Real Numbers

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Across
  1. 2. The set of whole numbers and their opposites.
  2. 4. A number that cannot be expressed as a ratio due to the fact that there is not a finite number of numbers when written as a decimal.
  3. 6. The set of all positive counting numbers starting with zero.
  4. 7. The set of all positive counting numbers (on a number line) starting with one.
Down
  1. 1. A number when squared that gets a negative result.
  2. 3. The set of ALL natural numbers, whole numbers, integers, rational, and irrational numbers.
  3. 5. The set of numbers that can be written in the form a/b where a and b are integers and b0. (Written as a fraction)