Adding and Subtracting Decimals

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point (.) to separate the whole part 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, 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 sum of 2.50 and 2.50?

Back

The sum is 5.00.

Front

What is the difference of 5.00 and 2.50?

Back

The difference is 2.50.

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 43.03 - 12.82?

Back

The answer is 30.21.

Front

What is the total cost of three items priced at $2.50 each?

Back

The total cost is $7.50.

Front

What is the difference between 864.2 and 363.3?

Back

The difference is 500.9.

Front

If an adult's ticket costs $5.75 and the total for two tickets is $9.50, what is the cost of the child's ticket?

Back

The child's ticket costs $3.75.