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

What is the process of subtracting decimals?

Back

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

Front

How do you round a decimal to the nearest whole number?

Back

To round a decimal to the nearest whole number, look at the digit to the right of the decimal point. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is the value of 56.21 - 7.89?

Back

The value is 48.32.

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number.

Front

What is the sum of 35.61 and 12.93?

Back

The sum is 48.54.

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.

Front

What is the term for the number that is being subtracted in a subtraction problem?

Back

The term is 'subtrahend'.

Front

What is the term for the result of an addition problem?

Back

The term is 'sum'.

Front

What is the term for the result of a subtraction problem?

Back

The term is 'difference'.