Estimating Sums Practice

Estimate the sum of 527 + 215. Round to the nearest 100.

• 700

• 800

• 900

• 1000

Estimate the sum of 1,583 + 2,347. Round to the nearest 10.

• 3,890

• 3,900

• 3,910

• 3,920

Estimate the sum of 446 + 279. Round to the nearest 100.

• 700

• 800

• 900

• 1000

Estimate the sum of 118 + 879. Round to the nearest 100.

• 700

• 800

• 900

• 1000

Estimate the sum of 599 + 843. Round to the nearest 100.

• 900

• 1000

• 1500

• 1900

A farmer planted 83 tomato seeds and 76 pumpkin seeds. Which is the best estimate of the number of seeds the farmer planted in all?

• 160

• 200

• 260

• 300

Estimate the sum of 234 and 567.

• 800

• 1000

• 700

• 500

Find the estimated sum.

69 + 32 =

• 101

• 100

• 90

• 110

Estimate the sum of 432 and 198.

• 500

• 600

• 650

• 700

1.Estimate the sum: 43+22

• 55

• 50

• 60

• 20