Find the Product
Steps
Find the Mistake
Tens
Multiply by a whole number
100

4.1 x 0.5 = 

2.05

100

What is step #1? 

Use standard algorithm (pretending the decimals are not there) 

100

2.21 x 3 = 6.61

6.63

100

0.752 x 10 = 

7.52

100

9.2 x 39 =

358.8

200

1.1 x 2.2 =

2.42

200

What is Step 2 to multiplying decimals?

count how many # are behind the decimal in the factors

200

4.32 x 3 = 10.96

12.96

200

1000 x ______=232 

0.232

200

3.05 x 26 =

79.3

300

82.1 x 0.3 =

24.63

300

What is Step 3 to multiplying decimals?

Put the decimal that many places in from the right

300

5.64 x 4 = 22.46

22.56

300

60.1 x 10

601 or 601.0

300

8.39 x 62 =

520.18

400

92.1 x 0.2 =

18.42

400

45.3 x 6

271.8

400

6.75 x 5 = 30.75

33.75

400

0.032 x ____= 3.2

100 

400

5.052 x 19 =

95.988

500

27.23 x 0.55 =

14.9765

500

List all the steps to multiplying decimals. 

Step 1: Use standard Algorithm to multiply (pretending the decimal is not there)

Step 2: Count how many numbers are behind the decimal in your factors

Step 3: Put the decimal in your answer that many places in from the right

500

8.76 x 8 = 70.08

There is no error!

500

_______ x 0.013 = 13

1,000

500

14.55 x 89 =

1294.95

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