Decimals Unit Test Review

Place Value

100

Write the decimal in standard form

five and eighty-three hundredths

5.83

200

Write the decimal in expanded form

43.502

(4x10)+(3x1)+(5x1/10)+(2x1/1,000)

300

Write the decimal in word form

8.271

eight and two hundred seventy-one thousandths

400

Write the decimal in word form

(3x10)+(4x1/10)+(2x1/100)

thirty and forty-two hundredths

500

Write the decimal in two other forms

twelve and five hundred seventy six thousandths

12.576

(1x10)+(2x1)+(5x1/10)+(7x1/100)+(6x1/1,000)

Comparing Decimals

100

5.72 ______ 5.83

5.72 < 5.83

200

14.203 ______ 14.230

14.203 < 14.230

300

6.73 ______ 6.730

6.73 = 6.730

400

11.521 ______ 11.512

11.521 > 11.512

500

7.002 ______ 7.020

7.002 < 7.020

Ordering Decimals

100

3.2, 2.8, 3.7

2.8, 3.2, 3.7

200

5.8, 5.1, 5.4

5.1, 5.4, 5.8

300

0.7, 1.3, 0.76, 0.52

0.52, 0.7, 0.76, 1.3

400

4.2, 3.8, 4.71, 3.85

3.8, 3.85, 4.2, 4.71

500

7.25, 7.252, 7.2

7.2, 7.25, 7.252

Rounding Decimals

100

Round to the nearest tenth

5.712

5.700

200

Round to the nearest whole number

8.94

9.00

300

Round to the nearest hundredth

18.735

18.740

400

Round to the nearest tenth

5.536

5.500

500

Round to the nearest hundredth

9.650

9.650

Adding/Subtracting

100

 18.23 + 7.42

25.65

200

47.23 - 8.50

38.73

300

8.07  +  22.31

30.38

400

8.134  -  5.23

2.904

500

Andy found two skateboards that he likes. The price of the first skateboard is $83.27. The price of the second skateboard is $95.82. What is the difference in prices between the skateboards?

$12.55