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4-colour theorem
		A brief history and description of the 4-colour theorem and its proof.
		AUTHOR(S): Chris Fisher
A geometric view of the square root algorithm (HTML or PDF)
		A geometric description of the square root algorithm.
		AUTHOR(S): A. Grzesina
A note on standard deviation. (HTML or PDF)
		A note on the concept of variation in a data set, and a rational for using standard deviation as a measure of this variation.
		AUTHOR(S): Harley Weston
A Problem To Reflect On (HTML or PDF)
		This note demonstrates a solution, using only elementary geometry, to a typical calculus max-min problem .
		AUTHOR(S): Rick Seaman
A Rise over Run, and a 10 versus 1
		A diamond slope, or the slope of the angle bisector, is considered in this note as a generalization of two well-known slope relationships. This general approach is compared then with well-known approaches using various examples.
		AUTHOR(S): Gregory V. Akulov
A Trig Exercise Inspired by the Use of a Graphing Calculator. (HTML or PDF)
		An example of a problem in algebra or trigonometry that is motivated by an exercise with a graphing calculator. The graph leads to an exercise with a trigonometric identity.
		AUTHOR(S): Rick Seaman
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.
		AUTHOR(S): Faculty and Students at the University of Regina
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.
		AUTHOR(S): Karen Arnason
Add! Don't subtract!
		This is one of a collection of teaching activities on Statistics Canada's Web site. This activity shows students that the answers to the census become useful in decision making when they are totalled and associated with geographic areas. Students will engage in activities centred on using a neighbourbood map, summarizing data about persons in households, and making decisions based on the results of their calculations (2 class periods). This is a pdf document and Acrobat Reader is required to view it.
		AUTHOR(S): Statistics Canada
Against all Odds (HTML or PDF)
		This unit was developed for the beginning secondary level and gives students a chance to both learn valuable mathmatics skills and to become aware of the impact gambling has on our society. The unit provides objectives, evalution ideas and suggested activities for students. Also listed are resource materials that can be used with this unit.
		AUTHOR(S): Murray Sanders and Eric Hamm
Age and Sex
		This is one of a collection of teaching activities on Statistics Canada's Web site. In this activity, students create and analyse a population pyramid based on age and sex data from the 2001 Census. (1-2 class periods)
		AUTHOR(S): Statistics Canada
Agriculture at a Glance
		This is one of a collection of teaching activities on Statistics Canada's Web site. This activity introduces students to an overview of the Census of Agriculture. It helps them understand why a record of Canada's most important primary industry is needed every five years. Students will begin to form values about the place of agriculyure in today's society (1-2 class periods). This is a pdf document and Acrobat Reader is required to view it.
		AUTHOR(S): Statistics Canada
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.
		AUTHOR(S): Stacey Wagner and Jason Stein
An Arc Midpoint Computation Lesson
		In this note the authors give an expression for locating the midpoint of a circular arc.
		AUTHOR(S): Gregory V. Akulov and Oleksandr (Alex) G. Akulov
An Arc Midpoint Computation Proof
		In this note the authors give an proof of the expression for locating the midpoint of a circular arc that was given in his note with Gregory V. Akulov.
		AUTHOR(S): Oleksandr (Alex) G. Akulov

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