Envision Math 2nd Grade Textbook Answer Key Topic 1.4 Stories About Separating

Question 1.
__ – ___ = ___

Question 2.
__ – ___ = ___

Question 3.
__ – ___ = ___

Question 4.
__ – ___ = ___

Home Connection Your child used connecting cubes to show subtraction. Then he or she wrote a subtraction
sentence.
Home Activity Ask your child to count a set of small objects, such as paper clips. Ask your child to make up a story in
which some of the items are separated from the set. Then have your child say the corresponding subtraction sentence.
AF 1.0 Students model, represent, and interpret number relationships to create and solve problems involving
addition and subtraction. Also AF 1.2, AF 1.3.

Guided Practice

Draw a picture to find the difference. Then write a subtraction sentence.

Question 1.
Nick finds 14 shells. He gives 9 shells to Ella. How many shells does Nick have left?

Question 2.
Sue has 10 stones. She puts 7 in the water. How many stones does Sue have now?

__ – __ = __
__ stones
Do you understand? How do you find the difference in a separating story?

Independent Practice

Draw a picture to find the difference. Then write a subtraction sentence.

Question 3.
There are 10 beach balls. The wind blows 4 of the balls away. How many balls are left?

__ – __ = ___
__ balls

Question 4.
Tia sees 15 sand crabs. 8 hide in holes in the sand. How many sand crabs does Tia see now?

__ – __ = ___
__ sand crabs

Problem Solving

Draw a picture to find the difference.Then write a subtraction sentence. Stories About Separating

Question 5.
There are 11 birds swimming. 7 birds fly away. How many birds are swimming now?
____ birds