Two Digit Subtraction with Regrouping

Front

What is two-digit subtraction with regrouping?

Back

It is a method used to subtract two-digit numbers where you need to borrow from the next higher place value when the top digit is smaller than the bottom digit.

Front

What does regrouping mean in subtraction?

Back

Regrouping means rearranging the numbers to make subtraction easier, often by borrowing from the next column.

Front

71 - 45 = ?

Back

26

Front

64 - 26 = ?

Back

38

Front

84 - 39 = ?

Back

45

Front

75 - 27 = ?

Back

48

Front

81 - 56 = ?

Back

25

Front

How do you borrow in subtraction?

Back

When the top digit is smaller than the bottom digit, you take 1 from the next column to the left, making the top digit 10 more.

Front

What is the first step in two-digit subtraction?

Back

Line up the numbers by place value (ones under ones, tens under tens).

Front

What do you do if the ones place in the top number is smaller than the bottom number?

Back

You need to regroup by borrowing from the tens place.