Decimal Addition and Subtraction

Front

What is decimal addition?

Back

Decimal addition is the process of adding numbers that have decimal points, aligning the decimal points to ensure accurate addition.

Front

What is decimal subtraction?

Back

Decimal subtraction is the process of subtracting one decimal number from another, ensuring the decimal points are aligned.

Front

What is the result of 11.8 - 2.9?

Back

8.9

Front

What is the result of 9.8 + 9.7?

Back

19.5

Front

What is the result of 6.12 - 5.98?

Back

0.14

Front

What is the result of 5.69 - 3.21?

Back

2.48

Front

What is the result of 4.18 + 6.31?

Back

10.49

Front

How do you align decimal points in addition?

Back

When adding decimals, write the numbers one under the other, aligning the decimal points vertically.

Front

How do you align decimal points in subtraction?

Back

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

Front

What is a common mistake in decimal addition?

Back

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