Decimal Multiplication: Estimation & Models Challenge

A store sells a pack of 2.5 kg of rice for $3.75. How much would 4 packs cost? Estimate the total cost first.

• $18.75

• $10.50

• $12.00

• $15.00

Tags

CCSS.5.NBT.B.7

If a car travels 1.2 miles per gallon of gas, how many gallons will it need to travel 15.6 miles? Use a model to show your work.

• 10 gallons

• 5 gallons

• 13 gallons

• 20 gallons

Tags

CCSS.6.NS.B.3

A recipe calls for 0.75 cups of sugar. If you want to make 3 batches, how much sugar do you need in total? Estimate your answer first.

• 0.5 cups

• 2.25 cups

• 1.5 cups

• 3 cups

A pencil costs $0.85. If you buy 6 pencils, how much will you spend? Use a model to calculate the total cost.

• $4.50

• $3.40

• $5.10

• $6.00

Tags

CCSS.7.EE.B.3

A bottle holds 1.5 liters of juice. How much juice is in 4 bottles? Estimate the total volume first before calculating.

• 6 liters

• 10 liters

• 4 liters

• 8 liters

Tags

CCSS.3.MD.A.2

A farmer plants 2.3 acres of corn. If each acre produces 1.5 tons of corn, how much corn does he produce in total? Use a model to find the answer.

• 3.45 tons

• 1.5 tons

• 4.5 tons

• 2.3 tons

Tags

CCSS.7.EE.B.3

A book costs $12.50. If you buy 2.4 books, how much will you spend? Estimate the total cost first.

• $25.00

• $30.00

• $40.00

• $35.00

Tags

CCSS.5.NBT.B.7

If a fabric costs $4.75 per yard, how much will 5.5 yards cost? Use a model to calculate the total cost.

• $22.50

• $26.13

• $18.90

• $30.75

Tags

CCSS.7.EE.B.3

A box can hold 0.8 cubic meters of toys. If you have 3 boxes, how much space do the toys take up? Estimate the total volume first.

• 0.8 cubic meters

• 1.6 cubic meters

• 2.4 cubic meters

• 3.2 cubic meters

Tags

CCSS.3.MD.A.2

A recipe requires 0.6 liters of milk. If you want to make 5 recipes, how much milk do you need? Use a model to show your calculations.

• 1.2 liters

• 2.5 liters

• 3.0 liters

• 4.0 liters

Tags

CCSS.7.EE.B.3