Week 7: A Reciprocal Sum

Week 7: A Reciprocal Sum This is a bit of a longer problem – and could be expanded to start a nice investigation.  The problem is given below: Teacher notes: Level of difficulty:  Only HL Syllabus knowledge required:  This mixes a knowledge of graphs, ideas in formal proof and differentiation. This is a good introductionContinue reading “Week 7: A Reciprocal Sum”

Week 1: Square Dance

Week 1: Square Dance This puzzle is as follows: For the unit square shown above with vertices at (0,0), (1,0), (0,1) and (1,1), how many different types of functions can you find that go through at least 2 points? Teacher notes: Level of difficulty:  Accessible for strong SL and all HL students. Syllabus knowledge required: Continue reading “Week 1: Square Dance”