x 10, 100, 1,000
Whole # x decimal to tenths
Whole # x decimal to hundredths or thousands
Multiplying Decimal by Decimal Challenge
Story Problems
100
0.009 x 10
What is 0.09
100

9.8 x 2

What is 19.6?

100

84 × 2.36

198.24

100
0.05 x 4.5
What is 0.225?
100

A bakery sells 125 muffins, and each muffin costs $1.25.
How much money will the bakery make if all the muffins are sold?

$156.25.

200
0.45 x 100
What is 45?
200

45 × 2.3

103.5

200

157 × 0.482

75.674

200
8.6 x 0.08
What is 0.688?
200

A farmer fills 86 bags of grain. Each bag weighs 12.75 kilograms.
What is the total weight of all the bags?

1,096.5 kilograms.

300
3.1 x 1,000
What is 3,100?
300

63 × 5.2

327.6

300

29 × 3.75

108.75

300
3.42 x 4.7
What is 16.074?
300

In Mrs. Parkerson's science class, each of the 32 students received 3.4 pounds of sugar for a project. How much sugar did the class use?

What is 108.8 pounds?

400
0.062 x 100
What is 6.2?
400

207 × 3.5

724.5

400

93 × 7.048

655.464

400
9.1 x 11.6
What is 105.56?
400

A pool fills 1.15 gallons per minute. How many gallons will it hold after 240 minutes?

276 gallons

500
2.89 x 10 2.89 x 100 2.89 x 1000
What is 28.9. 289. 2,890?
500

514 x 0.4

What is 205.6?

500

8.68 x 54

468.72

500
0.28 x 3.7
What is 1.036?
500

A bookstore ordered 58 boxes of new books. Each box costs $34.89.
What is the total cost of the book order?

$2,023.62.