Adding and Subtracting 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 20.00 - 2.15 - 6.58?

Back

20.00 - 2.15 - 6.58 = 11.27.

Front

What is 94 - 4.8?

Back

94 - 4.8 = 89.2.

Front

What is 7.9 - 3.47?

Back

7.9 - 3.47 = 4.43.

Front

Which addition equation equals 7.29?

Back

4.18 + 3.11 = 7.29.

Front

What is the difference between 435.2 and 24.55?

Back

435.2 - 24.55 = 410.65.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is simpler, often to a certain number of decimal places.