Multiplying and Dividing Rational Numbers

A grocery store sells chicken for $3.30 per pound. What would be the cost of 2 1/2 pounds of chicken?

• $8.00

• $8.25

• $82.50

• $0.80

Tags

CCSS.7.EE.B.3

A team of workers took 225.5 hours to complete a task. A smaller team of workers will complete the same task, but it will take them 1.5 times as long as it took the first team. How long will it take the smaller team to complete the job?

• 338.25 hours

• 3382.50 hours

• 33.82 hours

• 400 hours

Tags

CCSS.7.EE.B.3

A recipe for cake requires 1/3 cup of milk. Molly wants to make 4/5 of the recipe. How many cups of milk should Molly use to make the cake?

• 4/15

• 5/12

• 1/5

• 6/8

Tags

CCSS.5.NF.B.6

A recipe for conchas requires 4/5 cups of flour. Estrella wants to make 1/2 of the recipe. How many cups of flour should Estrella use to make the conchas?

• 1/5

• 6/8

• 4/5

• 2/5

Tags

CCSS.5.NF.B.6

Tim's favorite peaches are $2.50 per pound at the local farmers’ market. She bought 3 pounds of the peaches. How much did she spend?

• $6.00
• $7.50
• $5.00
• $6.50

Tags

CCSS.6.NS.B.3

George has 1/3 pan of brownies. He eats 1/4 of them. What fraction did George eat?

• 1/7
• 1/4
• 1/3
• 1/12

Tags

CCSS.5.NF.B.6

When multiplying fractions you do what?

• KCF
• Find the least common denominator
• Multiply all of the numbers together
• Multiply top times top and bottom times bottom

Tags

CCSS.5.NF.B.6

Valerie bought a 9 ft piece of ribbon from which she wants to cut into 2/3 ft pieces. How many 2/3 ft pieces can Valerie cut?

• 13
• 6
• 9
• This is not possible.

One pound of strawberries cost $4.26. Anna buys 5 pounds of strawberries. How much will the strawberries cost?

• $2,130
• $21.30
• $21.03
• None of the above

Tags

CCSS.7.EE.B.3

• 5/12

• 7/13

• 2/3

• 8/13

Tags

CCSS.5.NF.B.6