1									2
	3
4
							5		6		7
8																	9
															10
			11
		12
													13
14					15
		16
17											18

Across 4. the average of a set of numbers 6. adjacent over hypotenuse 8. a relationship we have learnt 11. the most difficult subject you have ever met 15. writing a polynomial as a product of other polynomials 16. an algebraic expression with equal sign 17. same shape, same size 18. opposite over hypotenuse

Down 1. a polynomial which the highest index is 2 2. the number with the highest frequency in a set of numbers 3. the number in the middle of a set of numbers 5. the point where two lines intersect 7. same shape, different size 9. the longest side in right angle triangle 10. a side in right angle triangle 12. you can measure it using protractor 13. opposite over adjacent 14. a side in right angle triangle