Addition/Subtraction with Missing Variables

3. Solve for z: 15 + z = 27

• 12

• 20

• 30

• 10

Tags

CCSS.1.OA.D.8

9. Solve for f: 22 + f = 35

• 13

• 10

• 18

• 25

Tags

CCSS.1.OA.D.8

Solve for x: 5 + x = 12

• 10

• 15

• 3

• 7

Tags

CCSS.1.OA.D.8

5. Solve for b: 12 + b = 25

• 20

• 15

• 13

• 10

Tags

CCSS.1.OA.D.8

What unknown number makes this equation true?

743 + 7 = 700 + _____

• 750

• 50

• 700

• A

• B

• C

Tags

CCSS.2.NBT.B.7

Find each unknown. 123 + __ = 175

• 30

• 32

• 33

• 52

Tags

CCSS.1.OA.D.8

• 6

• 7

• 8

• 9

Tags

CCSS.1.OA.D.8

1+?=6

• 1

• 2

• 5

• 7

Tags

CCSS.1.OA.A.1

Juan had 32 bottle caps. After he gave some to his brother Dario, he had 17 left.

Which number sentence shows one way to find the number of bottle caps Juan gave to Dario?

• 32 ÷ 17 = ?

• 32 + ? = 17

• 32 + 17 = ?

• 32 - ? = 17

Tags

CCSS.2.OA.A.1