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.