Dividing Fractions Review

Dividing Fractions Review

When dividing fractions, you need to multiply by the inverse fraction

Keep, Change, Flip

Multiple Choice

Which equation would you use to solve  $\frac{2}{3\ }\div\frac{1}{8}=$  

•  $\frac{2}{3}\times\frac{1}{8}$  

•  $\frac{2}{3}\times\frac{8}{1}$  

•  $\frac{1}{8}\times\frac{2}{3}$  

Multiple Choice

 $Which\ equation\ would\ you\ use\ you\ use\ to\ solve:\ \frac{4}{5}\div\frac{1}{2}$  

•  $\frac{1}{2}\div\frac{4}{5}$  

•  $\frac{4}{5}\div\frac{2}{1}$  

•  $\frac{4}{5}\times\frac{2}{1}$  

If any of the terms are mixed numbers, you must change it to an improper fraction before you solve.

Multiple Choice

Which equation would you use to solve  $5\ \frac{1}{3}\ \div\ \frac{2}{8}$  

•  $5\ \frac{1}{3}\ \times\ \frac{8}{2}$  

•  $\frac{2}{8}\div5\ \frac{1}{3}$  

•  $\frac{16}{3}\ \div\ \frac{2}{8}$  

•  $\frac{16}{3}\ \times\ \frac{8}{2}$  

Multiple Choice

Which equation would you use to solve  $3\ \frac{1}{3}\ \div\ \frac{4}{5}$  

•  $\frac{10}{3}\ \times\ \frac{4}{5}$  

•  $\frac{10}{3}\ \times\ \frac{5}{4}$  

•  $\frac{10}{3}\ \div\ \frac{4}{5}$  

To find a missing term,

use the inverse operation

Open Ended

How can you find the value of the missing term?

 $\frac{x}{y}\ \div\ \frac{2}{3}\ =\ \frac{9}{12}$  

Open Ended

 $\frac{x}{y}\ \div\ \frac{3}{8}\ =\ \frac{8}{12}$  Find the value of the missing term?

Solving Word Problems with Fractions

"Talk like a robot."

Fill in the Blanks

A recipe calls for  $1\ \frac{3}{4}$   cups of sugar. Kyla only has a 2/3 measuring cup. She adds 2/3 cups of sugar until the amount that she needs is less than 2/3, but then she adds another full 2/3 anyways (she likes sugar). How many times did she add sugar?

Fill in the Blanks

How many 5/8 cup servings are in   $1\ \frac{1}{4}$  ?

Fill in the Blanks

Ava uses   $5\ \frac{1}{2}$  liters of paint to paint mailboxes. Each mailbox takes  $\frac{1}{4}$  liter of paint. How many mailboxes can she paint?

Fill in the Blanks

Jamba juice uses  $2\ \frac{1}{2}$  pounds of mangoes per hour. Each smoothie takes  $\frac{1}{4}$  pounds of mangoes. How many smoothies do they make per hour?