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, 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

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 difference directly below the other decimal points.

Front

What is the sum of 4.62 and 7.7?

Back

12.32

Front

What is 5.49 + 0.5?

Back

5.99

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number after aligning them by the decimal point.

Front

What is the difference between 51.2 and 53.52?

Back

2.32

Front

What is 6.7 - 2.33?

Back

4.37

Front

What is 15.07 - 12.2?

Back

2.87

Front

Why is it important to align decimal points when adding or subtracting?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.