Adding, subtracting and multiplying decimals

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

What is the process for subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point, subtract as you would whole numbers, and place the decimal point in the difference directly below the other decimal points.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is the value of 4 x 0.03?

Back

0.12

Front

If Oliver bought 7 bags of candy at $1.50 each, how much did he pay?

Back

$10.50

Front

What is 18.7 x 6?

Back

112.2

Front

How much do 4 coffees at $4.85 each cost?

Back

$19.40

Front

If one pound of strawberries costs $4.26, how much do 5 pounds cost?

Back

$21.30

Front

What is the first step in adding decimals?

Back

Align the numbers by the decimal point.