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.

Front

What does it mean to multiply a decimal by a whole number?

Back

Multiplying a decimal by a whole number means to find the total of adding the decimal number to itself a certain number of times, as indicated by the whole number.

Front

Calculate: 1.9 x 5

Back

9.5

Front

Calculate: 3.4 x 9

Back

30.5

Front

Calculate: 3.4 x 7

Back

23.8

Front

If each bottle of water costs $1.79 and Jen buys 4 bottles, how much does she spend?

Back

$7.16

Front

Calculate: 2.1 x 2

Back

4.2

Front

What is the first step in multiplying decimals?

Back

Align the numbers vertically by the decimal point, if necessary, and ignore the decimal for now.

Front

How do you place the decimal in the product after multiplying?

Back

Count the total number of decimal places in the numbers being multiplied and place the decimal in the product accordingly.

Front

What is the product of 0.5 and 4?

Back

2.0