Addition and Subtraction of Decimals

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. For example, 3.14 is a decimal.

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 answer 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, placing the decimal point in the answer directly below the other decimal points.

Front

What is the value of 0.5 in cents?

Back

0.5 in cents is 50 cents.

Front

What is the sum of 1.2 and 3.4?

Back

The sum of 1.2 and 3.4 is 4.6.

Front

What is the difference between 5.5 and 2.2?

Back

The difference between 5.5 and 2.2 is 3.3.

Front

If you have $10.00 and spend $3.75, how much do you have left?

Back

You have $6.25 left.

Front

What is 0.75 + 0.25?

Back

0.75 + 0.25 equals 1.00.

Front

What is 4.5 - 1.2?

Back

4.5 - 1.2 equals 3.3.

Front

How do you round 2.68 to the nearest whole number?

Back

2.68 rounded to the nearest whole number is 3.