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 is the first step in 2-digit subtraction with regrouping?

Back

The first step is to check if you need to regroup. If the top digit is smaller than the bottom digit in any column, you will need to regroup.

Front

Solve: 75 - 36

Back

39

Front

Solve: 43 - 19

Back

24

Front

Solve: 65 - 41

Back

24

Front

Solve: 64 - 44

Back

20

Front

What do you do if 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, making the tens place one less and adding 10 to the ones place.

Front

What is the difference between 84 and 36?

Back

48

Front

What is the difference between 56 and 29?

Back

27

Front

What is the difference between 72 and 45?

Back

27