Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It represents a part of a whole number, using a dot (.) to separate the whole number from the fractional part.

Front

How do you add decimals?

Back

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

Front

How do you subtract decimals?

Back

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

Front

What is the sum of 2.5 + 3.7?

Back

6.2

Front

What is the difference of 5.6 - 2.3?

Back

3.3

Front

What is 0.75 + 0.25?

Back

1.0

Front

What is 4.2 - 1.9?

Back

2.3

Front

If you have $10.50 and spend $3.75, how much do you have left?

Back

$6.75

Front

What is the total of 1.25 + 2.75?

Back

4.0

Front

What is 9.99 - 4.50?

Back

5.49