Number Plane and Transformations

12345678910111213141516171819202122
Across
  1. 4. (x,y)
  2. 7. Pessimistic.
  3. 11. Most books have lines, but in maths we use a special kind of book.
  4. 12. Mirror.
  5. 14. To change.
  6. 16. Piece of furniture with four legs.
  7. 17. The centre of the number plane.
  8. 19. Converting one language into another.
  9. 21. Two lines crossing at right angles.
  10. 22. To open a door, turn the knob in this direction.
Down
  1. 1. The number plane split into four parts.
  2. 2. Moving something clockwise or anticlockwise.
  3. 3. Another name for the number plane.
  4. 5. A flying transport vehicle.
  5. 6. Up/down direction.
  6. 8. The beggining, first.
  7. 9. The direction to loosen a screw with a screwdriver.
  8. 10. Left/Right direction.
  9. 13. A dot.
  10. 15. Optimistic.
  11. 18. The worth of something.
  12. 20. A transformed shape or point.