Multiplying Decimals

Whole Number x Decimal

100

5 x .04

0.2

200

6 x .5

3

300

.3 x 23

6.9

400

42 x 2.2

92.4

500

79 x 7.23

517.17

Whole Number x Decimal Part 2

100

27 x 0.8

21.6

200

45 x 4.6

207

300

62 x .003

0.186

400

.038 x 32

1.216

500

3203 x .0283

90.6449

Decimal x Decimal

100

.5 x .25

0.125

200

0.3 x 0.5

0.15

300

.23 x .3

0.069

400

.730 x .120

0.0876

500

2.12 x 2.12

4.4944

Decimal x Decimal Part 2

100

.20 x .5

0.1

200

.44 x .08

0.0352

300

1.2 x .02

0.024

400

.9 x 9.99

8.991

500

.028 x 3.25

 0.091

Misc

100

True Or False: When multiplying decimals I have to line them up first, then multiply.

False

200

What do you call two numbers that are multiplied together?

Factors

300

What is .5 written as a fraction? 

5/10 or ¹/₂

400

Convert to decimals, then multiply.

4/10 x 5/10

0.4 x 0.5= 0.2

500

Convert to a decimal then multiply.

1 ¹/10 x 2 3/10₌

1.1 x 2.3 = 2.53