Multiplying Decimals by a Whole Number

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 a decimal by a whole number?

Back

To multiply a decimal by a whole number, multiply as if there were no decimal, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

Calculate the product of 5.6 and 2.

Back

11.2

Front

Mr. Thomas's car can travel 17.6 miles per gallon of gas. If his tank holds 11 gallons, how far can he travel on a full tank of gas?

Back

193.6 miles

Front

Round to the nearest whole number to estimate the product of 2 x $4.10.

Back

$8

Front

What is the product of 7.5 and 4?

Back

30

Front

Round to the nearest one to estimate the product of 15.8 x 5.

Back

80

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, often to make calculations easier.

Front

What is the importance of estimating products?

Back

Estimating products helps to quickly assess the reasonableness of an answer without calculating the exact value.

Front

What is the product of 3.2 and 3?

Back

9.6