The assessment is stored in Word 6.0 format, which is readable both in Windows and Mac environments. The new assessment includes: Greed! an activity to introduce probability concepts Dice Difference an excellent probability assignment Cross the River an introduction to algebra based on a well-known puzzle. Starts with pattern searching, and ends with Diophantine Equations! Four exams teachers have asked to see senior exams in their entirety, rather than just individual questions. Here are 4 complete exams from Year 12 Maths C Integer Magic two great activities to reinforce integer addition Efficiency Ratio an assignment where students compare the 'efficiency' (ie volume:surface area)of a tin can to that of an egg.