Adding and Subtracting Decimals

Front

What is the process of adding decimals?

Back

To add decimals, align the numbers by the decimal point and add each column starting from the right, carrying over if necessary.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract each column starting from the right, borrowing if necessary.

Front

What is the value of 0.5 + 0.3?

Back

0.8

Front

What is the value of 1.2 - 0.7?

Back

0.5

Front

If Tamara jumps 17.6 feet and the world record is 39.3 feet, how do you find the difference?

Back

Subtract Tamara's jump from the world record: 39.3 - 17.6 = 21.7 feet.

Front

What is the result of 12.61 - 5.04?

Back

7.57

Front

Calculate 9.43 - 3.34.

Back

6.09

Front

What is the difference between 7.05 and 4.6?

Back

2.45

Front

Why is it important to line up decimal points when adding or subtracting?

Back

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

Front

What is a common mistake when adding or subtracting decimals?

Back

A common mistake is misaligning the decimal points, which can lead to incorrect results.