Archive for August, 2008

1c1 Homework: Is 1 a Prime Number?

Continuing from the discussions we have been having about the “100 lockers” problem. Can you tell me if 1 is a prime number? (and how you have found your answer.)
Mr. Stewart

Maths Teaser: Lockers

Suppose you’re in a hallway with 100 closed lockers against the wall.
You start by opening every locker. Then you go back and close every second locker. Then you go to every third locker and open it if it’s closed, or close it if it’s open. Let’s call this action ‘toggling’ a locker. Continue ‘toggling’ every [...]

Maths Exams: The Results

Now that the exam results are through, the SQA have released their official marking instructions for all the maths exams set in 2008. All levels can be viewed/downloaded here. The Grade Boundaries for all subjects at all levels is also available here.
The poll in the sidebar has been updated to ask ‘what grade did you [...]





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