Multiply Decimals

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3).

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. For example, 0.75 is a decimal.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there were no decimal point, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is the product of 0.5 and 8?

Back

The product of 0.5 and 8 is 4.0.

Front

How do you estimate the product of two decimals?

Back

To estimate the product of two decimals, round each decimal to the nearest whole number and then multiply the rounded numbers.

Front

What is the best estimate of 1.38 x 32.4?

Back

The best estimate is 32.

Front

What is the product of 5.04 and 8?

Back

The product of 5.04 and 8 is 40.32.

Front

How do you multiply two decimals?

Back

To multiply two 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 83.41 x 504?

Back

The product is 42,038.64.

Front

If 73 x 1,563 = 114,099, what is 73 x 15.63?

Back

73 x 15.63 = 1,140.99.