Addition and Subtraction

How many objects in all?

• 10

• 8

• 7

• 12

Tags

CCSS.1.NBT.A.1

Find the sum.

9 + 2 = __

• 9

• 10

• 11

• 12

Find the difference.

8 - 5 = _

• 2

• 1

• 3

• 4

Find the sum.

12 + 7 = __

• 19

• 20

• 21

• 18

Find the missing addend.

8 + __ = 15

• 6

• 7

• 23

• 5

Find the missing number.

14 - __ = 9

• 6

• 7

• 8

• 5

Find the difference.

11 - 6 = _

• 5

• 6

• 17

• 15

Write a number sentence with the sum of 10.

__ + __ = ___

Select the missing numbers.

__, 10, 15, 20, __, 30

• 5, 25

• 5, 22

• 9, 21

• 9, 27

Solve.

6 + 6 = __

• 10

• 11

• 12

• 13