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 determine the difference between two decimal numbers?

Back

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

Front

What is the significance of the decimal point in a number?

Back

The decimal point separates the whole number part from the fractional part, indicating the value of each digit based on its position.

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 importance of place value in decimal addition and subtraction?

Back

Place value determines the value of each digit in a decimal number, which is crucial for accurate addition and subtraction.

Front

What is the combined weight of two objects if one weighs 16.27 pounds and the other weighs 28.53 pounds?

Back

The combined weight is 44.80 pounds, calculated by adding 16.27 and 28.53.

Front

If a person has $89.26 and spends $32.79, how do you find out how much money they have left?

Back

Subtract the amount spent ($32.79) from the total amount ($89.26) to find the remaining balance.

Front

What is the difference in distance if one person lives 132.95 meters from a point and another lives 207.6 meters from the same point?

Back

The difference in distance is 74.65 meters, calculated by subtracting 132.95 from 207.6.

Front

How do you handle carrying over in decimal addition?

Back

If the sum of a column exceeds 9, carry over the extra value to the next column to the left.