Inverse Operations

What is the missing number in this fact family? 4 x ____ = 20; _____ x 4 = 20; 20 ÷ 4 = _____; 20 ÷ _____ = 4

• 3

• 4

• 5

• 6

What is the missing number in this fact family? 8 x ____ = 40; _____ x 8 = 40; 40 ÷ 8 = _____; 40 ÷ _____ = 8

• 4

• 5

• 6

• 7

What is the missing number in this fact family? 3 x ____ = 21; _____ x 3 = 21; 21 ÷ 3 = _____; 21 ÷ _____ = 3

• 5

• 6

• 7

• 8

What is the Inverse Operation of Multiplication?

• Addition

• Subtraction

• Division

• Exponentiation

What is the Inverse Operation of 10 - 4?

• 10 = 4 + 6

• 10 = 4 - 6

• 10 = 4 * 6

• 10 = 4 / 6

If 7 x 3 = 21, what is the inverse operation to find 7?

• 21 ÷ 3 = 7

• 7 ÷ 3 = 21

• 3 x 7 = 21

• 21 x 3 = 7

What is the inverse operation of 10 ÷ 2?

• 10 = 2 x 5

• 10 = 5 x 2

• 10 = 2 + 5

• 10 = 5 - 2

What is 12 ÷ 4?

• 1

• 2

• 3

• 4

If 15 - 5 = 10, what is the inverse operation to find 5?

• 10 + 5 = 15

• 15 - 10 = 5

• 5 + 5 = 10

• 10 - 5 = 5

What is 5 x 2?

• 8

• 9

• 10

• 12