Real Number System

123456789
Across
  1. 2. A number that can't be written as a fraction
  2. 5. Positive or negative whole number
  3. 7. Part of a whole
  4. 8. A number which produces a specified quantity when multiplied by itself
  5. 9. A set of which all the elements are also contained in another larger set
Down
  1. 1. A number that can be written as a fraction
  2. 3. A number whose square root is an integer
  3. 4. Numbers based on the powers of ten
  4. 6. Change to an equivalent form