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

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.

Answer:

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.

Answer:

Question 10.

Answer:

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: