Vocabulary to do with numbers

12345678910111213
Across
  1. 2. The number on the bottom of a fraction
  2. 5. The number on top of a fraction
  3. 7. Numbers below zero
  4. 8. A number that goes into a bigger number exactly
  5. 9. In the times table of that number
  6. 11. Numbers that can be made by multiplying two identical numbers together
  7. 13. Numbers that only have 2 factors
Down
  1. 1. Numbers that are bot divisible by 2
  2. 3. Numbers that can't be expressed as a fraction
  3. 4. Where the number of dots can be drawn to make a pyramid shape
  4. 6. Number that can be expressed as a fraction
  5. 10. Whole numbers only
  6. 12. Numbers divisible by 2