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 sum of 55.78 and 4.6?

Back

60.38

Front

What is the sum of 7.9 and 18.72?

Back

26.62

Front

What is 7.9 minus 3.47?

Back

4.43

Front

What is the sum of 27.63 and 15.04?

Back

42.67

Front

How do you align decimal points when adding?

Back

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

Front

What is the first step in decimal subtraction?

Back

The first step is to align the decimal points of the numbers being subtracted.

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.

Front

What is the difference between 7.9 and 3.47?

Back

4.43