Estimating Decimals Review

Random

100

Three ways (methods) to estimate decimals.

front-end estimation

rounding to a place value

compatible numbers

200

The best 6th grade math teacher.

Ms. Vogt

300

This method keeps the front number and turns all the other digits to zeros. 

front-end estimation

400

You need to know your place value positions to use this method.

rounding to a place value

500

This method's nickname is "easy numbers".

compatible numbers

Rounding to a Place Value

100

Round .459 to the nearest tenths.

.46

200

Round .04578 to the nearest thousandths

.046

300

Round .0069 to the nearest hundredths

.01

400

Round 5.00273 to the nearest whole number.

5

500

Round 148.048 to the nearest hundreds

100

Front-End Estimation

100

Estimate 11.489 using front-end estimation.

10

200

Estimate 874.1258 using front-end estimation.

800

300

Estimate 2,785.12545 using front-end estimation.

2,000

400

Estimate 6.77788 using front-end estimation.

6

500

Estimate 157,236.14 using front-end estimation.

100,000

Compatible Numbers

100

Find a compatible number for 6.12

(Be sure to show all your work.)

5

200

Find a compatible number for 14.489

15

300

Find a compatible number for 21.874

20

400

Find a compatible number for 124.347

125

500

Find a compatible number for 502.742

500