Decimal Multiplication

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points. It involves multiplying the numbers as if they were whole numbers and then placing the decimal point in the product based on the total number of decimal places in the factors.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there is no decimal, then place the decimal point in the product. The decimal point is placed so that the total number of decimal places in the product equals the number of decimal places in the decimal factor.

Front

Calculate: 1.3 x 4

Back

5.2

Front

Calculate: 1.7 x 9

Back

15.3

Front

Calculate: 42 x 0.4

Back

16.8

Front

Calculate: 19 x 1.8

Back

34.2

Front

Calculate: 4 x 2.05

Back

8.2

Front

What is the product of 0.5 and 0.2?

Back

0.1

Front

What happens to the decimal point when multiplying two decimals?

Back

When multiplying two decimals, the decimal point in the product is placed so that the total number of decimal places is equal to the sum of the decimal places in both factors.

Front

If you multiply a decimal by 10, what happens to the decimal point?

Back

When you multiply a decimal by 10, the decimal point moves one place to the right.