Subtraction

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the process of taking one quantity away from another. It is denoted by the minus sign (-).

Front

What is the result of subtracting a larger number from a smaller number?

Back

The result is a negative number.

Front

How do you perform subtraction with multi-digit numbers?

Back

Align the numbers by their rightmost digits, subtract each column starting from the right, and borrow from the next column if necessary.

Front

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

Back

The term is 'subtrahend'.

Front

What is the term for the number from which another number is subtracted?

Back

The term is 'minuend'.

Front

What is the difference in the subtraction operation?

Back

The difference is the result of the subtraction operation.

Front

How can you check your subtraction work?

Back

You can check your work by adding the difference to the subtrahend; if the sum equals the minuend, your subtraction is correct.

Front

What is borrowing in subtraction?

Back

Borrowing is a technique used in subtraction when the digit in the minuend is smaller than the corresponding digit in the subtrahend, requiring you to take from the next left column.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; knowing one can help you understand the other.

Front

What is a common mistake when performing subtraction?

Back

A common mistake is misaligning the numbers or forgetting to borrow when necessary.