Decimals

Add / Subtract

100

1.1 + 1.7

2.8

200

3.28 + 2.93

6.21

300

3.5 - 0.8

2.7

400

3.9 + 4.51 

8.41

500

7.35 - 1.97

5.38

Power of 10

100

1.7 x 10³

1,700

200

2.37 x 1/10 

0.237

300

Answer as a power of 10.

4.06 x _____ = 4,060

10³

400

9 ÷ 1,000

0.009

500

Answer as a power of 10.

2.7 ÷ ____ = 0.027

10²

Mixed Bag

100

Write in standard form:

three hundred four and 19 hundredths

304.19

200

5 x 4.3

21.5

300

Write in standard form:

2 x 10 + 7 x 1 + 6 x 1/100 + 4 x 1/1000

27.064

400

2.31 x 7

16.17

500

Write in standard form:

67 tenths

6.7

Rounding

100

Round 2.4 to the nearest one.

2

200

Round 0.38 to the nearest tenth.

0.4

300

Round 2.169 to the nearest hundredth.

2.17

400

Round 12.72 to the nearest tenth.

12.7

500

Round 27.96 to the nearest one.

28

Comparing Decimals

100

1.32 ____ 2.14

<

200

1.32 ____ 1.075

>

300

2.34 _____ 2.340

=

400

1.47 _____ 1.6

<

500

1.63 _____ 0.074

>