Subtracting Decimals

Front

What is subtracting decimals?

Back

Subtracting decimals involves finding the difference between two decimal numbers by aligning the decimal points and performing standard subtraction.

Front

How do you align decimal points when subtracting?

Back

When subtracting decimals, write the numbers one under the other, aligning the decimal points to ensure that each digit is in the correct place value.

Front

What is the result of 5.4 - 2.43?

Back

2.97

Front

What is the result of 1.24 - 0.7?

Back

0.54

Front

If Jason cuts 3.213 inches from a 72.58 inch banner, how long is the banner now?

Back

69.367 inches

Front

What is the result of 0.56 - 0.23?

Back

0.33

Front

What is the result of 1.8 - 0.9?

Back

0.9

Front

Why is it important to line up decimal points in subtraction?

Back

Lining up decimal points ensures that each digit is subtracted from the correct place value, leading to an accurate result.

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 before subtracting.

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.