Estimation Practice

Round to the nearest hundred to find the difference.

783 - 124 =

Round to the nearest hundred; then estimate:

546 −209

To estimate the product of 70 x 1.65, we first __ 1.65 to the nearest whole number.

• round

• multiply

• subtract

• divide

This estimation method is useful for getting a __ answer quickly.

• approximate

• exact

• random

• detailed

Estimate the difference between 2,456 and 1,123 by rounding to the nearest thousand before subtracting.

• 1,000

• 1,500

• 2,000

• 2,500

Round the number 1,534 to the nearest ten.

• 1,530

• 1,540

• 1,500

• 1,550

Estimate the sum of 489 and 267 by rounding to the nearest hundred before adding.

• 700

• 750

• 800

• 850

The nearest whole number to 1.65 is __.

• 2

• 1

• 3

• 0