Finding the Unknown Number in an Equation

25 + ? = 36

• 10

• 9

• 12

• 11

Tags

CCSS.1.OA.D.8

32 + ? = 46

• 14

• 16

• 15

• 12

Tags

CCSS.1.OA.D.8

? + 25 = 60

• 25

• 35

• 45

• 55

Tags

CCSS.1.OA.D.8

30 - ? = 14

• 18

• 14

• 17

• 16

Tags

CCSS.1.OA.D.8

What is the value of the unknown in the equation below?

54 = ? x 9

Tags

CCSS.3.OA.A.4

What is the value of the unknown? 
__ x 5 = 40

• 45

• 8

• 35

• 7

Tags

CCSS.3.OA.A.4

What is the value of the unknown number in the equation 36 = ☐ x 4 ?

• 10

• 9

• 8

• 7

Tags

CCSS.3.OA.A.4

What number makes this equation true?

7 x ∆ = 42

• 8

• 6

• 4

• 7

Tags

CCSS.3.OA.A.4

Find the value of a

5 x a =25

• a = 4

• a = 6

• a = 5

• a = 20

Tags

CCSS.3.OA.A.4

Select all the equations for which the missing number is 3.

• 6 x ? = 18

• ? ÷ 1 = 3

• 3 x ? = 6

• 23 ÷ ? = 7

• 7 x 3 = ?

Tags

CCSS.4.NBT.B.6