Two-Digit Subtraction with Regrouping

Front

What is two-digit subtraction with regrouping?

Back

It is a method used to subtract numbers that have two digits, where you may need to borrow from the next higher place value.

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

How do you subtract 7 from 9 in the ones place?

Back

You can subtract directly because 9 is greater than 7, so 9 - 7 = 2.

Front

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

Back

You need to regroup by borrowing from the next column.

Front

Calculate: 97 - 86 = ?

Back

11

Front

Calculate: 81 - 56 = ?

Back

25

Front

Calculate: 74 - 31 = ?

Back

43

Front

Calculate: 64 - 26 = ?

Back

38

Front

If Bob has 79 blocks and gives away 54, how many does he have left?

Back

25 blocks.

Front

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

Back

Look at the ones place and see if you can subtract without regrouping.