It was a great experience to have the opportunity to present my case for improving school-level mathematics at TEDx Johannesburg at the exceptional Soweto Theatre today.

During the talk I posed an interesting mathematical question, which is suitable for the Grade 9 level. I am now analysing this further and exploring its solution, which is far easier than it appears on the surface. The question is to evaluate the following expression:

and there are 3 marks given for the answer. [Read more…]