Solve for the Unknown Number

What is the missing number in the equation: ___ + 27 = 17 + 28?

Tags

CCSS.1.OA.B.3

What is the missing number in the equation: ___ - 18 = 26 - 23?

Mathematical Equivalence

ON

Tags

CCSS.1.OA.B.3

Solve for the unknown

4x____=32

• 7

• 8

• 4

• 6

Tags

CCSS.3.OA.B.6

Solve for the unknown

___x6=18

• 3

• 2

• 1

• 4

Tags

CCSS.3.OA.B.6

Solve for the unknown

3x___=30

• 10

• 9

• 7

• 8

Tags

CCSS.3.OA.B.6

Solve for the unknown

7x___=21

• 2

• 4

• 3

• 1

Tags

CCSS.3.OA.B.6

Solve for the unknown

___x5=35

• 5

• 3

• 4

• 7

Tags

CCSS.3.OA.B.6

3 x __ = 15

• 5

• 6

• 7

• 4

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

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

54 = ? x 9

Tags

CCSS.3.OA.A.4