Multiplying and Dividing Unit Fractions

When dividing fractions we...

• Keep, flip, change

• Multiply by the reciprocal

• Keep, change, flip

• All of these

When multiplying fractions, we...

• multiply by the reciprocal

• multiply across

• add and keep

• find common denominators

Find the product. 

• 2/14

• 1/49

• 2/7

• 1/14

Write a multiplication equation to represent the model below, and then solve.

• 1/4 + 1/4 + 1/4 = 3/12

• 1/4 x 4 = 1

• 1/4 x 3 = 3/4

• 1/4 x 3 = 3/12

Which division expression is equivalent to 1/5?

• 5 ÷ 1

• 1 ÷ 5

• 1 ÷ 2

• 1 ÷ 3

⅙÷3

• 1/12

• 1/6

• 1/18

• 18

Find the product.

• 3/50

• 30/5

• 6

• 1  1/5

12/4 = 3

1/12

1 1/3

3/3 = 1

12

• 12/4 = 3

• 1/12

• 1 1/3

• 3/3 = 1

• 12

Jessica ordered 4 pizzas. Which expression below could be used to represent the number of slices of pizza Jessica ordered if each slice is 1/6 of a pizza?

• 1/6 ÷ 4 = 1/24

• 4 ÷ 1/6 = 24

• 4 x 1/6 = 4/24

• 1/6 x 4 = 1/24

Find the product.

• 9/24

• 9/28

• 6/32

• 1/28