Decimal Review

Reading/Writing Decimals

100

Write the decimal in word form. 45.89

forty-five and eighty-nine hundredths

200

Write the decimal in standard form. two-thousand, five hundred fifty-five and two tenths

2,555.2

300

Write the decimal in word form. 678.23

six hundred seventy-eight and twenty-three hundredths 

400

Write this number in standard form: 

three hundred seventy two thousand, five hundred fifty six and thirty four hundredths 

372,556.34

500

Write the number in word form. 8,806,002.01

eight million, eight hundred six thousand, two and one hundredth

Expanded Form

100

Write the decimal in expanded form. 1.89

(1 x 1)+(8 x 0.1)+(9x0.01)

200

Write the number in expanded form. 45.03

(4 x 10)+ (5 x 1)+(3 x 0.01)

300

Write the decimal in standard form. (8 x 1)+(4 x 1/10)+(5 x 1/100)

8.45

400

Write the decimal in standard form. (9 x 100) + ( 8 X 10) + ( 3 X 1) + ( 5 X 1/10) + (6 X 1/100) + ( 7 X 1/1,00)

983.567

500

Write the decimal in expanded form. 83,812.03

(8 x 10,000)+(3 x 1,000)+(8 x 100)+(1 x 10)+(2 x 1)+ (3 x 0.01)

Comparing Decimals

100

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

>

200

Fill in the blank with <,>, or =. 45.02 _____ 44.9

>

300

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

hundredths place

400

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

=

500

Compare the decimals using <,> or =. 8,903.001 _____ 8,930.001

<

Rounding Decimals

100

Round 43.83 to the nearest tenth.

43.8

200

Round 67.345 to the nearest hundredth.

67.350

300

Round 4.946 to the nearest tenth

4.9

400

Round 3.053 to the nearest hundredth

3.05

500

Round 34.98 to the nearest tenths place.

35

Powers of 10

100

3.91 X 100

391

200

1.35 / 10

.135

300

23.567 X 10

235.67

400

156.895 X 100

15,689.5

500

1.3 / 100

0.013