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Graham's number

If you were asked what the biggest number you can think of is, what would you say? Infinity? Well, what about the biggest finite number you can think of? Mathematician Ron Graham came across such a gigantic number in his research that, to capture its massive size, he and his colleagues needed to come up with new methods ...


Wat Si Saket Monastery - mathematics activities

This photograph of a section of one of the temples at Wat Si Saket in Vientiane, Laos, suggests explorations of the concept of geometric perspective relationships. This concept provides a link between the visual arts (drawing, design and photography) and mathematics. Teachers are encouraged to scan all the ideas suggested ...

Teacher resource

Limits and continuity

This is a teacher resource for limits and continuity consisting of a website, a PDF with identical content and a number of screencasts discussing the solutions of exercises. An informal understanding of limits and continuity is important for secondary school calculus. This module provides this informal treatment and indicates ...

Teacher resource

Introduction to differential calculus

This is a teacher resource for an introduction to differential calculus, consisting of a website and a PDF with identical content. It contains an introduction to differentiation. It contains a discussion of the properties of the derivative of a given function and introduces and proves the chain rule, product rule and quotient ...