# Common Core: 1st Grade Math : Subtracting within 20

## Example Questions

← Previous 1 3 4

### Example Question #1 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back

### Example Question #2 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back

### Example Question #3 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back

### Example Question #4 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back .

### Example Question #1 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back .

### Example Question #6 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back .

### Example Question #7 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back .

### Example Question #8 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back .

### Example Question #9 : Subtracting Within 20

Explanation:

To subtract we can count backwards. Start at  and count back