2 digit subtraction with regrouping

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you borrow from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Front

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

Back

You borrow 1 from the tens place, which makes the ones place in the top number larger.

Front

Solve: 42 - 23

Back

19

Front

Solve: 75 - 27

Back

48

Front

Solve: 43 - 19

Back

24

Front

Solve: 90 - 34

Back

56

Front

Solve: 65 - 27

Back

38

Front

What is the first step in subtracting two-digit numbers with regrouping?

Back

Identify if you need to regroup by checking if the top digit is smaller than the bottom digit.

Front

What does it mean to borrow in subtraction?

Back

To borrow means to take 1 from the next higher place value to make the current digit larger for subtraction.

Front

If you borrow from the tens place, what happens to the tens digit?

Back

The tens digit decreases by 1.