Add Subtract Missing Addends

Count on to add .

6 + 2 =

• 7

• 8

• 9

• 10

Use the number line to subtract.

12 - 4 =

• 8

• 9

• 7

• 6

Use the fact family to find the difference.

• 8

• 10

• 9

• 7

Add the doubles facts. Then subtract.

• 14 / 7

• 18 / 9

• 16 / 8

• 20 / 10

Use the fact family to find the sum.

• 13

• 14

• 15

• 16

6 + 6 = 12

The related subtraction fact is :

• 11 - 6 = 5

• 6 - 6 = 0

• 12 - 6 = 6

• 12 - 1 = 11

Use the number line to help you add.

9 + 3 =

• 11

• 10

• 13

• 12

What doubles fact do the cubes below model?

• 7 + 7 = 14

• 5 + 5 = 10

• 6 + 6 = 12

• 8 + 8 = 16

Make a 10 to add. Add the other number to find the sum.

7 + 3 + 3 =

• 13

• 14

• 10

• 11

• 14

• 12

• 15

• 16