25¢

25¢

1¢

1¢1¢

25¢25¢25¢

12 12

457

8

1011

3

6

9

2+2=

804 N. 2nd Ave. E.Rock Rapids, IA 51246-1759

800-622-3070www.aop.com

MATHStudent Book

1st Grade | Unit 9

SENSIBLE ANSWERSMATH 109

Introduction |1

1. Family of Facts ..............................................................................2Three-Number Addition |5 Self Test 1 |6

2. Number Words ..............................................................................7Skip Counting and Shapes |8Money |9Time |10

Family of Facts |12Self Test 2 |13

3. Number Order ............................................................................ 14Graphs |17Operation Signs |18

Story Problems |19Self Test 3 |21

4. Subtract Two-Digit Numbers ................................................. 22Place Value |23Word Problems |28

Self Test 4 |29

5. Fractions ...................................................................................... 30Self Test 5 |34

LIFEPAC Test |Pull-out

Author: Carol Bauler, B.A.

Editor: Alan Christopherson, M.S.

Media Credits: Page 1: © wenchiawang, iStock, Thinkstock.

804 N. 2nd Ave. E. Rock Rapids, IA 51246-1759

© MCMXCVII by Alpha Omega Publications, Inc. All rights reserved. LIFEPAC is a registered trademark of Alpha Omega Publications, Inc.

All trademarks and/or service marks referenced in this material are the property of their respective owners. Alpha Omega Publications, Inc. makes no claim of ownership to any trademarks and/or service marks other than their own and their affiliates, and makes no claim of affiliation to any companies whose trademarks may be listed in this material, other than their own.

| i

Unit 9 | SENSIBLE ANSWERS

Hi, I am Dr. Kirke. Come learn with my young

woodland friends.

Hi, I am Filmore. I will help you learn

new things.Hey! I am

Roxie. I like a lot of action.

I am Tammy. I love learning new things.

Learn with our friends!

When you see me, I will help your teacher explain the exciting things you are expected to do.

When you do actions with me, you will learn how to write, draw, match words, read, and much more.

You and I will learn about matching words, listening, drawing, and other fun things in your lessons.

Follow me and I will show you new, exciting truths that will help you learn and understand what you study. Let’s learn!

ii |

SENSIBLE ANSWERS | Unit 9

ObjectivesRead these objectives. They will tell what you will be able to do when you have finished this LIFEPAC®.

1. I can make families of facts.2. I can add three numbers with 2 digits.3. I can tell the closer number using multiples of 10.4. I can subtract two numbers with 2 digits.5. I can tell fractions as part of a whole and as part of a set.

My name is__________________________________________________-----------------------------------------------------------__________________________________________________

SENSIBLE ANSWERS

Introduction | 1

Unit 9 | SENSIBLE ANSWERS

1. FAMILY OF FACTS

Complete the family of facts for addition.

1+ 2 3

2+ 1 3

4+ 3 7

3+ 4 7

5+ 8 13

8+ 5 13

7+ 4 11

4+ 7 11

2+ 5 7

+ 7

6+ 3 9

+ 9

4+ 2 6

+ 6

8+ 6 14

+ 14

9+ 3 12

+

7+ 2 9

+

3+ 5 8

+

5+ 2 7

+

4+ 6

+

3+ 0

+

7+ 1

+

6+ 5

+

2 | Section 1

SENSIBLE ANSWERS | Unit 9

Complete the family of facts for subtraction.

6− 2 4

6− 4 2

8− 5 3

8− 3 5

15− 9 6

15− 6 9

12− 7 5

12− 5 7

7− 3 4

− 3

8− 2 6

− 2

13− 9 4

− 9

11− 5 6

− 5

3− 2 1

−

9− 5 4

−

17− 8 9

−

10− 3 7

−

8− 1

−

10− 4

−

5− 3

−

13− 5

−

Section 1 | 3

Unit 9 | SENSIBLE ANSWERS

Add. Find the answer. Color.

3+ 5

6+ 5

3 3+ 6

4+ 1

24+ 5

7 2+ 5

63+ 25

3+ 7

9+ 8

13+ 5

24+ 3

14+ 21

53+ 16

45+ 12

6 2+ 8

5+ 2

27

8

35

29

7

69

12

16

18

58857

141011

17

4 | Section 1

SENSIBLE ANSWERS | Unit 9

Three-Number Addition

Add the ones’ place first. Add the tens’ place second.

24 35+ 40 99

33 10+ 72 115

56 31+ 42 129

32 41+ 25

63 24+ 70

15 42+ 61

71 22+ 35

64 50+ 23

31 58+ 70

15 21+ 43

22 35+ 10

26 31+ 52

5 9 4 3 8 7

Before you take the Self Test, study what you have read and done. The Self Test will check what you remember.

Section 1 | 5

Unit 9 | SENSIBLE ANSWERS

SELF TEST 1

Complete the family of addition facts.

6+ 4 10

4

+ 10

8+ 5 13

5

+

2+ 6

+

7+ 8

+

Add. 6 3+ 4

52+ 7

31+ 48

5 2+ 7

Complete the family of subtraction facts.

8− 3 5

8

− 3

14− 6 8

14

−

10− 6

−

3− 2

−

Add. 23 42+ 51

65 21+ 40

30 45+ 52

17 21+ 60

Teacher Check

_____________Initial Date

30

38My Score

Each answer = 1 point

6 | Section 1

SENSIBLE ANSWERS | Unit 9

25¢

25¢

1¢

1¢1¢

25¢25¢25¢

12 12

457

8

1011

3

6

9

2+2=

804 N. 2nd Ave. E.Rock Rapids, IA 51246-1759

800-622-3070www.aop.com

MATHStudent Book

ISBN 978-0-86717-429-8

9 7 8 0 8 6 7 1 7 4 2 9 8

MAT0109 – Feb ‘17 Printing