Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) 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 decimal point?

Back

The decimal point is a dot used to separate the whole number part from the fractional part in a decimal number.

Front

How many decimal places are in 0.15?

Back

0.15 has 2 decimal places.

Front

How many decimal places are in 0.6?

Back

0.6 has 1 decimal place.

Front

What is the product of 0.15 and 0.6?

Back

0.15 x 0.6 = 0.09.

Front

What is the product of 2.39 and 4.37?

Back

2.39 x 4.37 = 10.4443.

Front

How do you determine the location of the decimal point in a product?

Back

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

Front

If you multiply 0.15 by 0.624, how many decimal places will the product have?

Back

The product will have 5 decimal places.

Front

What is the cost of an Uber ride if it costs $2.25 per mile for a distance of 8.7 miles?

Back

The cost will be $2.25 x 8.7 = $19.58.