Addition
Subtraction
Mental Math
Story Problems
Vocabulary
100

What is the sum of 5 + 6 = _____ ?

11

100

What is the difference of 9 - 3 ? 

6

100

18 - 9 = ?

9

100

You have 7 balloons and your friend has 5 balloons. How many more balloons do you have than your friend?

2 balloons

100

When you take one part away from a whole you ______?

A. count back

B. Addend

C. subtract

C. Subtract

200

What is the sum of 7 + 8 = _____ ?

15

200

What is the difference of 8 - 5 ? 

3

200

16 - 8 = ?

8

200

12 birds were sitting on the fence. 4 more birds came to join them. How many birds are sitting on the fence?

16 birds

200

The two numbers you add together in an addition sentence are called the ________?

A. related facts

B. add

C. Addends

C. Addends

300

What is the sum of 8 + 9 = _______ ?

17

300

What is the difference of 10 - 3 ?

7

300

14 - 7 = ?

7

300

You have 17 cookies and you ate 5 of them. How many cookies do you have left?

12 cookies

300

You can _____ to subtract 2 from a number. 

A. fact family

B. count back

C. add

B. count back
400

What is the sum of 11 + 5 ___________? 

16

400

What is the difference of 18 - 7 ? 

11

400

6 + ______ = 12

6

400

A dog has 4 legs. How many legs do 2 dogs have?

8 legs

400

To _______, you join two parts together. 

A. add

B. subtract

C. fact family

A. add

500

What is the sum of 12 + 7 ________ ? 

19

500

What is the difference of 19 - 9 ?

10

500

18 = 9 + _____

9

500

13 raccoons are playing in the woods. 4 go home to eat dinner. How many raccoons are left in the woods?

9 raccoons

500

Addition and subtraction facts that use the same three numbers can be called a ________ or ________.

A. add, count on

B. fact family, related facts

C. count back, subtract

B. fact family, related facts