Subtraction Of Single Digit Whole Numbers

Front 1

8-3=

Back 1

5

Hint 1

5+3=

Front 2

4-2=

Back 2

2

Hint 2

2+2=

Front 3

7-4=

Back 3

3

Hint 3

3+4=

Front 4

5-2=

Back 4

3

Hint 4

3+2=

Front 5

7-5=

Back 5

2

Hint 5

5+2=

Front 6

8-6=

Back 6

2

Hint 6

2+6=

Front 7

9-6=

Back 7

3

Hint 7

3+6=

Front 8

8-4=

Back 8

4

Hint 8

4+4=

Front 9

9-4=

Back 9

5

Hint 9

5+4=

Front 10

6-3=

Back 10

3

Hint 10

3+3=

Front 11

6-4

Back 11

2

Hint 11

4+2=

Front 12

9-2=

Back 12

7

Hint 12

2+7=

Front 13

5-5=

Back 13

0

Hint 13

5+0=

Front 14

3-2

Back 14

1

Hint 14

2+1=

Front 15

Bonus:
10-5

Back 15

5

Hint 15

5+5=