number system

1234567891011
Across
  1. 6. The combination of rational and irrational number is called ______
  2. 7. Product of two even numbers is always ________
  3. 8. Counting numbers are called _______ numbers
  4. 9. All natural numbers are ________ numbers
  5. 10. The number in p/q form
Down
  1. 1. All natural numbers together with zero and negatives of all natural numbers form the set of _____
  2. 2. There are ________ many rational numbers between any two rational numbers
  3. 3. ______ of a number is one of two equal factors of the number
  4. 4. Decimal expansion of any rational number is terminating or ________
  5. 5. √3 is a _______ number
  6. 11. The sum of even and odd is always