Multiplying by Power of 10
Standard Algorithm
Word Problems
100

A book is 0.795 centimeters thick. How thick would 100 of these envelopes be?

79.5 centimeters thick

100

Solve 6.8 x 7

47.6

100

Every school day, Maddie rides the bus 5.34 miles round trip between home and school. Maddie rode the bus last month when there were 26 days. Find the total distance Maddie rode the bus last month.

A. 138.84 miles

B. 13.84 miles 

C. 154.78 miles

D. 139 miles

A. 138.84 miles

200

What is the value of 9.43 x 10^3

9,430

200

Solve 3.78 x 2.4

9.072

200

A student saves $3.75 each week. How much money does the student save after 6 weeks?

A. $225.00

B. $21.50 

C. $215.00

D. $22.50

D. $22.50

300

Which statement is correct?

A. 525 x 10^1 = 52.50 because the place value of 525 is increased by one place

B. 525 x 10^1 = 52.5 because the place value of 525 is decreased by one place 

C. 523 x 10^1 = 5230 because the place value of 523 is increased by one place

D. 523 x 10^1 = 5230 because the place value is decreased by one place 

C. 523 x 10^1 = 5230 because the place value of 523 is increased by one place

300

What is the product of twenty-eight hundredths and seven tenths.

0.196

300

JD is shopping for a frame for a square painting. Each side measures 8.7 inches. What is the area of the painting? (A = length x width)

75.69 inches

400
Emily said to solve 16.89 x 1000 that you need to move the decimal four times. Is she correct? Explain

She is incorrect. You need to move the decimal three times because there are three zeros

400

Solve 5.89 x 0.7

4.123

400

Ella says that 0.7 x 0.8 = 5.6. Is she correct or incorrect? Explain.

She is incorrect because it is a one number decimal times a one number decimal. Also, it is tenths times tenths which equals hundredths 

500

_______ x 10^3 = 7058.25

7.05825

500

Find the product of 7.59 x 4.6

34.914

500

A phone is 0.789 inches thick. How thick would 10 of these phones be?

7.89 inches

M
e
n
u