Simple addition and subtraction

2 + 3 =

6 + 4 =

4 + 5 =

3 + 4 =

5 + 3 =

10 - 5 =

• 3

• 5

• 2

9 - 5 =

• 1

• 3

• 4

6 - 5 =

• 1

• 3

• 2

8 - 4 =

• 3

• 4

• 2

7 - 5 =

• 4

• 1

• 2