2digit Sub w/ Regrouping

Front

81 - 27 = ?

Back

54

Front

96 - 27 = ?

Back

69

Front

65 - 29 = ?

Back

36

Front

83 - 49 = ?

Back

34

Front

75 - 26 = ?

Back

49

Front

What is regrouping in subtraction?

Back

Regrouping is when you borrow from the next higher place value to help subtract.

Front

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

Back

You need to regroup or borrow from the next column.

Front

How do you subtract 10 from a two-digit number?

Back

You simply decrease the tens place by 1.

Front

What is the difference between 70 and 30?

Back

40

Front

If you have 50 and subtract 20, what do you get?

Back

30