Powers of 10 Review

Word Problems

100

An electrician paid $379.91 total for 1,000 feet of wire. How much does he pay per foot of wire?

0.37991

200

Billy has put 100 hours into playing an online video game. He has paid $78.28 over the course of the entire game. How much did he pay per hour played?

0.7828

300

At the hardware store Lana bought a box with 100 nails and paid $2.16 total. What is the price per nail?

0.0216

400

Paul's water bill this month was $21.41. Looking at the water bill, it says he used exactly 10,000 gallons of water. How much does he pay per gallon of water used?

0.002141

500

A candy store in the mall orders 1,000 boxes of candy a month. Each box of candy weighs 57.3 grams. What is the total weight (in grams) of the candy the store orders?

57,300

More Word Problems

100

Marcia and Jan each multiplied  

5.6 x 10 and 7.21 x 10   

Marcia got 56 and 72.1 for her products. 

Jan got 56 and 721 for her products. 

Who multiplied correctly?

Marcia!

200

Last Halloween, Allana only got 8 pieces of candy. She is determined to get a lot more this year. If Allana gets 10 times the amount she got last year, how much candy will Allana get?

80

300

Gianna arrived late to Jump Rope club this week and only jumped 23.5 times. If Gianna jumped 100 times that amount last week, how many jumps did Gianna do?

2,350 Jumps

400

Mrs. Murphy enjoys going on road trips over the summer. Last summer, she drove 18,456 miles. If she drove 10 x less this summer, how many miles did she drive?

1,845.6

500

Mrs. Sellar buys tons of diapers for her kids every year. Last month she bought 3 packs of diapers for $50.99 each. If she buys 10 x that amount throughout the year, how much money will she spend on diapers this year?

$50.99 x 3 = $152.97

$152.97 x 10 = $1,529.70

Powers of 10 Expanded Form

100

FREE SPACE

FREE SPACE!

200

650,000 ÷ 10²

What is 6,500?

300

461,000 ÷ 10³

What is 461?

400

35,400 ÷ 10¹

What is 3,540

500

340,000 ÷ 10⁵

What is 3.4

Dividing Decimals with Powers of 10

100

15.3 ÷ 10²

What is 0.153?

200

231 ÷ 10³

What is 0.231 ?

300

774.6 ÷ 10² 

What is 7.746

400

3,974 ÷ 10⁵

What is 0.03974?

500

5.403 ÷ 10¹

What is .5403?

Multiplying Decimals with Powers of 10

100

5.32 x 10²

What is 532 ?

200

4.2231 x 10³

What is 4,223.1?

300

0.0752 x 10⁴

What is 752 ?

400

4,325.201 x 10¹

What is 43,252.01?

500

1.56 x 10³

What is 1,560