Multiply Decimals by Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers. Then, count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the product of 0.5 and 0.82?

Back

0.41

Front

What is 42.1 multiplied by 0.5?

Back

21.05

Front

What is 3.6 times 1.2?

Back

4.32

Front

How do you determine the placement of the decimal point in a product?

Back

Count the total number of decimal places in the factors. The product will have the same number of decimal places.

Front

What is the product of 918.1 and 1.2?

Back

1101.72

Front

If a washing machine uses 4.2 liters of water per wash, how much water is used in 3.2 washes?

Back

13.44 liters

Front

What is the first step in multiplying decimals?

Back

The first step is to ignore the decimal points and multiply the numbers as if they were whole numbers.

Front

What do you do after multiplying the whole numbers in decimal multiplication?

Back

After multiplying, count the total number of decimal places in the original numbers to place the decimal point in the product.