Across
- 4. A line that a curve approaches but never reaches.
- 7. Part of the circumference (edge) of a circle.
- 9. How steep a straight line is.
- 11. Where lines cross over.
- 13. The amount of turn between two straight lines that have a common end point (the vertex).
- 15. A result that has been proved to be true (using facts that were already known).
- 17. An expression that has a square root, cube root, etc.
- 18. Is equal to 1 over tangent.
Down
- 1. When one shape becomes exactly like another if you flip, slide or turn it.
- 2. The study of numbers, patterns, space, and change.
- 3. A symbol for a number we don't know yet. It is usually a letter like x or y.
- 5. The result of adding two or more numbers.
- 6. An idea that something never ends, it is sometimes used like a number but it is not really.
- 8. Is equal to 1 over sine.
- 10. A straight line going through the center of a circle connecting two points on the circumference.
- 12. Moving a shape, without rotating or flipping it. "Sliding".
- 14. A value that you get closer and closer to, but never quite reach it.
- 16. A diagram of values, usually shown as lines or bars.
- 18. The length of the adjacent side divided by the length of the hypotenuse.
- 19. A 3-sided polygon (a flat shape with straight sides).