Decimals and Estimation: Multiplication Challenge for 5th Grade

A bakery sells cupcakes for $2.50 each. If a customer buys 4 cupcakes, how much will they spend? Estimate the total cost first.

• $10.00

• $7.50

• $12.50

• $15.00

Tags

CCSS.5.NBT.B.7

A recipe requires 3/4 of a cup of sugar. Convert this fraction to a decimal and then calculate how much sugar is needed for 5 batches of the recipe.

• 3.75 cups of sugar

• 1.5 cups of sugar

• 4.5 cups of sugar

• 2.5 cups of sugar

Tags

CCSS.6.NS.B.3

A book costs $12.99. If you buy 3 books, what is the total cost? Estimate the total before calculating the exact amount.

• $24.99

• $45.50

• $36.00

• $38.97

Tags

CCSS.5.NBT.B.7

A car travels 2.5 miles per gallon of gas. If it needs to travel 150 miles, how many gallons of gas will it need? Estimate the gallons first.

• 30 gallons

• 100 gallons

• 75 gallons

• 60 gallons

A farmer has 2.5 acres of land. If he plants corn on 1.5 acres, how much land is left? Convert the acres to decimals if necessary.

• 1.0 acres

• 2.0 acres

• 0.5 acres

• 1.5 acres

Tags

CCSS.5.NBT.B.7

A toy costs $15.75. If you buy 2 toys, what is the total cost? Estimate the total cost before calculating the exact amount.

• $25.00

• $32.50

• $31.50

• $30.75

Tags

CCSS.5.NBT.B.7

A pizza is cut into 8 slices. If you eat 3/8 of the pizza, how much is left? Convert the fraction to a decimal to help with your answer.

• 0.625

• 0.25

• 0.75

• 0.5

A school has 250 students. If each student needs 0.5 pounds of supplies, how many pounds of supplies are needed in total? Estimate the total weight first.

• 100 pounds

• 150 pounds

• 125 pounds

• 200 pounds

A bottle holds 1.5 liters of juice. If you fill 4 bottles, how much juice do you have in total? Estimate the total volume first.

• 10 liters

• 6 liters

• 8 liters

• 4 liters

Tags

CCSS.3.MD.A.2

A pack of markers costs $4.25. If you buy 6 packs, what is the total cost? Estimate the total cost before calculating the exact amount.

• $18.50

• $25.50

• $20.75

• $30.00

Tags

CCSS.5.NBT.B.7