Place Value
Multiplying/Dividing by 10, 100, and 1000
Adding Decimals
Multiplying Decimals
Subtracting Decimals.
Dividing Decimals
100

In 9.81, what place is the 1 in?

Hundredths 

100

12.1 x 100

1,210

100

9 tenths + 34 hundredths = ____ hundredths 

124 hundredths 

100

Multiply these decimals. 0.03 X 9

.27

100

Subtract these decimals.

3.53 - 2

1.53

100

65.4 / 2 = 

32.7

200

169.87 What is the value of the 6?

60 

200

9,563 divided by 10 =

956.3

200

Add these decimals. 6.125 + 18

24.125

200

Multiply these decimals. 0.23 X 7

1.61

200

Subtract these decimals.

10.71 - 0.7

10.01

200

6.5 / 5 =

1.3

300

Write the number in unit form: 10.604

1 ten, 6 tenths, 4 thousandths 

300

52.1 x 1,000 =

52,100

300

Add these decimals. 5.2 + 3.11

8.31

300

Multiply these decimals by estimating: 4.4 X 9 =

4 x 9 = 36

300

Subtract these decimals.

2.54 - 1.82

0.72

300

16.38 / 2 =

8.19
400

Round  1.243 to the nearest tenth

1.2

400

0.321 x 100 =

32.1

400

Add these decimals. 17.809 + 9.54

27.349

400

Multiply these decimals.  12.7 X 6

76.2

400

Subtract these decimals.

32.05 - 17.29

14.76

400

22.82 / 4

5.705

500

Round 93.925 to the nearest whole number

94

500

59.8 divided by 100 =

0.598

500

Add these decimals. 4.67 + 29.1

33.77

500

Multiply these decimals. 3.52 X 7

24.64

500

Subtract these decimals.

60 - 35.72

24.28

500

128.4 / 6 =

21.4

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