Ordering Decimals
Multiplying by 10, 100. 1000
Adding Decimals
Subtracting Decimals.
Dividing Decimals
Decimal Order of Operations
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

Subtract these decimals.

3.53 - 2

1.53

100

654.3 / 10 = 

65.43

100

Estimate the answer to:

5.2 + (1 / 10) = 

5.3

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

Subtract these decimals.

10.71 - 0.7

10.01

200

62 / 100 =

0.62

200

Estimate the answer to:

7.82 x 100 + 1

783

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

Subtract these decimals.

2.54 - 1.82

0.72

300

1638 / 1000 =

1.638

300

Estimate the answer to:

(54.3 / 10) + 2

9.43

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

Subtract these decimals.

32.05 - 17.29

14.76

400

22 000 / 10 000

2.2

400

Estimate the answer to:

(3.42 + 5.68) x 1000

9100

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

Subtract these decimals.

60 - 35.72

24.28

500

120/0.1 = 

1200

500

Estimate the answer to:

0.37 x 10 000 + (32 - 1)

3708