Decimal Multiplication

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points, which involves aligning the numbers and multiplying as if they were whole numbers, then placing the decimal point in the product.

Front

How do you multiply a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if the decimal is not there, then count the total number of decimal places in the decimal and place the decimal point in the product accordingly.

Front

What is the product of 2.4 and 8.9?

Back

21.36

Front

What is the product of 0.17 and 0.3?

Back

0.051

Front

What is the product of 9.87 and 23.6?

Back

232.932

Front

What is the product of 35.4 and 6.2?

Back

219.48

Front

Which problem has the same answer as 14.8 x 9.3 = 137.64?

Back

1.48 x 93

Front

How do you determine the number of decimal places in the product?

Back

Count the total number of decimal places in both factors before multiplying. The product will have that many decimal places.

Front

What happens to the decimal point when multiplying two decimals?

Back

The decimal point in the product is determined by the total number of decimal places in the factors being multiplied.

Front

What is the first step in multiplying decimals?

Back

Ignore the decimal points and multiply the numbers as if they were whole numbers.