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

If a snack costs $2.75 and a book costs 5 times as much, how much does the book cost?

Back

The book costs $13.75.

Front

How do you find the total cost of multiple items?

Back

Add the cost of each item together to find the total cost.

Front

What is the cost of a poster that is $3.50 less than a book that costs $13.75?

Back

The poster costs $10.25.

Front

How many pounds of corn kernels are in a dozen ears of corn if each ear has 0.25 pounds?

Back

There are 3 pounds of corn kernels in a dozen ears of corn.

Front

What is the product of 35.4 and 6.2?

Back

219.48

Front

How do you multiply two decimals?

Back

Multiply the numbers as if they are whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product.

Front

What is the product of 9.87 and 23.6?

Back

232.932