5.3E Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates 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

How many decimal places are in the product of 0.15 and 0.6?

Back

There are 3 decimal places in the product of 0.15 and 0.6.

Front

What is the product of 4.8 and 22?

Back

The product of 4.8 and 22 is 105.6.

Front

What is 2.34 multiplied by 9.3?

Back

2.34 multiplied by 9.3 equals 21.762.

Front

What is 0.53 multiplied by 6.4?

Back

0.53 multiplied by 6.4 equals 3.392.

Front

If an item costs $2.50 per pound and you buy 3 pounds, how much do you spend?

Back

You spend $7.50 for 3 pounds of the item.

Front

What is the first step in multiplying decimals?

Back

The first step is to ignore the decimal points and multiply the numbers as if they were whole numbers.

Front

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

Back

Count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is the importance of understanding decimal multiplication?

Back

Understanding decimal multiplication is important for solving real-world problems involving money, measurements, and other applications.