Add and Subtract Decimals

Front

What is the process of adding decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right, carrying over if necessary.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract each column starting from the right, borrowing if necessary.

Front

What is the value of 37.88 - 12.6?

Back

25.28

Front

What is the sum of 30.8 and 4.6?

Back

35.4

Front

What is 6.1 + 1.9?

Back

8.0

Front

How do you handle decimals when adding or subtracting?

Back

Ensure that the decimal points are aligned vertically before performing the operation.

Front

What is the result of 16.871 - 4.602?

Back

12.269

Front

What is 8.219 - 3.5?

Back

4.719

Front

Why is it important to line up decimal points when performing addition or subtraction?

Back

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

Front

What is a common mistake when adding or subtracting decimals?

Back

A common mistake is misaligning the decimal points, which can lead to incorrect results.