Decimal Review

Place Value

100

Order the Decimals from greatest to least: 1.05, 1.5, 5.1, 1.005

5.1, 1.5, 1.05, 1.005

200

Which decimal is greater?

23.5107         or         23.54

23.54

300

What is 1000x greater than 0.23?

230

400

What would be 100x smaller than 2.01?

0.0201

500

Divide 105.54 by 10⁴

0.010554

Add/Subtract

100

Add:

2.5+1.8

4.3

200

Subtract:

50.4 - 10.8

39.6

300

Add:

50.25 + 20.9

71.15

400

Subtract:

11.29 - 3.5

7.79

500

Add:

89 + 105.3

194.3

Rounding

100

Round to the nearest tenth:

50.25

50.3

200

Round to the nearest hundredth:

50.254

50.26

300

Round to the nearest thousandth:

25.7894

25.789

400

Round to the nearest tenth:

2.98

3

500

Round to the nearest whole:

199.86

200

Multiply/Divide

100

Multiply:

2.2 x 4.5

9.9

200

Divide:

24.6 / 3

8.2

300

Divide:

125.25 / 5

25.05

400

Multiply

12.51 x 3.2

40.032

500

Divide:

108.72 / 1.2

90.6

Random

100

Solve:

105.65 / 10³

0.10565

200

2.45 + 1.65

3.10

300

100 - 50.85

49.15

400

6090 / 1.5 

4060

500

Write the following in expanded form:

1200.53

(1x1000) + (2x100) + (5 x 1/10 or 0.1) + (3 x 1/100 or 0.01)