Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any column, requiring you to borrow from the next column.

Front

How do you borrow in subtraction?

Back

To borrow, you take 1 from the next left column, reducing it by 1, and add 10 to the current column to make it easier to subtract.

Front

What is the result of 803 - 458?

Back

345

Front

What is the result of 82 - 36?

Back

46

Front

If there are 52 students and 16 are girls, how many boys are there?

Back

36 boys

Front

What is the total when you add 58 and 31?

Back

89

Front

How do you check your subtraction answer?

Back

You can check your subtraction by adding the difference to the smaller number to see if it equals the larger number.

Front

What does it mean to 'regroup' in subtraction?

Back

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

Front

If you have 323 postcards and use 125, how many are left?

Back

198 postcards

Front

What is the first step in solving a subtraction problem with regrouping?

Back

Identify if you need to borrow from the next column.