Chapter 4 - Go Math - First Grade

Enter the number that is 3 less.

5 - 3 = _

Choose the "count back 1" number sentence.

• 5 - ? = 2

• 5 - ? = 4

• 6 - ? = 4

Enter the missing number.

Which subtraction sentence can you solve by using

4 + 1 = 5?

• 9 - 5 = 4

• 10 - 5 = 5

• 5 - 1 = 4

Lily has 12 books. She gives some away. She has 7 left. How many books does Lily give away?

• 7 book

• 5 books

• 3 books

Make a ten to subtract. Use the model to help you solve the problem.

15 - 7 = _

Make a ten to subtract. Enter the difference.

14 - 7 = _

Choose the "count back 2" number sentence.

• 5 - ? = 2

• 5 - ? = 4

• 6 - ? = 4

Jesse has 16 crayons. He gives some away. He has 7 left. How many crayons does he give away?

16 - _ = 7

Look at the number sentences.

Enter the missing number.