Whole number by decimals
Multiplying with Zeros
Decimals by decimals
Word Problem
100

9.8 x 2

19.6

100

0.87 x 0.04

0.0348

100

0.05 x 4.5

0.225?

100

Zach gets an allowance of $10 a week. He saves 0.20 of it. How much does he save each week?

$2 or $2.00

200

0.67 x 8

5.36

200

0.6 x 0.08

0.048

200

8.6 x 0.08

0.688

200

A new park will cover 17 acres. The planner will use 0.14 acres for a new basketball court. How much area will he use for the new court?

2.38 acres

300

0.457 x 3

1.371

300

5.02 x 0.002

0.01004

300

3.42 x 4.7

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?

108.8 pounds

400

45 x 0.003

0.135

400
3.04 x 0.009
0.02736
400

9.1 x 11.6

105.56

400

3.57 x 4.6

16.422

500

514 x 0.4

205.6

500

8.68 x 0.5

4.340 or 4.34

500

0.28 x 3.7

1.036

500

Brett bought 12 new books at the book fair. He paid $1.25 for each book. What was his total cost for the books?

$15 or $15.00

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