Mastering Double Digit Subtraction with Regrouping

Front

What is double digit subtraction?

Back

Double digit subtraction is the process of subtracting numbers that have two digits, such as 93 or 57.

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next higher place value when the top digit is smaller than the bottom digit.

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Front

What is the first step in double digit subtraction?

Back

The first step is to line up the numbers by their place values.

Front

What do you do if the top digit is smaller than the bottom digit?

Back

You regroup by borrowing from the next left digit.

Front

What is the value of the tens place in the number 82?

Back

The value of the tens place in 82 is 80.