Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

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 0.4 and 7?

Back

2.8

Front

What is the product of 45.1 and 7?

Back

315.7

Front

What is the product of 3.5 and 4.92?

Back

17.22

Front

If Abbie 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 cost if Miss Rago bought 12 boxes of candy canes at $0.98 each?

Back

Multiply 12 by 0.98 to find the total cost, which is $11.76.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value, often to a certain number of decimal places.

Front

What is the importance of decimal places in multiplication?

Back

Decimal places determine the precision of the result. The more decimal places, the more accurate the result.

Front

How do you check your work after multiplying decimals?

Back

You can check your work by estimating the product and ensuring your answer is reasonable based on the numbers you multiplied.