Adding & Subtracting Decimals

Front

What is the process for 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 0.1 + 0.2?

Back

0.3

Front

If Annie buys shoes for $47.82 and a shirt for $13.36, how do you calculate her total spending?

Back

Add the two amounts: $47.82 + $13.36 = $61.18.

Front

What is the change Annie receives from a $100 bill after her purchase of $61.18?

Back

Subtract the total spent from the amount given: $100 - $61.18 = $38.82.

Front

What is the sum of 35.61 and 12.93?

Back

The sum is 48.54.

Front

How can you express 7.29 as a sum of two other numbers?

Back

7.29 can be expressed as 4.18 + 3.11.

Front

What is the difference between 80.93 and 68?

Back

The difference is 12.93.

Front

Calculate the difference: 9.73 - 2.52.

Back

The difference is 7.21.

Front

What is the importance of aligning decimal points when adding or subtracting?

Back

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