Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (.) to separate the whole number 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

What is the product of 0.5 and 0.8?

Back

0.4

Front

If you multiply a decimal by 10, what happens to the decimal point?

Back

The decimal point moves one place to the right.

Front

What is 4.8 miles jogged each day for 22 days?

Back

105.6 miles (4.8 x 22 = 105.6).

Front

How do you determine if a product of two decimals is greater or less than 1?

Back

If both decimals are less than 1, the product will be less than 1. If one is greater than 1 and the other is less than 1, the product will depend on their values.

Front

What is 6.19 multiplied by 4?

Back

$24.76

Front

If a bag of candy costs $1.50, how much do 7 bags cost?

Back

$10.50 (1.50 x 7 = 10.50).

Front

What is the cost of 12 boxes of candy canes at $0.98 each?

Back

$11.76 (0.98 x 12 = 11.76).

Front

What is the distance of the museum from the school if it is 0.8 times the distance of the library (0.5 mile)?

Back

0.4 mile (0.8 x 0.5 = 0.4), which is less than 1 mile.