Unit 1 Math Review

Metric Conversions

100

8.6 cm = _____mm

86mm

200

5 g = _____mg

5000mg

300

158.2 m = ______km

.1582 km

400

4691 mL = ______ L

4.691 L

500

0.427 kg = _______ mg

427,000 mg

Powers of 10

100

Solve:

0.456 x 10²

45.6

200

Solve:
1.43 x 10²

143

300

Solve:13.54 / 10²

.1354

400

Solve:
0.35 x 10³

350

500

Solve:
2.4 / 10²

.024

Expanded Form

100

Write in decimal form:

nine and three hundred sixty-two thousandths

9.362

200

Write in decimal form: 

two and sixteen hundredths

2.16

300

Read this decimal out loud:

15.304

Fifteen and three hundred four thousandths

400

Write in word form:

0.604

six hundred four thousandths

500

Write in decimal form:

(7 x 1) + (5 x 1/10) + (6 x 1/1000)

7.506

Comparing Decimals

100

Write an inequality statement:

0.82 _ 0.79

0.82 (greater than) 0.79

200

0.705 _ 0.75

0.705 (less than) 0.75

300

0.50 _ 0.5

0.50 (equal to) 0.5

400

0.008 _ 0.080

0.008 (less than) 0.080

500

Choose the smallest decimal:

3.96, 3.3, 3.06, 3.003, 3.401

3.003

Rounding Decimals

100

Round to the nearest hundredth:

14.039

14.04

200

Round to the nearest tenth:

3.24

3.2

300

Round to the nearest whole number:

7.68

8

400

Round to the nearest tenth:

9.573

9.6

500

Round to the nearest tenth:

8.996

9.0