University of Cambridge
University of Cambridge: Nrich: Making Boxes
Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.
University of Cambridge
University of Cambridge: Nrich: Making Cuboids
How many different cuboids can you make? Learn how and learn how to represent data with your results.
University of Cambridge
University of Cambridge: Nrich: Octa Space
At this one page web site see if you can solve this puzzle involving the edges of an octahedron. You will definitely need to use your problem solving and spatial reasoning skills for this!
University of Cambridge
University of Cambridge: Nrich: Penta Place
Sharpen your logic and pattern recognition skills while working on this challenge. Solution included.
University of Cambridge
University of Cambridge: Nrich: Sometimes We Lose Things!
On this one page website sharpen your logic, base nine, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Seven Sticks
On this one page website sharpen your logic, triangle properties, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Other
Aristotle & Logic: Syllogisms & Inductive Reasoning
From a larger college website, this page provides a good description of syllogisms as well as inductive reasoning.
Other
Motif Plays Backgammon: A Game of Strategy
A very challenging game of strategy and skill from Backgammon Galore. The student plays backgammon against a computer program. Included is a page on instructions so the student can learn the game.