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