Real Numbers

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Across
  1. 3. Two lines or shapes that lie exactly on top of each other
  2. 6. a number which is not a fraction; a whole number
  3. 7. an ____ number is any real number that cannot be expressed as a ratio of integers
  4. 12. The largest common factor of two or more numbers is called the
  5. 13. _____ is an unbounded quantity that is greater than every real number.
  6. 14. the operation of resolving a quantity into factors
  7. 15. a _____ is any number that can be expressed as the quotient or fraction p/q
  8. 17. ____ numbers are written to the left side of zero on a number line
  9. 19. ___ numbers called counting number. one of the positive integers or zero
  10. 21. A ____ number is a positive integer that has at least one positive divisor other than one or the number itself.
Down
  1. 1. a line on which numbers are marked at intervals, used to illustrate simple numerical operations
  2. 2. a _____ number is a positive integer that is equal to the sum of its proper positive divisors
  3. 4. Two or more lines that meet at a point are called
  4. 5. A _____ decimal is a decimal that ends.
  5. 8. _____numbers are the positive integers (whole numbers) 1, 2, 3, etc
  6. 9. ____ numbers are written to the right of zero on a number line
  7. 10. number which produces a specified quantity when multiplied by itself
  8. 11. The basic calculations we make in everyday life:
  9. 16. The ____ of two numbers is the smallest number (not zero) that is a multiple of both.
  10. 18. a process or set of rules to be followed in calculations or other problem-solving operation
  11. 20. In mathematics, a "helping theorem