Multiplying Decimals by Whole Numbers

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, 3.4 is a decimal.

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

What is 6 × 3.4?

Back

20.4

Front

If Jeane earns $62.95 per week, how much does she earn in 6 weeks?

Back

$377.70

Front

What is 0.7 x 4?

Back

2.8

Front

What is 2 x 1.3?

Back

2.6

Front

What is 8.25 x 4?

Back

33

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. For example, rounding 2.8 to the nearest whole number gives 3.

Front

What is the place value of the digit 4 in 3.4?

Back

The digit 4 is in the tenths place, which means it represents 4 tenths or 0.4.

Front

How do you check your multiplication of decimals?

Back

You can check your multiplication by dividing the product by one of the factors to see if you get the other factor.