## Envision Math 2nd Grade Textbook Answer Key Topic 2.2 Doubles

**Doubles**

Question 1.

__ + ___ = ___

Answer:

Question 2.

__ + __ = ___

Answer:

**Home Connection** Your child learned about doubles facts.

**Home Activity** Look for doubles around the house, such as 2 rows of 6 eggs, 2 piles of 4 shirts, or 2 groups of 3 spoons. Ask your child to tell you the doubles fact that goes with each one.

AF 1.1, Grade 1 Write and solve number sentences from problem situations that express relationships involving addition and subtraction. Also AF 1.0.

**Guidance Practice**

Complete the doubles. Then solve.

Question 1.

8 + __8__ = 16

Answer:

Question 2.

__ + 3 = __

Answer:

Question 3.

__ + 5 = 10

Answer:

Question 4.

7 + __ = 14

Answer:

Question 5.

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Question 6.

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Question 7.

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Question 8.

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Do you understand? Is 8 + 9 = 17 a doubles fact? Explain

**Independent Practice**

Complete the doubles. Then solve.

Question 9.

5 + __ = __

Answer:

Question 10.

__ + 4 = __

Answer:

Question 11.

__ + 9 = __

Answer:

Question 12.

2 + __ = 4

Answer:

Question 13.

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Question 14.

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Question 15.

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Question 16.

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Algebra Complete the doubles facts.

Question 17.

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**Problem Solving**

Draw pictures to help solve the problems.

Question 18.

Jeff bought 9 oranges. Joe bought the same number of oranges. How many oranges did they buy in all?

____ + ____ = ____ oranges

Question 19.

Alex picked 2 bunches of flowers. Each bunch had 5 flowers in it. What will Alex add to find how many flowers in all?

Answer:

Question 20.

Journal Write a riddle about a doubles fact.

Answer: