Double Digit Subtraction

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting two-digit numbers from each other, which may involve borrowing from the next higher place value.

Front

How do you perform subtraction with borrowing?

Back

To perform subtraction with borrowing, if the top digit is smaller than the bottom digit in any column, you borrow 1 from the next column to the left, reducing that digit by 1 and adding 10 to the current column.

Front

What is the difference between 33 and 26?

Back

The difference between 33 and 26 is 7.

Front

If you have 90 glue sticks and sell 52, how many are left?

Back

If you have 90 glue sticks and sell 52, you have 38 glue sticks left.

Front

What is the result of 42 - 30?

Back

The result of 42 - 30 is 12.

Front

If Desmond has 24 pencils and gives away 11, how many does he have left?

Back

If Desmond has 24 pencils and gives away 11, he has 13 pencils left.

Front

What is the first step in solving a double digit subtraction problem?

Back

The first step in solving a double digit subtraction problem is to align the numbers vertically by place value.

Front

What does it mean to find the difference in subtraction?

Back

Finding the difference in subtraction means calculating how much one number is less than another.

Front

What is the importance of place value in subtraction?

Back

Place value is important in subtraction because it helps to correctly align the digits and understand the value of each digit in the numbers being subtracted.

Front

How can you check your subtraction answer?

Back

You can check your subtraction answer by adding the difference to the smaller number to see if it equals the larger number.