Multiplying and Dividing 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 56.9 and 3.1?

Back

176.39

Front

How do you divide decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number. Move the decimal point in the dividend the same number of places. Then, divide as usual.

Front

What is 7.13 multiplied by 5.5?

Back

39.215

Front

What is the quotient of 11.4 divided by 19?

Back

0.6

Front

What is 5.75 divided by 0.25?

Back

23

Front

What is the product of 18.7 and 6?

Back

112.2

Front

What is the rule for placing the decimal point in multiplication?

Back

Count the total number of decimal places in both factors and place the decimal point in the product so that it has that many decimal places.

Front

What happens to the decimal point when you multiply by 10, 100, or 1000?

Back

The decimal point moves to the right by as many places as there are zeros in the number you are multiplying by.