Worksheet
Curated OER

Discrete Math Review Problems

For Students Higher Ed
In this discrete review problem worksheet, students prove statements using induction. This two-page worksheet contains 4 problems.
Handout
Purple Math

Purplemath: Proving Trigonometric Identities

For Students 9th - 10th
An "identity" is a tautology, an equation or statement that is always true, no matter what. Proving an identity is very different in concept from solving an equation. This resource demonstrates some useful techniques for proving...
Handout
Other

Cal State Fullerton: Common Fallacies in Reasoning

For Students 9th - 10th Standards
This page from California State University at Fullerton list twenty-three common fallacies in reasoning. Each includes an explanation and two examples. The list includes the following: faulty cause, sweeping generalization, hasty...
Handout
Other

Bob's Byway: Glossary of Poetic Terms

For Students 9th - 10th
Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.