Operations with Decimal Addition and Subtraction

Decimal Operations (+, -, x)

Adding Decimals

Line up place value

Add as you would whole numbers

Move decimal down into sum

4.56 + 3.9 =

Subtracting Decimals

Line up place value

Subtract as you would whole numbers

Move decimal down into difference

5.37 - 3.267

Multiplying Decimals

Line up digits

Multiply as you would whole numbers

Count the number of places to the right of the decimal in the factors

Move the decimal point the same number of places to the left in the product

4.95 x .23