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A Northern Light Circle Problem
 
In this note Gregory describes a problem involving Dasher and Dancer moving around a Northern Light Circle.
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.
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.
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.
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.
Angles and Polygons: Mathematics 10 (HTML or PDF)
 
Some main concepts discussed in this Stewart Resource unit are properties of polygons, Pythagorean Theorem and Trionometric Ratios. There are five main sections each with corresponding activities. Activites include sections on Objectives, Background Knowledge, Time frame,Iinstructional Methods, Aadaptive Dimension and Assessment.
Arc Midpoint Algorithm
 
Gregory and Oleksandr have built on the arc midpoint resource and the proof of the arc midpoint formula by constructing an algorithm for finding the coordinates of the midpoint. It is hoped that teachers of high school Mathematics and Computer Science will use these resources to enrich the teaching and learning in both subject areas.
Arc Midpoint Computation Amplified by Gravitation
 
Gregory and Oleksandr use their Arc Midpoint Computation approach to solve a problem concerning gravitational potential energy and then challenge the reader to solve the same problem using an alternative approach.
Arc's Midpoint Turns Kinetic, Adds Applied to Theoretic...
 
Gregory finds another application of his arc midpoint computation, this time to the kinetic energy of an object moving along a semicircle.
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.
Consumer Wise (HTML or 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.
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.
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.
Direct and Partial Variations (HTML or PDF)
 
A unit on direct and partial variation that can be taught after the introduction of linear functions.
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.
 
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