# Common Core: 1st Grade Math : Find the Missing Number in Addition and Subtraction Equations: CCSS.MATH.CONTENT.1.OA.D.8

## Example Questions

### Example Question #1 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #2 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #3 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #4 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #1 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #6 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #7 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #8 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #9 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________

Explanation:

To find the missing piece of an addition problem, you can take the biggest number minus the smallest number. , which means .

### Example Question #10 : Find The Missing Number In Addition And Subtraction Equations: Ccss.Math.Content.1.Oa.D.8

Fill in the blank.

__________