes 7 240 000?A. 7 234 831B. 7 238 105C. 7 245 318D. 7 248 213

16. Find the difference between the largest and smallest 4-digit numbers formed with the digits 7 , 5 , 8 and 2.A. 3 294B. 3 474C. 6 147D. 6 174

17. Which has the correct place values in both numbers?

Digit Place Value9 647 812 8 742 169

A 6 Hundred thousands

Tens

B 7 Thousands Ten thousandsC 8 Thousands MillionsD 9 Millions Tens

18. Round off 745 982 to the nearest ten thousand.

__________________

19. Round off 257 496 to the nearest thousand.

__________________

20. Round off 925 076 to the nearest ten thousand.

__________________

1.2 ADDITION AND SUBTRACTION

1. Find the sum of the following.a. 659 + 783 = b. 125 + 4 084 + 2 976 =

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c. 8 127 + 729 + 146 945 = d. 4 786 + 19 758 + 32 473 =

e. 6 937 + 54 286= f. 3 725 + 486 + 8 174 =

g. 75 136 + 8 148 + ___________ = 83 541 h. 3 048 + ___________ + 81 352 = 260 019

2. Subtract the following.a. 58 702 – 27 814 = b. 14 060 – 6 325 =

c. 132 741 – 63 075 – 5 836 = d. 7 019 – 346 - 918 =

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e. 47 148 – 3 169 – 3 486 = f. 215 634 – 38 125 =

g. 746 - __________ =268 h. _____________ - 485 – 3 128 =7 430

3. Solve each of the following problem.

a. 1 042 , 579 , 831 and 476 students went to the library in four consecutive days. Find the total number ofStudents who went to the library in these four days.

b. The table below shows the number of books sold by a shop on a particular day.

Book Mathematics Science Geography HistoryNumber of books 4 973 5 189 3 048 4 314

Calculate the total number of books sold on that day.

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c. There are 576 pens in a box. 285 are red pens and the remaining are blue pens. Calculate the number of blue pens in the box.

d. A school has 917 female students. The number of male students is 108 more than the female students. How many students are there altogether in the school?

e. A school has a total enrolment of 1 748 and 2 069 students in two consecutive years. Find the increase in the number of students.

f. The diagram below shows the distance between four towns, K, L, M and N.

263km 319km 85km

K L M N

Find the distance from K to N.

g. Roslan has 96 sweets more than Hassan and 45 sweets less than Azmi. Given that Azmi has 182 sweets, how many sweets does Hassan have?

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h. Sheila and Rokiah sold 4 756 and 3 159 copies of newspaper respectively on a certain day. Find the difference between the number of copies sold.

i. Rahman has 1 548 stamps. Siah has 629 stamsps more than Rahman and Siva has 125 stamps more than Siah. Find their total number of stamps.

j The total lenght of three ribbons, A, B and C is 3 035m. The lenghts of ribbons A and B are 1 117m and 969m repectively. Find the lenght of ribbon C.

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