Dividing Fractions

Vera is using her phone. The battery life is down to 2/5. It drains 1/10 every hour. How long will the battery last?

• 2 hours

• 4 hours

• 6 hours

• 8 hours

Tags

CCSS.7.RP.A.1

True or False: Dividing a number by a fraction is the same as multiplying a number by the reciprocal of the fraction?

• True

• False

What is the missing value?

 $\frac{8}{13}\div\ \frac{4}{9}=\ \frac{8}{13}\cdot\ \frac{?}{4}$  

(a)  

Tags

CCSS.6.NS.A.1

A chocolatier has 5/6 cups of chocolate to make candy bars. She will need 1/12 of a cup to make one candy bar. How many candy bars can she make? 

• 5/72 candy bars

• 8 candy bars

• 10 candy bars

• 1/10 candy bars

• 12 candy bars

Tags

CCSS.6.NS.A.1

What is the rule for dividing fractions? 

• keep, change, opposite
• keep, change, reciprocal
• keep, keep, change
• keep, keep, opposite

Tags

CCSS.6.NS.A.1

You have 2/3 quart of lemonade. If an equal amount of lemonade is poured into each of 6 glasses, how much lemonade will each class contain?

• 1/9 quart

• 1/4 quart

• 4 quarts

Tags

CCSS.5.NF.B.7A

CCSS.5.NF.B.7C

Rohan paints 1/5 the fence surrounding his house each day. How many days will it take him to paint 3/4 of the fence?

• 4/15 of a day

• 3 3/4 days

• 5 days

Tags

CCSS.6.NS.A.1

¹/₄  ÷  ²/₅

• ⁵/₈
• 2/20
• ¹/₁₀
• ³/₉

Tags

CCSS.6.NS.A.1

What is the reciprocal of 2 ?

• 2/1
• 1/2
• 2
• none of the above

Tags

CCSS.5.NF.B.3

What is another name of flip?

• Flip
• Reciprocal