Grade 5 Math: Rounding & Checking Your Work

A bakery made 245 cookies. If they sold 128 cookies in the morning and 67 in the afternoon, how many cookies are left? Round your answer to the nearest ten and check if your answer makes sense.

• 30

• 40

• 50

• 60

Sarah has 1,250 marbles. She gave 345 marbles to her friend and then bought 678 more. How many marbles does she have now? Round your answer to the nearest hundred and verify your calculation.

• 1500

• 1800

• 1300

• 1600

A farmer harvested 1,560 apples. He packed them into boxes of 48 apples each. How many full boxes did he pack? Round your answer to the nearest ten and check if it is reasonable.

• 25

• 40

• 30

• 35

A library has 3,245 books. If 1,678 books are checked out and 456 are returned, how many books are in the library now? Round your answer to the nearest hundred and confirm your work.

• 2000

• 1800

• 3000

• 2500

Tom read 125 pages of a book on Monday and 178 pages on Tuesday. If the book has 500 pages, how many pages does he have left to read? Round your answer to the nearest ten and check if it seems correct.

• 180

• 150

• 220

• 200

A toy store had 2,300 toys. They sold 1,245 toys during a sale and received a shipment of 600 new toys. How many toys do they have now? Round your answer to the nearest hundred and verify your calculations.

• 2000

• 1700

• 1800

• 1500

A school has 450 students. If 120 students are absent on a given day, how many students are present? Round your answer to the nearest ten and check if your answer is reasonable.

• 360

• 300

• 330

• 340

A car can travel 350 miles on a full tank of gas. If a family drives 120 miles to visit relatives and then 180 miles back home, how many miles can they still drive before needing to refuel? Round your answer to the nearest ten and confirm your work.

• 70

• 30

• 90

• 50

A restaurant served 1,200 meals in a week. If they served 450 meals on Monday and 350 meals on Tuesday, how many meals were served from Wednesday to Sunday? Round your answer to the nearest hundred and check if it makes sense.

• 300

• 600

• 400

• 500

A gardener planted 1,200 flowers. If 450 flowers bloomed and 300 wilted, how many flowers are still healthy? Round your answer to the nearest ten and verify your calculations.

• 900

• 600

• 1,000

• 750