Multiplying Decimals
Multiplying Decimals by Powers of 10
Dividing Decimals
Dividing Decimals by Power of 10
Spiral Questions!!!
100

0.3 x 5

1.5

100

4.5 x 10

45

100

 324.5÷5

64.9

100

73.8÷10

7.38

100

1.2 + 3

4.2

200

.3 x 20

6

200

32.34 x 10

323.4

200

11.68÷4

2.92

200

89÷10

8.9

200

Do we line up the decimals when we Multiply?

No

300

4.67 x 8.2 

38.294


300

1.52 x 100

152

300

 14.78÷5

2.956

300

321.9÷100

3.219

300
Where is the decimal if the number is a whole number?

behind the last number 

400

10.3 x 5.6

57.68

400

62.5 x 100

6,250

400

20.93÷7

2.99

400

0.35÷100

0.0035

400

6.2 - 5.8 

0.4

500

15 x 4.38

65.7

500

51.32 x 1,000

51,320

500

 17.73÷9

1.97

500

456÷1,000

0.456

500

24.52 x ? = 24,520

1,000

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