Subtraction with Borrowing 1

Front

What is subtraction with borrowing?

Back

Subtraction with borrowing is a method used in arithmetic when the top digit in a column is smaller than the bottom digit, requiring the top digit to borrow from the next column to the left.

Front

How do you perform borrowing in subtraction?

Back

To borrow in subtraction, decrease the digit in the next column to the left by one and add 10 to the current column's top digit.

Front

What is the result of 63 - 18?

Back

The result of 63 - 18 is 45.

Front

What is the result of 51,921 - 40,732?

Back

The result of 51,921 - 40,732 is 11,189.

Front

What is the first step in solving a subtraction problem with borrowing?

Back

Identify the columns from right to left and check if borrowing is needed.

Front

When do you need to borrow in subtraction?

Back

You need to borrow when the digit in the minuend (top number) is smaller than the digit in the subtrahend (bottom number) in any column.

Front

What is the minuend in the subtraction problem 63 - 18?

Back

The minuend is 63.

Front

What is the subtrahend in the subtraction problem 63 - 18?

Back

The subtrahend is 18.

Front

What is the importance of lining up numbers by place value in subtraction?

Back

Lining up numbers by place value ensures that each digit is subtracted correctly according to its value (units, tens, hundreds, etc.).

Front

What happens if you forget to borrow when needed?

Back

If you forget to borrow, the subtraction will be incorrect, leading to an inaccurate result.