Subtraction of 3 digit numbers with and without regrouping

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What does regrouping mean in subtraction?

Back

Regrouping is when you rearrange numbers to make subtraction easier, especially when the top number is smaller than the bottom number in a column.

Front

163 - 137 = ?

Back

26

Front

634 - 175 = ?

Back

459

Front

495 - 267 = ?

Back

228

Front

863 - 805 = ?

Back

58

Front

376 - 104 = ?

Back

272

Front

What is the first step in subtraction?

Back

The first step is to line up the numbers by their place values (hundreds, tens, and ones).

Front

How do you subtract numbers without regrouping?

Back

You subtract each column starting from the rightmost side, without needing to borrow from the next column.

Front

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

Back

You need to regroup or borrow from the next column to make the top number larger.