2-Digit Subtraction with Regrouping

Front

What is 2-digit subtraction?

Back

2-digit subtraction is the process of subtracting a two-digit number from another two-digit number.

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.

Front

What is the first step in 2-digit subtraction?

Back

The first step is to line up the numbers by their place values (tens and ones).

Front

How do you subtract the ones place?

Back

Subtract the digits in the ones place. If the top digit is smaller, regroup from the tens place.

Front

What do you do if you need to regroup?

Back

If you need to regroup, take 1 from the tens place, add 10 to the ones place, and then subtract.

Front

What is 87 - 5?

Back

82

Front

What is 45 - 2?

Back

43

Front

What is 72 - 3?

Back

69

Front

What is 54 - 7?

Back

47

Front

What is 82 - 7?

Back

75