Multiplying 3 x 1 digits with Regrouping (One Time) Copyright © 2013 Kelly Mott.
Multiplying Decimals. Example: 2.7 x 3.5 Step 1 Multiply as you normally would 27 x 35 945.
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Transcript of Multiplying Decimals. Example: 2.7 x 3.5 Step 1 Multiply as you normally would 27 x 35 945.
Multiplying Multiplying DecimalsDecimals
Multiplying Multiplying DecimalsDecimals
Example: 2.7 x 3.5
Step 1
Multiply as you normally would 27 x 35 945
Step 2Count the number of digitsbehind a decimal point in theproblem. This one has twodigits behind the decimalpoint, the 7 and the 5. 2.7 x 3.5 =
Step 3Put the decimal point in theanswer. If your problem had 2digits behind a decimal point, your
answer should have 2 digitsbehind a decimal point.
If your problemhad 3 digits behind adecimal point, youranswer should have 3 digits
behind a decimal point.
If your problemhad 4 digits behind adecimal point, youranswer should have 4 digits
behind a decimal point.
Step 4Add zeros if needed.
Let’s try a few together.
7.56 x 3.8 =
287.28
2872.8
28.728
.3445 x 3.9 =
1.34355
13.4355
134.355
13.723 x 122.5 =
16.810675
168.10675
1681.0675
.55 x .007 =
38.5 .00385
.0385
You’re correct!
Incorrect, try again• Remember to count the digits
behind the decimal points in the problem.
• You must have this many digits behind the decimal point in the answer.