Decimals Review

Place Value

100

What place value is the 5 in?

21.534

tenths

200

What place value is the 4 in?

21.534

thousandths

300

What place value is the tens place?

21.534

2

400

What place value is 10 times SMALLER than the tenths place?

hundredths

500

What place value is ten times LARGER than the hundredths place?

tenths

Reading & Writing Decimals

100

Using a dry erase marker, write this number in EXPANDED FORM. 

sixty four and seven tenths

6x10 + 4x1 + 7x(1/10)

200

Using a dry erase marker, write this number in WORD FORM

7x1 + 6x(1/100) + 9x(1/1000)

7.069

300

Using a dry erase marker, write this number in

STANDARD FORM

nine thousand forty-three and sixteen hundredths

9,043.16

400

Which number is greater?

9x10 + 7x1 + 1x(1/10) + 8x(1/100)

ninety-seven and eighteen thousandths

9x10 + 7x1 + 1x(1/10) + 8x(1/100)

or 

97.18

500

Which is greater?

703.1

7x10 + 3x1 + 1x(1/10)

703.1

Comparing, Ordering, and Rounding Decimals

100

Compare the following decimals using >, <, or =

.042 ___ .42

<

200

Order the decimals from GREATEST TO LEAST

72.51, 7.251, 70.251

72.51, 70.251, 7.251

300

Round to the nearest whole number

43.92

44

400

Round to the nearest tenth

9.432

9.4

500

Compare the following numbers using >,<,=

$27.01 ___ $25.71

>

Adding & Subtracting Decimals

100

99.35-61.04

38.31

200

14 + .42

14.42

300

15.33-6.44

8.89

400

301.54 + 29.71

331.25

500

45 - 1.23

42.54

Multiplying Decimals

100

5.2 x 1.7

8.84

200

32.1 x 3

96.3

300

1.75 x 2.1

3.675

400

86.5 x .1

8.65

500

45 x .9

40.5