Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten. It is used to represent numbers that are not whole.

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 5.8 and 2.5?

Back

14.5

Front

What is 5.2 multiplied by 4.6?

Back

23.92

Front

If Joy drinks 4.5 bottles of water, each containing 16.5 fluid ounces, how much water does she drink?

Back

74.25 fluid ounces

Front

What is 0.7 multiplied by 1.9?

Back

1.33

Front

What is 5.4 multiplied by 0.1?

Back

0.54

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler or more convenient, often to a specified number of decimal places.

Front

What is the importance of decimal places in multiplication?

Back

Decimal places determine the precision of the result. The more decimal places, the more accurate the result.

Front

How do you check your work after multiplying decimals?

Back

You can check your work by estimating the product and ensuring your answer is reasonable based on the numbers you multiplied.