Ordering Decimals
Multiplying by 10, 100. 1000
Adding Decimals
Multiplying Decimals
Subtracting Decimals.
Dividing Decimals
Estimating
100

Put these decimals in order from smallest to biggest:

0.3, 0.9, 0.5

0.3, 0.5, 0.9


100

12.1 x 100

1,210

100

Add these decimals. 21.74 + 8.27

30.01

100

Multiply these decimals. 0.03 * 10

.3

100

Subtract these decimals.

3.53 - 2

1.53

100

654.3 / 10 = 

65.43

100

Estimate the answer to:

52 + 131

150

200

Put these decimals in order from smallest to biggest:

0.17, 0.1, 0.5

0.1, 0.17, 0.5

200

9,563 x 10 =

95,630

200

Add these decimals. 6.125 + 18

24.125

200

Multiply these decimals. 0.23 * 7

1.61

200

Subtract these decimals.

10.71 - 0.7

10.01

200

6.2 / 5 =

1.22

200

Estimate the answer to:

7.82 x 3.4

24

300

Put these decimals in order from smallest to biggest:

0.32, 0.27, 0.3

0.27, 0.3, 0.32 

300

52.1 x 1,000 =

52,100

300

Add these decimals. 5.2 + 3.11

8.31

300

Multiply these decimals. 4.4 * 5.3

23.32

300

Subtract these decimals.

2.54 - 1.82

0.72

300

16.38 / 7 =

2.34

300

Estimate the answer to:

54.3 / 12

5

400

Put these decimals in order from smallest to biggest:

0.54, 0.504, 0.5, 0.45

0.45, 0.5, 0.504, 0.54

400

0.321 x 100 =

32.1

400

Add these decimals. 17.809 + 9.54

27.359

400

Multiply these decimals.  12.7 * 26

330.2

400

Subtract these decimals.

32.05 - 17.29

14.76

400

22 / 8

2.75

400

Estimate the answer to:

3.42 + 5.68 x 139

Ms. Azriel 

500

Put these decimals in order from smallest to biggest:

1.83, 0.185, 1.8, 1.08, 1.803

0.185, 1.08, 1.8, 1.803, 1.83

500

59.8 x 1,000 =

59,800

500

Add these decimals. 4.67 + 29.1

33.77

500

Multiply these decimals. 2.5 * .7

1.75

500

Subtract these decimals.

60 - 35.72

24.28

500

128.4 / 6 =

21.4

500

Estimate the answer to:

0.37 x 1034 + 567

1000

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