➖ Subtraction Basic
7 fun facts about Subtraction Basic. Tap a fact to read more.
Subtracting means taking some away to get a smaller number.
The minus sign (−) tells you to take away.
When you take zero away, the number stays the same.
If you take a number away from itself, you are left with zero.
Subtraction is the opposite of addition — it undoes it.
You can check subtraction by adding the answer back.
Draw one line on a minus sign and it turns into a plus.