## Envision Math 2nd Grade Textbook Answer Key Topic 2.4 Adding in Any Order

**Adding in Any Order**

Question 1.

____ +____ = ____ and ____ + ____ = ____

Answer:

Question 2.

____ +____ = ____ and ____ + ____ = ____

Answer:

Question 3.

____ +____ = ____ and ____ + ____ = ____

Answer:

**Home Connection** Your child used connecting cubes to show how facts with the same addends have the same sum.

**Home Activity** Have your child draw a picture to show 3 + 5. Then have him or her turn the picture upside down to show 5 + 3.

AF 1.1 Use the commutative and associative rules to simplify mental calculations and to check results. Also AF 1.0.

**Guided Practice**

Write the addition fact for the cubes.

Then change the order of the addends.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Question 4.

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Do you understand? How is 6 + 3 related to 3 + 6?

**Independent Practice**

Write the sum.

Then change the order of the addends

Question 5.

4 + 5 = __

__ + __ = ___

Answer:

Question 6.

9 + 3 = __

__ + __ = __

Answer:

Question 7.

Answer:

Question 8.

Answer:

Algebra Write the missing number.

The same shapes are the same numbers.

Question 9.

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Question 10.

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**Problem Solving**

Solve the problems below.

Question 11.

Joy has 4 flowers in her garden. Then she plants 3 more. How many flowers does Joy have now? Draw a picture. Then write facts for this story with the addends in a different order.

____ + ____ = ____

____ + ____ = ____

Answer:

Question 12.

Kate has 6 gears on her helmet. Nick’s helmet has 2 gears. Kate and Nick have 8 gears in all. Choose the facts for this story.

Answer:

Question 13.

Journal Draw a picture for 2 + 4. Then draw a picture for the 4 + 2 fact.

Answer: