Number System

1234567891011
Across
  1. 4. any real number that cannot be expressed as a ratio a/b
  2. 6. any number that can be expressed as the quotient or fraction
  3. 9. numbers starting from 1
  4. 10. numbers which are divisible by themselves and 1
  5. 11. numbers starting from 0
Down
  1. 1. predecessors of 0
  2. 2. can be written without a fractional or decimal component
  3. 3. a part of a whole
  4. 5. counts the objects that can form an equilateral triangle
  5. 7. numbers divisible by 3
  6. 8. numbers divisible by 2