Topic 10 Multiply fraction by whole number

Caleb has 4 bags with 2/5 cup cereal in each bag.  He recorded this expression as:

             4 X 2/5

He decided to rearrange the cereal bag with 1/5 cup in each bag.  Which of the expressions represents Caleb’s cereal now? Write an expression to represent Caleb’s cereal now.

• 8 x 2/5

• 8 x 1/5

• 20 2/5

• 4 x 2/5

Jojo ordered 36 cupcakes for the party.  He ordered red velvet and vanilla cupcakes.  ¾ of the cupcakes are vanilla.  How many are red velvet?

• 27

• 108

• 3/8

• 9

Jean and Mia are keeping track of the number of minutes they run each week.

Jean ran for 56 minutes this week.

Jean ran for 31 minutes fewer than Mia.

If Mia sets a goal to run 4 times as many minutes next week as she ran this week, what should her goal be?

• 87

• 348

• 124

• 20

We went out to feed the ducks.  The ducks ate 8 bags of bread this week.  Last week, they ate ¾ as much bread as this week.  How many bags of bread did they eat last week?

• 16/4 bags

• 6 bags

• 4 bags

• 1/2 bag

Ellie bought a roll of 12 yards of wrapping paper.

She used 4 ⅖ on birthday gifts.

She used 3 ⅘ on holiday gifts.

How many yards of wrapping paper are left on the roll?

• 19 6/5 rolls are left

• 5 and 6/5 are left

• 4 and 1/5 are left

• 3 and 4/5 are left

Everett travels 2 ⅖ miles from home to school and 2 ⅖  miles from school to home each day.  He goes to school 5 days each week.  About how many miles does Everett travel to and from school each week?

• Between 10 and 12 miles

• Between 14 and 16 miles

• Between 21 and 24 miles

• Between 18 and 20 miles

Natalie is going to make bows for a party.  She need ¾ feet of ribbon for each bow.  How many feet of ribbon will she need to make 6 bows?

• 4 3/4

• 4 1/2

• 18/6

• 6/4

Griffin runs a trail that is 36 miles long every week.  On Monday, he ran 2/6 of the trail.  On Tuesday, he ran 3/6  of the trail.  On Thursday, he ran the rest of the trail.  How many miles did Griffin run on Thursday?

• 12 miles

• 18 miles

• 6 miles

• 5/6 miles

Sarah has a goal to run 5 miles every week.  During the first 4 days of this week, Sarah ran ¾ mile each day.  How many more miles does she need to run to meet her goal this week?

Which equation below could be used to find the number of miles that Sarah still needs to run? R represents the number of miles she needs to run.

• 4 + ¾ - R = 5

• 4 x ¾ + R = 5

• 5 - 4 + ¾ = R

• R= 4 x 3/4