Operations with Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number 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 sum directly below the other decimal points.

Front

What is the value of 0.5 in cents?

Back

0.5 is equal to 50 cents.

Front

How do you subtract decimals?

Back

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

Front

What is the total of $4.73 and $5.27?

Back

$10.00

Front

If you have $10.00 and spend $4.75, how much do you have left?

Back

$5.25

Front

What is the product of 3.5 and 2?

Back

7.0

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal point in the product accordingly.

Front

What is 0.25 divided by 0.5?

Back

0.5

Front

If a shirt costs $19.99 and you have a coupon for $5 off, what is the new price?

Back

$14.99