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 3.25 and 2.6?

Back

5.85

Front

What is the result of adding 6.25 and 4.7?

Back

10.95

Front

What is the decimal form of 178 hundredths?

Back

1.78

Front

If a marathon runner completes 26.2 miles and then runs an additional 5.75 miles, how far did the runner run in total?

Back

31.95 miles

Front

If Sarah has $5.40 and she spends $2.75, how much money does she have left?

Back

2.65 dollars

Front

How do you align decimal points when adding or subtracting?

Back

You write the numbers one under the other, ensuring the decimal points are in the same vertical line.

Front

What is the importance of zero in decimal addition?

Back

Zero is used as a placeholder in decimal addition to maintain the correct value of the numbers.

Front

What is a common mistake when adding decimals?

Back

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