Subtracting Decimals

Front

What is subtracting decimals?

Back

Subtracting decimals is the process of taking one decimal number away from another. It involves aligning the decimal points and performing the subtraction as with whole numbers.

Front

How do you align decimal numbers when subtracting?

Back

When subtracting decimals, write the numbers one under the other, ensuring that the decimal points are aligned vertically.

Front

What is the result of 123.6 - 0.08?

Back

123.52

Front

What is the result of 7.05 - 4.6?

Back

2.45

Front

What is the result of 7.9 - 3.47?

Back

4.43

Front

What is the result of 10.05 - 8.3?

Back

1.75

Front

What is the result of 94 - 4.8?

Back

89.2

Front

Why is it important to line up decimal points?

Back

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

Front

What do you do if a decimal number has fewer digits than another?

Back

You can add zeros to the right of the shorter decimal to make the numbers have the same number of decimal places.

Front

What is a common mistake when subtracting decimals?

Back

A common mistake is not aligning the decimal points correctly, which can lead to incorrect answers.