Estimating Sums and Differences: Decimal Word Problems

A store sells apples for $2.75 each. If you buy 4 apples, how much will you spend? Estimate the total cost by rounding the price of each apple to the nearest dollar.

• $10.00

• $12.00

• $15.00

• $8.00

Lily has $15.50. She buys a book for $7.25. How much money does she have left? Estimate the difference by rounding the book's price to $7.

• $7.25

• $8.25

• $9.50

• $10.00

Tom ran 3.5 miles on Monday and 2.75 miles on Tuesday. How many miles did he run in total? Estimate the sum by rounding each distance to the nearest whole number.

• 6 miles

• 5 miles

• 8 miles

• 7 miles

A pizza costs $12.99 and a drink costs $1.50. If you buy both, how much will you pay? Estimate the total by rounding the pizza price to $13 and the drink to $2.

• $15.49

• $13.99

• $12.00

• $14.49

Sarah has $20.00. She spends $8.45 on a toy and $5.60 on a game. How much money does she have left? Estimate the total spent by rounding to the nearest dollar.

• $8.00

• $7.55

• $5.00

• 6.00

A book costs $9.99 and a magazine costs $4.50. If you buy both, what is the total cost? Estimate the total by rounding the book to $10 and the magazine to $5.

• $15

• $14.50

• $12

• $16

Mark has $50.00. He buys a video game for $29.99. How much does he have left? Estimate the difference by rounding the game price to $30.

• $30.00

• $15.00

• $20.01

• $25.01

A bag of flour costs $3.75 and a bag of sugar costs $2.25. If you buy both, what is the total cost? Estimate the total by rounding the flour to $4 and the sugar to $2.

• $5.50

• $4.50

• $6.00

• $7.25

Jenny has $30.00. She spends $12.50 on lunch and $8.75 on a snack. How much money does she have left? Estimate the total spent by rounding lunch to $13 and snack to $9.

• $15.50

• $10.00

• $5.25

• $8.00

A concert ticket costs $45.50 and parking costs $10.00. If you go to the concert, how much will you spend in total? Estimate the total by rounding the ticket to $46 and parking to $10.

• $50

• $56

• $55

• $60