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 value of 0.5 in cents?

Back

0.5 in cents is 50 cents.

Front

What is the sum of 2.5 and 3.7?

Back

The sum of 2.5 and 3.7 is 6.2.

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 1.25 + 4.75?

Back

1.25 + 4.75 = 6.00.

Front

What is 7.8 - 2.4?

Back

7.8 - 2.4 = 5.4.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.