Find the Product
Steps
Find the Mistake
Powers of Ten
Multiply by a whole number
100

4.1 x 0.5 = 

2.05

100

What is Step 1 to multiplying decimals?

Rewrite the problem without the decimals in it.

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?

Multiply like normal

200

4.32 x 3 = 10.96

12.96

200

11.6 x 102=

1,160

200

3.05 x 26 =

79.3

300

82.1 x 0.3 =

24.63

300

What is Step 3 to multiplying decimals?

Count the number of decimal places in BOTH factors.

300

5.64 x 4 = 22.46

22.56

300

6 x 105

600,000

300

8.39 x 62 =

520.18

400

92.1 x 0.2

18.42

400

What is the last step to multiplying decimals?

Put your decimal point back in the answer 

400

6.75 x 5 = 30.75

33.75

400

0.032 x ____= 3.2

100 or 102

400

5.052 x 19 =

95.988

500

27.23 x 0.55 =

14.9765

500

List all the steps to multiplying decimals. (Hint: there are 4 steps)

Step 1: Rewrite the problem without the decimals

Step 2: Multiply like normal

Step 3: Count the number of decimal places in both factors

Step 4: Put your decimal point back in

500

8.76 x 8 = 70.08

There is no error!

500

_______ x 0.013 = 13,000

1,000,000 or 106

500

14.55 x 89 =

1294.95

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