Subtraction (with regrouping)

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the process of taking one quantity away from another.

Front

What does it mean to regroup in subtraction?

Back

Regrouping in subtraction involves rearranging the numbers to make the subtraction process easier, often by borrowing from the next higher place value.

Front

How do you subtract two-digit numbers with regrouping?

Back

To subtract two-digit numbers with regrouping, start from the rightmost digit, borrow from the next column if necessary, and then perform the subtraction.

Front

What is the result of 64 - 19?

Back

The result of 64 - 19 is 45.

Front

What is the result of 6,000 - 3,782?

Back

The result of 6,000 - 3,782 is 2,218.

Front

What is the result of 70 - 16?

Back

The result of 70 - 16 is 54.

Front

What is the result of 80 - 49?

Back

The result of 80 - 49 is 31.

Front

What is the result of 46 - 29?

Back

The result of 46 - 29 is 17.

Front

What is borrowing in subtraction?

Back

Borrowing in subtraction is the process of taking 1 from the next higher place value to make a digit larger when the top digit is smaller than the bottom digit.

Front

Why is it important to line 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, preventing errors.