Multiply and Divide Decimals by Powers of 10

Multiply

100

1.5x10

15

200

2.23x100

223

300

1.67x1000

1,670

400

0.086 x ? = 0.86

x10

500

67.3 x ? = 6730

x100

Divide

100

89.5/10

8.95

200

7.65/100

0.0765

300

39.657/1000

0.039657

400

? / 100 = 3.25

325

500

? / 10 = 667

6,670

Powers of 10

100

3.5 multiplied by 10¹

35

200

7.65 divided by 10²

0.0765

300

9.89 multiplied by 10³

9,890

400

? x 10¹ = 6,750 

675

500

? / 10² = 98.63

9863

mm,cm,m,km

100

10cm = ?m

0.1m

200

34,800mm = ?cm

3480cm

300

21,987mm = ?m

21.987m

400

9m = ?mm

9000mm

500

153.4km = ?cm

15,340,000cm

Worded

100

Johnny purchased a pizza for $23.50. There are 10 slices. How much is 1 slice?

$2.35

200

Joshua purchased a bag of chocolates for $36.77. There are 100 chocolates in the bag. How much would 1000 chocolates cost?

$367.7

300

If Emma drew a 76,899mm line, how many cm would the line be?

7689.9cm

400

A roll of sticky tape spans 6 metres. How many km is the roll of tape?

0.006km

500

Samuel bought a box of chips for $1603.57. There are 1000 packets of chips in the box. How much would a box of 10 chips cost?

$16.0357