*Answers and/or discussion are included in the lesson.

1 TG • Grade 1 • Unit 4 • Lesson 2 • Answer Key

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Answer Key • Lesson 2: The Pet Shop

Student Activity Book

Animals in the Pet Shop (SAB p. 67) Students’ descriptions will vary.*

Pets at Home (SAB p. 69)Questions 1–2

1. 82. A. 5 � 11 � 16

B. 2 � 16 � 18C. 12 � 13 � 25D. 2 � 5 + 6 � 13

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The Pet Shop SAB • Grade 1 • Unit 4 • Lesson 2 67

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Student Activity Book - Page 67

Name Date

The Pet Shop SAB • Grade 1 • Unit 4 • Lesson 2 69

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Pets at HomeUse a calculator to solve the following problems.

1. Beth’s block has three kittens and five puppies. How manypets are on Beth’s block? Press the keystrokes below to findout.

2. For each problem, fill in the missing keystroke boxes. Thenfind the answer.

A. Mark’s block has 5 dogs and 11 cats. How many dogsand cats does the block have?

B. Luis’s family has 2 pets. There are 16 other pets inLuis’s building. How many pets are in the building?

C. Ana counted 12 dogs and 13 cats on her block. Howmany pets are there in all?

D. Sam has two turtles, five frogs, and six lizards as pets.How many pets does Sam have?

Student Activity Book - Page 69

TG • Grade 1 • Unit 4 • Lesson 2 • Answer Key   2

Answer Key • Lesson 2: The Pet Shop

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yPet Problems (SAB pp. 71–72)Questions 1–4Estimates will vary.

1. 9 � 5 � 142. 8 � 3 � 113. 7 � 6 � 134. 6 � 3 � 9

The Pet Shop SAB • Grade 1 • Unit 4 • Lesson 2 71C

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Pet Problems

What is the total number of pets? Think: should the answer bemore or less than 10 pets? You may use a ten frame. Mark anX for more or less than 10. Write a number sentence.

birds cats dogs fishdsbir cats dogs fish

5 4

9

59

5 4 9+ =

59 + =

More than 10 pets

Less than 10 pets

More than 10 pets

Less than 10 pets

cats

pets

dogs

birds

pets

fish

Example:

1.

Student Activity Book - Page 71

72

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SAB • Grade 1 • Unit 4 • Lesson 2 The Pet Shop72

8 3

7 6

6 3

More than 10 pets

Less than 10 pets

More than 10 pets

Less than 10 pets

More than 10 pets

Less than 10 pets

birds

pets

cats

dogs

pets

fish

birds

pets

dogs

2.

4.

3.

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Student Activity Book - Page 72

*Answers and/or discussion are included in the lesson.