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Chalking out Some Geometry from a Bit of Trigonometry
		Oleksandr and Gregory extend interpretations of non-piecewise identities for sin^(-1)x+ sin^(-1)y and cos^(-1)x+ cos^(-1)y using several Euclidean geometry statements and illustrations.
		AUTEUR(S): Oleksandr G. Akulov and Gregory V. Akulov
Complex Numbers
		This note is a response to a teacher's request for an explaination of i squared and the square root of i that would be appropriate for secondary level students.
		AUTEUR(S): Harley Weston
Conditional Probabilities and False Positives
		A conditional probability example where your intuition may lead to a poor estimate of the correct probability. The situation described results from false positives in a medical diagnostic procedure.
		AUTEUR(S): Roberta Lahaye and Penny Nom
Consumer Math 10
		This Stewart Resources Centre unit is designed to assist students in the calculation and estimation of income and expenses, the development a budget to guide current and future planning and to communicate a summary of financial projections in appropriate reports, tables and graphs.
		AUTEUR(S): Gail Huber
Consumer Wise (HTML ou PDF)
		This secondary unit helps teach students the importance of being "consumer wise" now and after graduation. Income, Budgeting and Credit, Saving and Loans are a few of the topics discussed in the activities. Worksheets for the activities are included in this unit as well as objectives, evaluation and resources ideas.
		AUTEUR(S): Michelle Profeit
Data Management
		This is the lead article in the fifth edition of Ideas and Resources for Teachers of Mathematics, a newsletter published by the Saskatchewan Mathematics Teachers' Society. The topic of the fifth edition of the newsletter is data management and in this article Vi introduces the topic and presents the view that statistical inquiry by students be developed through authentic developmentally appropriate and curriculum-relevant activities.
		AUTEUR(S): Vi Maeers
Data Management and Analysis: Secondary Level Ideas
		This one of the articles in the fifth edition of Ideas and Resources for Teachers of Mathematics, a newsletter published by the Saskatchewan Mathematics Teachers' Society. The topic of the fifth edition of the newsletter is data management and in this article Jeff outlines how he uses resources and data from the internet to motivate and develop the concept of standard deviation.
		AUTEUR(S): Jeff Walters
Data Management and Analysis: Secondary Level Ideas
		This is one of the articles in the fifth edition of Ideas and Resources for Teachers of Mathematics, a newsletter published by the Saskatchewan Mathematics Teachers' Society. The topic of the fifth edition of the newsletter is data management and in this article Walter shows how he uses data collected from the internet to construct box and whisker plots.
		AUTEUR(S): Walter Wood
Deriving the Slopes of the Angle Bisectors
		In this note Gregory uses a trig identity to develop an expression for the slopes of the angle bisectors of two lines in terms of the slopes of the lines that form the angle.
		AUTEUR(S): Gregory V. Akulov
Diamond Slopes and Speedy Whales via… One Identity
		A trigonometric identity is used to develop a formula for the slope of a rhombus diagonal. This expression is then used to find the velocity of a whale.
		AUTEUR(S): Gregory V. Akulov and Oleksii V. Akulov
Direct and Partial Variations (HTML ou PDF)
		A unit on direct and partial variation that can be taught after the introduction of linear functions.
		AUTEUR(S): Ray Mah
Divisibility of 2n choose n by a prime. (HTML ou PDF)
		Question in Quandaries and Queries about the divisibility of 2n choose n by the product of three primes. This note addresses the simpler problem of the divisibility of n! and 2n choose n by individual primes.
		AUTEUR(S): Penny Nom
Donuts and Do Loops
		In this note Penny shows a connection between the number of ways you can buy a dozen donuts from an unlimited supply of 5 types of donuts, and the number of operations a computer performs as it goes through a do loop.
		AUTEUR(S): Penny Nom
Euclid's proof of the Theorem of Pythagoras
		This note is a response to a question sent to Quandaries and Queries by Sean Smith asking which of the many proofs of the Theorem of Pythagoras is due to Euclid.
		AUTEUR(S): Harley Weston
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.
		AUTEUR(S): Judi McDonald and Harley Weston

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