Subtraction Without Regrouping

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the process of taking one number away from another.

Front

What does 'without regrouping' mean in subtraction?

Back

'Without regrouping' means that when subtracting, each digit in the top number is larger than the corresponding digit in the bottom number, so no borrowing is needed.

Front

673 - 242 = ?

Back

431

Front

452 fish are in the pond. Fishermen catch 121 of them. How many are left?

Back

331

Front

954 - 732 = ?

Back

222

Front

798 - 498 = ?

Back

300

Front

298 - 154 = ?

Back

144

Front

What is the first step in subtraction?

Back

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

Front

How do you subtract in the ones place?

Back

Subtract the digit in the ones place of the bottom number from the digit in the ones place of the top number.

Front

How do you check your subtraction answer?

Back

You can check your subtraction answer by adding the result to the number you subtracted from; it should equal the original number.