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Curated OER

Clip Art by Phillip Martin: Pre Calculus

For Students 3rd - 8th
A clipart illustration by Phillip Martin titled "Pre Calculus."
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Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: The Equation of a Straight Line

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains linear functions and the equation of a straight line. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
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Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Symmetry

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the symmetry of even and odd functions and how to test for these types of symmetry. There are example problems solved, problems for the student to attempt, and answers to the student...
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Mathematics Archives

Math Archives: Visual Calculus: Graph a Function, Its Second Derivative

For Students 9th - 10th
This online tutorial site shows that the concavity of a function is related to the second derivative of the function by using an online graphing system. Inflection points are also briefly discussed.

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