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 borrowing from the next column.

Front

How do you borrow in subtraction?

Back

To borrow in subtraction, you take 1 from the next left column, decrease that digit by 1, and add 10 to the current column's digit.

Front

What is the first step in solving 605 - 186?

Back

The first step is to line up the numbers by place value: 605 on top and 186 below.

Front

What do you do if the top digit is smaller than the bottom digit in a column?

Back

You borrow from the next column to the left.

Front

Solve: 605 - 186 = ?

Back

419

Front

Solve: 765 - 429 = ?

Back

336

Front

Solve: 1000 - 362 = ?

Back

638

Front

Solve: 412 - 223 = ?

Back

189

Front

What is the result of 1000 - 1?

Back

999

Front

What is the result of 500 - 250?

Back

250