My class started Chapter 4 this week. In this chapter, I will learn...

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Chapter 4 seventy-one P71

Chapter

4

Dear Family,My class started Chapter 4 this week. In this chapter, I will learn about subtraction strategies and how to solve subtraction word problems.

Love,

Vocabulary

count back a way to subtract by

counting back from the larger number

8 2 1 5 7

Start at 8.

Count back 1.

You are on 7.

Home Activity

Have your child practice counting from

1 to 8 and then from 8 to 1. Display

numbers 1–8 on a piece of poster board

or notebook paper. Each day, work with

your child to solve simple subtraction

problems by counting back 1, 2, or 3

using the list of numbers.

8 2 2 5 6

LiteratureLook for these books in

a library. Reading them

together will reinforce

your child’s learning.

Monster Musical Chairs

by Stuart J. Murphy.

HarperCollins Children’s

Books, 2000.

Ten Little Ladybugs

by Melanie Gerth.

Piggy Toes

Press, 2001.

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P72 seventy-two

Capítulo

4

Querida familia:Mi clase comenzó hoy el Capítulo 4. En este capítulo, apren-deré estrategias de resta y a resolver problemas de resta en palabras.

Con cariño,

Actividad para la casa

Pida a su hijo que cuente de 1 a 8 y de 8

a 1. Muestre los números de 1 a 8 en una

cartulina o una hoja de cuaderno. Cada día,

practique con su hijo resolver problemas

simples de resta contando hacia atrás 1, 2 ó

3, en la lista de los números anotados.

8 2 2 5 6

Vocabulario

contar hacia atrás un modo de restar

contando hacia atrás de un número mayor

8 2 1 5 7

Comienza en 8.

Cuenta hacia atrás 1.

Quedas en 7.

LiteraturaBusquen estos libros en la

biblioteca. Si los lee con su

hijo, ayudará a reforzar su

aprendizaje.

Monster Musical

Chairs

Stuart J. Murphy.

HarperCollins Children’s

Books, 2000.

Ten Little Ladybugs

Melanie Gerth. Piggy

Toes Press, 2001.

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1. —

5 7 2 3 2. 8 2 3 5 — 3. 4 2 3 5 —

4. —

5 9 2 1 5. —

5 7 2 1 6. —

5 6 2 2

7. 6 2 1 5 — 8. 5 2 3 5 — 9. —

5 11 2 3

10. 5 2 2 5 — 11. 10 2 2 5 — 12. —

5 10 2 3

13. —

5 9 2 3 14. 4 2 2 5 — 15. —

5 7 2 2

16. —

5 12 2 3 17. 8 2 1 5 — 18. 11 2 2 5 —

19. —

5 9 2 2 20. 3 2 1 5 — 21. —

5 4 2 1

Count Back

Count back 1, 2, or 3. Write the

difference.

Chapter 4 seventy-three P73

Write a subtraction sentence to solve.

22. Tina has 12 pencils.

She gives away 3 pencils.

How many pencils are left?

Lesson 4.1

— pencils

— 2 — 5 —

COMMON CORE STANDARD MACC.1.OA.3.5

Add and subtract within 20.

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Lesson Check (MACC.1.OA.3.5)

1. Count back 3. What is the difference?

— 5 10 2 3

13 10 7 3 l l l l

2. Count back 2. What is the difference?

7 2 2 5 —

2 3 4 5 l l l l

Spiral Review (MACC.1.OA.1.1, MACC.1.OA.3.6)

3. What is the sum of 4 1 4? (Lesson 3.3)

7 8 9 10 l l l l

4. There are 4 big dogs and

3 small dogs. How many

dogs are there? (Lesson 1.3)

1 3 4 7 l l l l

P74 seventy-four

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Think Addition to Subtract

Use to add and to subtract.

1.

2. 3. 11

2 7

_

?

4. 13

2 4

_

?

5. 14

2 6

_

?

Chapter 4 seventy-five P75

6. Write a number sentence to solve.

I have 18 pieces of fruit.

9 are apples.

The rest are oranges.

How many are oranges?

9

2 3

_

11

2 7

_

14

2 6

_

15

2 8

_

13

2 4

_

Think

Think

Think

Think

Think

So

So

So

So

So

— — —

— oranges

8

1 B _

15

3

1 B _

9

7

1 B _

11

4

1 B _

13

6

1 B _

14

9

2 3

_

?

15

2 8

_

?


Understand and apply properties of

operations and the relationship between

addition and subtraction.

Lesson 4.2HANDS ON

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1. Use the sum of 7 1 9 to solve 16 2 9.

6 7 8 9 l l l

2. What is the missing number?

4 5 9 10 l l l


3. What is the sum? (Lesson 3.10)

4 1 4 1 6 5 —

10 14 15 16 l l l l

4. There are 4 birds.

3 birds fly away.

How many birds

are there now? (Lesson 2.1)

1 3 4 7 l l l l


14 2 5

_

B 5

1 B

__

14

P76 seventy-six

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yLesson 4.3

13. Solve. Draw or write to show your work.

I have 15 nickels.

Some are old. 6 are new.

How many nickels are old?

— nickels

Use Think Addition to Subtract

Think of an addition fact

to help you subtract.

1. 2.

3. 4. 5. 6. 7.

12. 8. 9. 10. 11.

13 2 8

_

12 2 4

_

12 2 6

_

14 2 8

_

16 2 7

_

15 2 7

_

Chapter 4 seventy-seven P77

11 2 8

_

13 2 6

_

10 2 7

_

8

1 B

_

13

6

1 B

_

12

2.


Understand and apply properties of

operations and the relationship between


6 2 4

_

9 2 5

_

14 2 9

_

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P78 seventy-eight


1. Use 9 1 — 5 13 to find the difference.

13 2 9 5 —

0 2 4 6 l l l l

2. Use 8 1 — 5 11 to find the difference.

11 2 8 5 —

3 4 5 18 l l l l


3. What is the sum of this doubles plus one fact? (Lesson 3.5)

4 1 5 5 —

7 8 9 10 l l l l

4. Count on to solve 7 + 2. (Lesson 3.2)

4 5 8 9 l l l l

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Chapter 4 seventy-nine P79

Solve. Use the ten frames to

make a ten to help you subtract.

3. Marta has 15 stickers.

8 are blue and the rest are red.

How many stickers are red?

— stickers

Use 10 to Subtract

Use and ten frames. Make a

ten to subtract.

Draw to show your work.

1. 12 2 9 5 ? —

12 2 9 5 —

2.

12 2 8 5 ? —

12 2 8 5 —

Lesson 4.4HANDS ON



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P80 eighty

1. Which subtraction sentence

do the ten frames show?

13 2 3 5 10 13 2 9 5 4l l

14 2 4 5 10 14 2 5 5 9l l

Spiral Review (MACC.1.OA.3.6)

2. What addition sentence does

this model show? (Lesson 3.8)

3 1 2 5 5 5 1 2 5 7l l

10 1 1 5 11 11 1 1 5 12l l

3. Which way shows how to

make a ten to find 8 1 5?

(Lesson 3.9)

5 1 3 1 2 8 1 2 1 3l l

10 1 2 1 3 10 1 3 1 2l l

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Chapter 4 eighty-one P81

Use the ten frames. Write a number sentence.

2. There are 17 goats in the barn. 8 goats go outside.

How many goats are still in the barn?

Break Apart to Subtract

Subtract.

1. What is 13 2 5?

— 2 — 2 —

— 2 — 5 —

So, 13 2 5 5 — .

— 2 — 2 —

— 2 — 5 —

So, — 2 — 5 — .

Lesson 4.5COMMON CORE STANDARD MACC.1.OA.3.6


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P82 eighty-two


2. Which shows a way to take apart 7? (Lesson 2.8)

8 2 7 5 1 7 2 1 5 6l l

6 1 1 5 7 1 1 6 5 7l l

3. Which is a doubles minus one fact? (Lesson 3.6)

7 1 7 = 14 7 1 5 = 12l l

8 1 7 = 15 8 1 8 = 16l l

1. Which way shows how to

make a ten to find 12 – 4?

12 2 2 2 2 10 2 4 l l

12 2 1 2 1 10 2 1 l l

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PROBLEM SOLVINGLesson 4.6

Name

Act it out to solve.


Chapter 4 eighty-three P83

1. There are 13 monkeys.

6 are small. The rest are big.

How many monkeys are big?

13 2 6 5

— monkeys are big.

2. Mindy had 13 flowers. She

gave some to Sarah. She

has 9 left. How many flowers

did she give to Sarah?

13 2 5 9

Mindy gave — flowers to Sarah.

3. There are 5 more horses

in the barn than outside.

12 horses are in the barn.

How many horses are

outside?

12 2 5 5

— horses are outside.

4. Kim has 15 pennies.

John has 6 pennies.

How many fewer pennies

does John have than Kim?

15 2 6 5

John has — fewer pennies.


Represent and solve problems involving


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P84 eighty-four


1. Jack has 14 oranges.

He gives some away.

He has 6 left.

How many oranges did he give away?

3 4 7 8 l l l l

2. 13 pears are in a basket.

Some are yellow and some

are green. 5 pears are green.

How many pears are yellow?

6 7 8 9 l l l l


3. Rita has 4 plants.

She gets 9 more plants.

Then Rita gets 1 more plant.

How many plants does she have now? (Lesson 3.12)

14 13 10 5 l l l l

4. What is the sum of 10 + 5? (Lesson 3.7)

15 10 5 4 l l l l

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Chapter 4 Extra Practice

Lesson 4.1 (pp. 153–156)

Chapter 4 eighty-five P85

Lesson 4.2–4.3 (pp. 157-163)

Think of an addition fact

to help you subtract.

Count back 1, 2, or 3.

Write the difference.

1. 10 2 3 5 —

2. — 5 11 2 3

3. 9 2 2 5 —

4.

— 5 6 2 15.

— 5 4 2 26.

8 2 3 5 —

COMMON CORE STANDARDS MACC.1.OA.1.1,

MACC.1.OA.2.4, MACC.1.OA.3.5, MACC.1.OA.3.6

3. 4. 5. 6. 7.

1. 2. 13

2 9

_

14 2 5

_

12 2 9

_

13 2 6

_

15 2 8

_

5 2 4

_

14 2 7

_

9

1

_

13

7 1

_

14

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P86 eighty-six

Lesson 4.4 (pp.165–168)

Use and ten frames.

Make a ten to subtract.


1. 16 2 9 5 ? —

16 2 9 5 —

2. 13 2 8 5 ? —

13 2 8 5 —

Lesson 4.5 (pp. 169–172)

Subtract.

1. What is 15 2 7?

2 — 2 —

— 2 — 5 —

So, 15 2 7 5 — .

—

My class started Chapter 4 this week. In this chapter, I will learn...

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