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 sum directly below the other decimal points.

Front

What is the process for subtracting 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 value of 0.5 + 0.25?

Back

0.75

Front

What is the value of 1.2 - 0.7?

Back

0.5

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller decimal from the larger decimal.

Front

What is the result of 7.9 + 18.72?

Back

26.62

Front

What is the result of 7.9 - 3.47?

Back

4.43

Front

If Chicago was predicted to receive 1.254'' of rain and actually received .875'', how far was the prediction off?

Back

.379''

Front

Find the difference of 435.2 and 24.55.

Back

410.65