Add and Subtract 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 find the difference between two decimal numbers?

Back

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

Front

What is the combined total when adding two decimal numbers?

Back

The combined total is the sum of the two decimal numbers.

Front

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

Back

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 importance of aligning decimal points when performing addition or subtraction?

Back

Aligning 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 sums or differences.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the significance of place value in decimal addition and subtraction?

Back

Place value determines the value of each digit in a decimal number, affecting the outcome of addition and subtraction.

Front

What is the result of adding 9.84 and 6.7?

Back

The result is 16.54.