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

What is the product of 3.8 x 4?

Back

15.2

Front

What is the product of 4 x 12.9?

Back

51.6

Front

What is the product of 5.4 x 3?

Back

16.2

Front

What is the product of 1.9 x 5?

Back

9.5

Front

What is the product of 0.55 x 8?

Back

4.4

Front

How do you align decimal points when multiplying?

Back

When multiplying, you do not need to align decimal points; just multiply as if they are whole numbers and then place the decimal in the product.

Front

What is the first step in multiplying decimals?

Back

The first step is to ignore the decimal points and multiply the numbers as if they were whole numbers.

Front

How do you determine the placement of the decimal in the product?

Back

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