# Common Core: 1st Grade Math : Adding and Subtracting Within 20: CCSS.MATH.CONTENT.1.OA.C.6

## Example Questions

### Example Question #1 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #2 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #1 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #4 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #5 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #6 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #1 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #8 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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

### Example Question #9 : Adding And Subtracting Within 20: Ccss.Math.Content.1.Oa.C.6

Explanation:

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