Decimal Operations
Expanded Form
Comparing Decimals
Rounding Decimals
Powers of 10
100

2.15 + 11.66

13.81

100

Write the decimal in expanded form: 1.89

1 + 0.8 + 0.09

100
Fill in the blank with <, >, or =. 89.01____89.001
>
100

Round 43.83 to the nearest tenth.

43.8

100
3.91 x 10,000=
39,100
200

20.5 - 5.25

15.25

200

Write the number in expanded form: 45.03

40 + 5 + 0.03

200
Fill in the blank with <,>, or =. 45.02 _____ 44.9
>
200
Round 67.345 to the nearest hundredth.
67.350
200
0.04 x 1,000,000=
40,000
300

4.2 x 0.15

0.63

300

Write the decimal in standard form: 8 + 0.4 + 0.05

8.45

300
What place value are you comparing when looking at the following decimals. 34.90 and 34.93
hundredths place
300

After rounding 45.834, the answer is 45.8. What place value was 45.834 rounded to?

tenths place

300

847 ÷  100=

8.47

400

18.9 ÷ 3

6.3

400

Write the decimal in standard form: (9 x 1,000)+(8 x 1)+(1 x 0.001)

9,008.001

400
Compare the two decimals using <,>, or =. 0.09____ 0.090
=
400

After rounding 24.89, the answer is 25. What place value was 24.89 rounded to.

ones/whole number

400

8,923 ÷  1,000=

8.923

500

268.8 ÷ 0.24

1,120

500

Write the decimal in standard form: (8 x 10,000)+(3 x 1,000)+(8 x 100)+(1 x 10)+(2 x 1)+ (3 x 0.01)

83,812.03

500
Compare the decimals using <,> or =. 8,903.001 _____ 8,930.001
<
500
Round 34.98 to the nearest tenths place.
35
500

34.98 ÷ 104

0.003498

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