maths puzzle

12345678910
Across
  1. 6. Under root 25 is a ___ number.
  2. 7. Contains finite number of digits after decimal point.
  3. 10. 1 and 2 are vertically opposite ___.
Down
  1. 1. 12-6=6.
  2. 2. Number of times.
  3. 3. To draw shapes, angles or lines accurately.
  4. 4. 12+6=18.
  5. 5. Three sides.
  6. 8. a^m * a^n = a^m+n is an ___ property.
  7. 9. Two lines ___ at point O.