3 Unit Assessment Tuesday 17 March

16 03 2009

The assessment task (test) will be on Tuesday 17th March at 8:00am. The task will contain questions on Permutations, Combinations as well as some harder 2 Unit Algebra questions. Some sites that may be useful are:
http://www.themathpage.com/aprecalc/permutations-combinations.htm

http://mathforum.org/dr.math/faq/faq.comb.perm.html

http://betterexplained.com/articles/easy-permutations-and-combinations/

Google is a wonderful thing :)





A good process for Permutations & Combinations

1 03 2009

I found this really useful article that describes using a flowchart how to attack any “counting” problem.

http://www.mansw.nsw.edu.au/members/reflections/vol21no1_larkin.htm

Remember:

Arranging – use a permutation (order is important in arrangements)
Choosing – use a combination (the order doesn’t matter, just whether something was chosen.

AND – multiply
OR – add – mutually exclusive





A good article for Perms & Combinations

22 02 2009

This article http://www.mansw.nsw.edu.au/members/reflections/vol23no4yen.htm explains common permutation and combination questions really well








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