Multiplying Decimals

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, 2.5 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 point, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is 2.5 x 2?

Back

5

Front

What is 9.64 x 2?

Back

19.28

Front

What is 9.7 x 5?

Back

48.5

Front

What is 63.1 x 5?

Back

315.5

Front

What is 5.19 x 9?

Back

46.71

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler or easier to work with, often to a certain number of decimal places.

Front

What is the place value of the digit 5 in 2.53?

Back

The place value of 5 in 2.53 is 'tenths' because it is the first digit to the right of the decimal point.

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.