This activity helps you practice multiplying decimal numbers. You will need a clock or a watch, a sheet of paper, and a pencil.

The first thing you do is to take a look at your clock or watch. Suppose your clock or watch tells you that the time is 2:35 P.M. You will record this time as a decimal number like this: 2.35. The hour in your time will be your whole number, while the minutes will be your decimal numbers. Now that you have a decimal number, you can start practicing multiplying your decimal number by these numbers:

  1. 2
  2. 2.1
  3. 1.3
  4. 1.5
  5. 3.6

Do you still remember the three steps?

First, we multiply the decimal numbers. We don't have to line up the decimal points to multiply. Let's answer the first problem.

math problem

Second, we count the number of decimal places in the numbers we multiplied.

math problem

We have two decimal places.

Third, we put the same number of decimal places in the answer.

math problem

The answer to 2.35 x 2 is 4.70.

Now look at your watch to find time decimals and start multiplying!

Ready to move on to the next lesson?
 Multiplying Decimals by Values Less than One, More than One, or Equal to One