Decimal Review

Rounding Decimals

100

Nearest tenth

16.34

What is 16.3?

200

Nearest hundredth

0.4668

What is 0.47?

300

Nearest thousandth

1.2693

What is 1.269?

400

Nearest whole number

39.624

What is 40?

500

Number that will round to 10.04 and is less than 10.04

What is 10.039 (for example)?

Multiply by 10

100

37

What is 370?

200

4.6

What is 46?

300

0.29

What is 2.9?

400

16.34

What is 163.4?

500

0.071

What is 0.71?

Multiply by 100

100

16

What is 1600?

200

3.18

What is 318?

300

37.6

What is 3760?

400

0.0379

What is 3.79?

500

6.0034

What is 600.34?

Multiply by powers of 10

100

1.4 X 10²

What is 140?

200

0.379 X 10³

What is 379?

300

4.6 X 10⁴

What is 46,000?

400

0.37914 X 10⁵

What is 37,914?

500

4.307 X 10⁶

What is 4,307,000?

Divide by 10

100

64

What is 6.4?

200

3.62

What is 0.362?

300

17.629

What is 1.7629?

400

0.34

What is 0.034?

500

0.0716

What is 0.00716?