Zero is the number that separates positive from negative and marks the origin on a number line. Adding zero changes nothing, multiplying by zero gives zero, and dividing by zero is undefined.
Math Dictionary / Zero
Zero
Zero is the number that represents none or no quantity.
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What it means
Zero is neither positive nor negative, and it is the additive identity.
Also called: 0, additive identity
Examples
| 5 + 0 = 5 |
| 0 is an integer |
| 0 is a whole number |
Common mistake
Zero is even, but it is not positive or negative.
Try one
Question: What is 12 + 0?
Show answer
12.