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4-colour theorem
A brief history and description of the 4-colour theorem and its proof.
Aboriginal Perspectives
Aboriginal Perspectives is a companion web site to Math Central. It is part of Mathematics with a Human Face. The purpose is to create and make available lesson ideas for teachers, constructed around video clips with an Aboriginal focus. The site is under construction and in its infancy but the intent is that the number of video clips will increase and the lessons will span all areas of the curriculum.

Proceed to Aboriginal Perspectives.
Aboriginal resources in mathematics education
Karen designed this website to assist teachers and pre-service teachers in the area of mathematics from Kindergarten to Grade 12 . Here you will find a multitude of teacher resources to assist you in incorporating Aboriginal content in your mathematics program.
Allison's Star Balls
This resource contains instructions on building a uniform polyhedra "star ball" from modules of folded paper. Animation is used to illustrate the folding of the paper. Students are then challenged to construct other uniform polyhedra from the same modules and to discover how they can be "coloured" by using coloured paper. The construction should be possible for beginning middle year students and some of the questions challenging to students at the upper secondary level.
Approximating pi.
This note is a response to a question sent to Quandaries and Queries by Ben Dixon asking how to approximate pi. Chris wrote a nice description of the method used by Archimedes in approximately 250 BC.
Atlatl Lessons Grades 4-12
The atlatl and dart, the predecessor to the bow and arrow, was very important in the lives of Aboriginals in Saskatchewan and all over the world up until about 2000 years ago. Experiment based lessons allow students to learn about the science behind the weapon system that put humans on top of the food chain. Subject integrated lessons for grades 4-12 in the areas of math, science and social studies based on Saskatchewan curriculum objectives.
Enrichment Project (HTML or PDF)
A personal project developed to create enrichment activities for Geoboards, Napier Rods, and Bean Sticks. Includes annotated links to problem solving Internet Sites.
Estimation of Irregular Surface Areas (HTML or PDF)
Calculating the area of a rectangles, circles, triangles etc.has been been a regular exercise for students of mathematics. Unfortunately much of the world is irregular in shape and design. This exercise introduces the students to estimating the area of irregular surfaces.
Frieze Designs in Indigenous Art
In this article Judi and Harley illustrate the seven frieze patterns using art of the indigenous peoples of North America. They then develope some of the mathematics of frieze patterns at a level that is accessible to many students. The teacher notes contain activities with frieze patterns for students at all levels.
Friezing at Washington State University
This article is part of the Mathematics Notes series at Washington State University. In the article, Judi and Harley start by determining the functions that map the plane back onto itself, while at the same time, mapping a specified line back onto itself and preserving the size and shape of any objects represented in the plane. These are the functions that preserve frieze patterns. The authors then look at the algebraic structure of this collection of functions under the operation of composition, show that there are only seven frieze groups, and illustrate how they are generated. Each frieze group is represented algebraically and geometrically. The article concludes with a tour of the Washington State University campus, looking at the ways in which frieze groups are exhibited and used in our immediate surroundings.
Games from the Aboriginal People of North America
This is a collection of Aboriginal games that teachers can use to integrate culture into Mathematics lessons. The mathematical content includes patterns and relations, probability, data management, numbers and operations, problem solving, critical thinking, and geometry. Students will have fun with the games while they apply their mathematical knowledge.
Garden Shed Project
Larry designed this kit as a project in a mathematics methods class. In it he describes ten activities that result in the construction of a garden shed. The project is geared to students in grades 8 and 9. In constructing the shed students are required to perform geometric measurements, calculate/estimate materials and costs, understand scale in the reading of blueprints and perform many problem solving activities.
Geometry Activities
A collection of activities which deal with geometry concepts. Debbie has gathered these activities from various sources and used them in her middle years classroom.
Introduction to Geometry
This is the lead article in the sixth edition of Ideas and Resources for Teachers of Mathematics, a newsletter published by the Saskatchewan Mathematics Teachers' Society. The topic of the sixth edition of the newsletter is geometry and in this article Vi discusses geometry and problem solving.
Introduction to Slope for Middle Years Mathematics (HTML or PDF)
A collection of lessons which cover the topic of plane Geometry. Lessons introduce the Cartesian Grid, plotting points, graphing lines, Slope, Y -intercepts and more. Lessons include objectives, assignments, CELs and instructional guidelines. Quesions for an open book quiz are also included.



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