Module 1 Review

Adding/Subtracting Decimals

100

3.456 + 4.28 = ?

7.736

200

6.731 - 4.627 = ?

2.104

300

15. 4 - 12.98 = ?

2.42

400

10.657 + 12.48 + 6.471 = ?

29.608

500

15.741 - 9.998 = ?

5.743

Exponents

100

5.15 x 10²

515

200

85.3 x 10⁴

853,000

300

213,000 ÷ 10³ = ?

213

400

5,604 ÷ 10⁴ = ?

0.5604

500

0.068 X 10⁴ = ?

680

Comparing Decimals

100

Compare using >, <, or =.

5 tenths 2 hundredths _____ 0.052

5 tenths 2 hundredths  > 0.052

200

Compare using >, <, or =.

8 tenths - 3 hundredths _____ 3 hundredths

8 tenths - 3 hundredths > 3 hundredths

300

Compare using >, <, or =.

6 - 0.45 _____ 6.45

6 - 0.45 < 6.45

400

Compare using >, <, or =.

17 tenths - 4 tenths _____ 1.3

17 tenths - 4 tenths = 1.3

500

Compare using >, <, or =.

12 tenths + 4 tenths + 21 hundredths ____ 4.0

12 tenths + 4 tenths + 21 hundredths < 4.0

Rounding-Tenths

100

Round this number to the nearest tenth.

12.367

12.4

200

Round this number to the nearest tenth.

14.127

14.1

300

Round this number to the nearest tenth.

362.894

362.9

400

Round this number to the nearest tenth.

9.96

10

500

Round this number to the nearest tenth.

199.99

200

Rounding-Hundredths

100

Round this number to the nearest hundredth.

36.251

36.25

200

Round this number to the nearest hundredth.

421.368

421.37

300

Round this number to the nearest hundredth.

0.5674

0.57

400

Round this number to the nearest hundredth.

0.034

0.03

500

Round this number to the nearest hundredth.

9.846

9.85