Estimating Decimal Sums in Everyday Situations

A store sells apples for $1.25 each. If you want to buy 4 apples, estimate the total cost by rounding the price to the nearest dollar. What is your estimated total?

• $2.50

• $5.00

• $3.00

• $4.00

Tags

CCSS.5.NBT.B.7

Liam has $15.75. He wants to buy a book that costs $9.99. Estimate how much money he will have left after buying the book by rounding the book's price to the nearest dollar. How much will he have left?

• $4.75

• $6.75

• $5.75

• $7.99

A recipe calls for 2.5 cups of flour. If you want to make half the recipe, estimate how many cups of flour you will need by rounding 2.5 to the nearest whole number. How many cups will you use?

• 1 cup

• 3 cups

• 2 cups

• 1.5 cups

Tags

CCSS.5.NBT.B.7

Samantha ran 3.6 miles on Monday and 4.2 miles on Tuesday. Estimate the total distance she ran over the two days by rounding each distance to the nearest whole number. What is your estimated total distance?

• 8 miles

• 6 miles

• 9 miles

• 7 miles

A pizza costs $12.99. If you want to buy 3 pizzas, estimate the total cost by rounding the price of one pizza to the nearest dollar. What is your estimated total cost for the pizzas?

• $36

• $45

• $39

• $30

Tags

CCSS.5.NBT.B.7

A bottle of juice costs $2.49. If you buy 5 bottles, estimate the total cost by rounding the price of one bottle to the nearest dollar. What is your estimated total?

• $8.00

• $12.00

• $10.00

• $15.00

Tags

CCSS.5.NBT.B.7

A car travels 15.8 miles on a gallon of gas. If you need to drive 50 miles, estimate how many gallons of gas you will need by rounding the distance per gallon to the nearest whole number. How many gallons will you estimate?

• 4

• 5

• 3

• 2

Tags

CCSS.5.NBT.B.7

Emily has 10.5 yards of fabric. She uses 3.2 yards for a project. Estimate how much fabric she has left by rounding the amount used to the nearest whole number. How much fabric does she have left?

• 8.2 yards

• 7.5 yards

• 5.0 yards

• 6.3 yards

A box of cereal costs $4.75. If you buy 2 boxes, estimate the total cost by rounding the price of one box to the nearest dollar. What is your estimated total cost?

• $12.00

• $9.75

• $10.00

• $8.50

Tags

CCSS.5.NBT.B.7

A school fundraiser sells cookies for $0.85 each. If a student buys 6 cookies, estimate the total cost by rounding the price of one cookie to the nearest dollar. What is your estimated total cost for the cookies?

• $6.00

• $5.00

• $4.50

• $7.00

Tags

CCSS.5.NBT.B.7