Estimating & Calculating Whole Numbers: Grade 5 Quiz

A bakery made 120 cookies. If they sold 45 cookies, how many cookies are left? Use estimation to find the answer.

• 80

• 90

• 75

• 65

A farmer has 250 apples. He gives away 75 apples to a local market. How many apples does he have now? Estimate the total first.

• 150

• 175

• 100

• 200

In a classroom, there are 30 students. If 12 students go on a field trip, how many students remain in the classroom? Use estimation to check your answer.

• 18

• 20

• 15

• 25

A library has 1,500 books. If 300 books are checked out, how many books are still in the library? Estimate first to see if your answer is reasonable.

• 1200

• 900

• 1500

• 1300

A toy store had 200 toys. They received a shipment of 50 more toys but sold 80 toys. How many toys are left? Use estimation to help with your calculation.

• 200 toys

• 170 toys

• 150 toys

• 120 toys

A soccer team scored 4 goals in the first half and 3 goals in the second half. How many goals did they score in total? Estimate the total goals first.

• 8

• 5

• 7

• 6

A gardener planted 150 flowers. If 40 flowers died, how many flowers are still alive? Use estimation to verify your answer.

• 110

• 120

• 90

• 100

A school has 600 pencils. If 150 pencils are given to students, how many pencils are left? Estimate the remaining pencils first.

• 600

• 150

• 450

• 300

A zoo has 80 animals. If 20 animals are added and 10 are sold, how many animals are there now? Use estimation to check your work.

• 90

• 80

• 100

• 70

A store had 500 items. They sold 250 items and received a new shipment of 100 items. How many items are in the store now? Estimate to see if your answer makes sense.

• 400

• 300

• 350

• 450