Coach 13 14 Add and Subtract

What is the difference?

The models show the number of blocks that Juan and Beth used.

How many total blocks do Juan and Beth have?

Select Yes or No. Does the equation equal 15+30?

Drew has already saved $618 to buy a bike.

He needs another $793.

How much does the bike cost?

Frank did chores for 86 minutes on Saturday and for 39 minutes on Sunday. How much longer did Frank do chores on Saturday than on Sunday?

Erin had 45 books, and she bought 122 more books.

Which equation shows the amount of books she has now.

True or False?

True or False?

What number makes the equation true?

Which addition problem can you use to check the difference?