Add and Subtract 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, 2.5 is a decimal.

Front

How do you add decimals?

Back

To add decimals, line up the decimal points of the numbers, then add as you would with 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, line up the decimal points of the numbers, then subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is the first step when adding or subtracting decimals?

Back

The first step is to line up the decimals.

Front

What is 2.74 + 4.25?

Back

7.00

Front

What is 10.00 - 2.74?

Back

7.26

Front

What is 7.2 - 4.3?

Back

2.9

Front

What is 5.66 + 4.25?

Back

9.91

Front

What is the difference between 9.84 and 6.7?

Back

3.14

Front

What is 13.09 - 9.84?

Back

3.25