Problem Solving Activity ( Crossword Puzzle)

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Across
  1. 5. Number neither positive nor negative.
  2. 7. Both positive and negation numbers are called as ______.
  3. 8. Counting numbers are also called as _______.
  4. 9. Numbers have only two factors- 1 and number itself.
  5. 10. Any number/zero is _______.
  6. 11. Number which has more than 2 factors.
  7. 12. Numbers can be divisible by 2.
  8. 13. Numbers which can be in the form p/q.
  9. 15. Numbers after adding 1 to every even numbers.
Down
  1. 1. A pair of numbers having no common factor.
  2. 2. Some of the rational numbers will be ________.
  3. 3. Numbers consisting both rational and irrational numbers.
  4. 4. Numbers which cannot in the form p/q.
  5. 6. Common factor of prime numbers.
  6. 14. Only even prime factor is _____.