Powers of Ten Patterns
Multiply Decimals and Whole Numbers
Multiplication with
Decimals and Whole Numbers 2
Investigate • Decimal
Multiplication
Zeros in the Product
100

1 × 3.19 = _ 

10 × 3.19 = _ 

100 × 3.19 = _ 

1,000 × 3.19 =

3.19

31.9

319

3,190

100

2 × 0.8 =

1.6

100

9.8 × 6=

58.8

100

0.2 × 0.8 =

0.16

100

0.3 × 0.1=

0.03

200

2.07 × 1 =  

2.07 × 10 = 

2.07 × 100 = 

2.07 × 1,000 =

2.07

20.7

207

2,070

200

5 × 0.71 =

3.55

200

13.02 × 5=

65.10

200

0.5 × 1.7 =

0.85

200

0.05 × 0.8=

0.04

300

100 × 0.23 = 

101 × 0.23 =

102 × 0.23 = 

103 × 0.23 =

0.23

2.3

23

230

300

2 × 0.67 =

1.34

300

14.05 × 7=

98.35

300

0.4 × 1.9 =

0.76

300

0.05 ×0.4=

0.02

400

1 × 9,670 = 

0.1 × 9,670 =

0.01 × 9,670 =

9,670

967

96.7

400

4 × 0.23 =

0.92

400

23.82 × 5=

119.10

400

A certain type of bamboo plant grows 1.2 feet in 1 day. At that rate, how many feet could the plant grow in 0.5 day?

0.6 foot

400

0.02 × 0.3=

.006

500

Nathan plants equal-sized squares of sod in his front yard. Each square has an area of 6 square feet. Nathan plants a total of 1,000 squares in his yard. What is the total area of the squares of sod?

6,000 square feet

500

In physical education class, Sonia walks a distance of 0.12 mile in 1 minute. At that rate, how far can she walk in 9 minutes?

1.08 miles

500

One pound of grapes costs $3.49. Linda buys exactly 3 pounds of grapes. How much will the grapes cost?

 $10.47

500

The distance from the park to the grocery store is 0.9 mile. Ezra runs 8 tenths of that distance and walks the rest of the way. How far does Ezra run from the park to the grocery store?

0.72 mile

500

A certain type of nuts are on sale at $0.35 per pound. Tamara buys 0.2 pound of nuts. How much will the nuts cost?

$0.07

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