Unit 2 Decimal Review

Comparing

100

<, >, or =

.236 ___ .326

>

200

<, >, or =

1.254 ___ 1.3

<

300

<, >, or =

0.100 ___ 0.1

=

400

<, >, or =

254.21 __ 25.421

>

500

<, >, or =

147.54 __ 147.504

<

Rounding

100

Round to the nearest tenth 

.214

0.2

200

Round to the nearest hundredth

5.247

5.23

300

Round to the nearest whole number 

9.741

10

400

Round to the nearest hundredth 

0.492

0.49

500

Round to the nearest tenth

2.99

3

Ordering

100

Least to greatest

0.23, 0.321, 0.241, 0.233

0.23, 0.233, 0.241, 0.321

200

least to greatest

1.24, 1.274, 1.2, 1.021

1.021, 1.2, 1.24, 1.274

300

greatest to least

4.244, 4.257, 4.287, 4.147

4.287, 4.257, 4.244, 4.147

400

What number COULD go in the blank?

1.247, 1.487, 1.987, _______

anything greater than 1.987

500

What could go in the blank?

0.244, 0.246, 0.258, _____, 0.261

anything between 0.258 and 0.261

Multiplying by Powers of 10

100

4.2 x 10

42

200

0.58 x 10¹

5.8

300

1.98 x 1,000

1,980

400

26.477 x 10²

2,647.7

500

0.987 x 10³

987

Dividing by Powers of 10

100

8.1 ÷  10

.81

200

5.87 ÷  10²

0.0587

300

987.1 ÷  100

98.71

400

3,147 ÷  1,000

3.147

500

12.02 ÷  10³

0.01202