Math Practice Adding and Subtracting to 20

The answer in ADDITION is called the

• sum

• difference

• cat

The numbers that we add together are called…

• difference

• addends

• subtract

Count on to add…

12 + 2 =

• 11

• 12

• 13

• 14

Count on to add…

17 + 3 =

• 19

• 20

• 21

• 22

Count back to subtract…

16 - 1 =

• 16

• 15

• 14

• 13

Count back to subtract…

20 - 2 =

• 19

• 18

• 17

• 16

Use doubles to add…

3 + 3 =

• 5

• 6

• 8

• 10

Use doubles to add…

7 + 7 =

• 10

• 14

• 17

Use doubles to subtract…

12 - 6 =

• 5

• 7

• 10

• 6

Use doubles to subtract…

10 - 5 =

• 2

• 3

• 5

• 7