Essential Question?

HandsOnExploreExplore

Mathematical ProcessesMath Talk

© H

ough

ton

Miff

lin H

arco

urt

Pub

lishi

ng C

ompa

ny

Number and Operations—1.3.B,

Algebraic Reasoning—1.5.E Also 1.5.DMATHEMATICAL PROCESSES1.1.C, 1.1.G

Use to show taking from, or separating. Draw to show your work.

Model Taking From5.2How can you model taking from, or separating from, a group?

FOR THE TEACHER • Read the following problem. Have children use connecting cubes to model the problem, and draw to show their work. There are 9 butterflies. 2 butterflies fly away. How many butterflies are there now?

HANDS ON

Are there more than or fewer than 9 butterflies now?

Explain.

Name

Module 5 one hundred sixty-five 165

Model and DrawModel and Draw

Share and ShowShare and Show

© H

ough

ton

Miff

lin H

arco

urt

Pub

lishi

ng C

ompa

ny1. 8 dogs 3 dogs run away. 2. 6 frogs 4 frogs hop away.

Use to show taking from, or separating. Draw the . Circle the part you take away, or separate, from the group. Then cross it out. Write the difference.

6 − 4 = — 8 − 3 = —

4 − 3 = —

4 bunnies 3 bunnies hop away.

minus difference

4 − 3 = 1 is a subtraction sentence.

166 one hundred sixty-six

Problem SolvingProblem Solving

Name©

Hou

ghto

n M

ifflin

Har

cour

t P

ublis

hing

Com

pany

• Im

age

Cre

dits

: (c)

©P

M Im

ages

/Pho

todi

sc/G

etty

Imag

es;

(b)

©C

omst

ock/

Get

ty Im

ages

; (t

) ©

Pho

todi

sc/H

ough

ton

Write or draw to solve.

3. 5 seals 4 seals swim away. 4. 9 bears 6 bears run away.

9 − 6 = — 5 − 4 = —

Use to show taking from, or separating. Draw the . Circle the part you take away, or separate, from the group. Then cross it out. Write the difference.

5. There are 8 bunnies. 2 bunnies hop away. How many bunnies are there now?

6. Kelly sees some fish at the pet shop. A man buys 2 fish. A boy buys 4 fish. Now there are 3 fish. How many fish did Kelly see at first?

7. Multi-Step There are 6 boys playing soccer. 3 boys go home. Then 1 more boy goes home. How many boys are there now?

— bunnies

— fish

— boys

Module 5 • Lesson 2 one hundred sixty-seven 167

Daily Assessment TaskDaily Assessment Task

Mathematical ProcessesM

© H

ough

ton

Miff

lin H

arco

urt

Pub

lishi

ng C

ompa

ny •

Imag

e C

redi

ts: ©

Get

ty Im

ages

TAKE HOME ACTIVITY • Use pennies or other small objects of the same kind to model a subtraction situation for numbers within 10. Ask your child to write the subtraction sentence for it. Then switch roles and repeat the activity.

Choose the correct answer.

8. There are 6 ants. 3 crawl away. How many ants are there now?

3 2 9

9. There are 7 kittens. 2 run away. How many kittens are there now?

4 2 5

10. Use Tools There are 8 cows. 2 cows walk away. Then 1 more cow walks away. How many cows are there now?

3 5 2

11. TEXAS Test Prep What is the difference?

3 2 5

168 one hundred sixty-eight

Problem SolvingProblem Solving

Name

Homeworkand Practice

© H

ough

ton

Miff

lin H

arco

urt

Pub

lishi

ng C

ompa

ny

Draw to show the group.Circle the part you take away, or separate, from the group. Then cross it out. Write the difference.

1. 7 chickens 2 chickens run away.

7 − 2 = —

2. 8 whales 6 whales swim away.

8 − 6 = —

3. 5 zebras 0 zebras walk away.

5 − 0 = —

Model Taking From5.2

Number and Operations—1.3.B, Algebraic Reasoning—1.5.E Also 1.5.DMATHEMATICAL PROCESSES 1.1.C, 1.1.G

HANDS ON

4. There are 5 bees on a flower. 2 bees fly away. How many bees are there now? — bees

Write or draw to solve.

Module 5 one hundred sixty-nine 169

Lesson CheckLesson CheckTEXAS Test Prep

© H

ough

ton

Miff

lin H

arco

urt

Pub

lishi

ng C

ompa

ny

5. There are 8 flowers in a flower pot.Ann picks 6 of the flowers. How many flowers are in the flower pot now?

6 2 8

6. 9 girls are playing ball. 2 girls walk away.How many girls are there now?

11 9 7

7. Multi-Step There are 4 clouds. 1 cloud blows away. Then 2 more clouds blow away. How many clouds are there now?

1 3 2

8. What is the difference?

8 9 1

Choose the correct answer.

170 one hundred seventy