Unit Plan
University of Saskatchewan (Canada)

University of Saskatchewan: Triangles

For Students 9th - 10th
This site from the University of Saskatchewan provides an explanation of similar triangles, the Pythagorean theorem, and the distance between arbitrary points in a plane. Example problems for each of these concepts are provided.
Activity
Other

Math Mistakes: Common Algebra Mistakes

For Students 9th - 10th
Learn from other student's mistakes by reviewing examples of the following Algebra topics: rational expressions, radical expressions, function notation, solving linear equations, solving linear inequalities, solving quadratic equations,...
Unit Plan
CK-12 Foundation

Ck 12: Analysis: Positions and Midpoints in Two Dimensions

For Students 11th - 12th
[Free Registration/Login may be required to access all resource tools.] Position vectors and identifying midpoints in 2 dimensions
Unit Plan
Khan Academy

Khan Academy: Least Common Multiple

For Students 5th - 7th
Find the lcm (least common multiple) of pairs of integers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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