Representing and Solving Problems Involving Addition and Subtraction Within 20

7+3=

• 19

• 10

6-3=

• 3

• 4

• 6

• 1

1-1=

• 0

• 1

• 2

• 3

9 - 3 = ?

? + 3 = 9

• 12

• 6

• 3

7 + 5 =

• fifteen

• fourteen

• thirteen

• twelve

8 - ? = 4

? + 4 = 8

• 1

• 4

• 12

4+11

8 - 4 =

• 4

• 12

• 2

• 6

13 + 5

• 17

• 18

• 19

Add the numbers using the number line. What is the sum?

20 + 0 = _____

• 22

• 2

• 200

• 20