Adding and Subtracting 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 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 21 and 4.09?

Back

The sum of 21 and 4.09 is 25.09.

Front

What is the difference between 2 and 0.43?

Back

The difference between 2 and 0.43 is 1.57.

Front

If a ticket costs $3.00, how much do 4 tickets cost?

Back

4 tickets cost $12.00.

Front

What is the total cost if you buy popcorn for $8.50 and a slushy for $3.00?

Back

The total cost is $11.50.

Front

What is the total amount spent if Lia and James spent $8.50 and $12.00 respectively?

Back

The total amount spent is $20.50.

Front

What is the result of 4.18 + 3.11?

Back

The result of 4.18 + 3.11 is 7.29.