One - 1
- One times any number is equal to that number. [667 x 1 = 667]
- Any number divided by one is equal to that number. [42 ÷ 1 = 42]
- One (1) is a factor of every number.
- Negative one (–1) is a factor of every number.
- Every number times its reciprocal equals one (1).
- A proper fraction has a value less than one whole (1).
- An improper fraction has a value greater than one whole (1).
- Unity is the fraction that has a value equal to one whole (1).
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