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. For example, 0.75 is a decimal.

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 0.6 and 0.91?

Back

0.546

Front

What is 4 times 0.03?

Back

0.12

Front

If Sarah jogged 4.8 miles each day for 22 days, how do you calculate the total miles?

Back

Multiply 4.8 by 22 to find the total miles jogged.

Front

What is the total distance if Jackie rode her bike 8.54 miles around the park 4 times?

Back

Multiply 8.54 by 4 to find the total distance.

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 easier to work with, often to a certain number of decimal places.

Front

What is the value of 7.5 hours worked at a rate of $8.95 per hour?

Back

$67.125

Front

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

Back

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

Front

What is the importance of understanding decimal multiplication in real life?

Back

Understanding decimal multiplication helps in calculating money, measurements, and other real-life applications where precision is important.