Multiply fractions and whole numbers word problems

A batch of brownies requires \frac { 1 }{ 3 } of a can of cocoa powder. You want to make 4 batches.

How many cans of cocoa powder do you need?

Chris is putting new baseboards in his bedroom.The baseboard is 15 meters long and \frac { 9 }{ 10 }  meter wide.

What is the area of the baseboard?

Rishi spent \frac { 3 }{ 4 } of an hour each day for 2 days working on his science project.

Kim spent \frac { 1 }{ 4 } of an hour each day for 6 days working on his science project.

Who spent more time in total working on their science project?

Choose 1 answer:

Sophie’s dog has $8$8 chew toys. Annie’s dog has \frac { 1 }{ 4 } as many chew toys as Sophie’s dog.

How many chew toys does Annie’s dog have?

Darren practiced piano 5 days this week. He practiced \frac { 3 }{ 4 } of an hour each day.

How many hours did Darren practice piano this week?

Dina is getting a new rug for her hallway.  The rug is \frac { 5 }{ 6 } meter wide and 9 meters long.

What is the area of the rug?

Tess ran \frac { 4 }{ 3 } kilometers each day for 2 days.

Cam ran \frac { 2 }{ 3 } of a kilometer each day for 5 days.

Who ran more kilometers in total?

Choose 1 answer:

Kai ran \frac { 3 }{ 5 } of a kilometer yesterday. Today, he ran 6 times as far.

How many kilometers did Kai run today?

Ameer uses \frac { 1 }{ 4 } of a bottle of shampoo to give each of his dogs a bath. He has 5 dogs all together.

How many bottles of shampoo does Ameer need?

Sandy bought 6 medium cartons of blueberries. Each medium carton held \frac { 3 }{ 4 } liter of blueberries.

Lindsay bought 2 large cartons of blueberries. Each large carton held \frac { 9 }{ 4 } liters of blueberries.

Who bought more liters of blueberries?

Choose 1 answer:

Talia attended a 5-day math camp that lasted \frac { 5 }{ 6 } of an hour each day.

How many total hours did Talia spend at math camp?

Raul bought 6 tangerines and ate \frac { 2 }{ 3 } of them.

Omar bought 8 tangerines and ate \frac { 1 }{ 4 } of them.

Who ate more tangerines?

Choose 1 answer:

Mark and Damien were in a hot dog eating contest. Mark ate 12 hot dogs. Damien ate \frac { 4 }{ 6 } as many hot dogs as Mark.

A batch of peanut butter cookies requires \frac { 3 }{ 4 } of a jar of peanut butter. You want to make 3 batches.

How many jars of peanut butter do you need?

A gardener digs a flower bed that is 7 meters long and \frac { 3 }{ 4 } meter wide.

What is the area of the flower bed?

Last week, Becky went to dance class 4 times.  Each class was \frac { 3 }{ 2 } hours.

This week, Becky went to dance class 5 times. Each class was 1 hour.

Which week did Becky spend more total time in dance class?

Choose 1 answer:

An art teacher buys clay for an animation project. Each box of clay weighs \frac { 5 }{ 2 } kilograms. She buys 2 boxes of clay.

How many kilograms of clay did the teacher buy?

The pepper plant has \frac { 2 }{ 3 } as many fruits on it as the tomato plant has. The tomato plant has 9 fruits on it.

How many fruits does the pepper plant have on it?

Aliana uses beads that are \frac { 5 }{ 4 } centimeters long to make a necklace. She uses 3 beads all together.

How many centimeters of beads will Aliana use for the necklace?

Liz and Erin are different ages but eat from the same size of bowl.

Liz ate 4 servings of cereal. Each serving was \frac { 1 }{ 3 } of a bowl.

Erin ate 3 servings of cereal. Each serving was \frac { 2 }{ 3 } of a bowl.

Who ate more bowls of cereal?

Choose 1 answer:

You are planning a movie marathon. Each movie lasts \frac { 3 }{ 2 } hours. You want to watch 4 movies nonstop.

How many hours will your movie marathon last?

Katie’s hair grows \frac { 7 }{ 8 } of a centimeter each month.

How many centimeters will Katie’s hair grow over 5 months?