The following are PDF files for use with Adobe Reader. They are currently set for a 4x3 aspect ratio and black letters on gray background, but this can easily be changed.
Stuff You Should Already Know (by ninth grade).
Why Learn Math?
Introduction to Algebra Simplifying linear and quadratic expressions.
Computing Square Roots using Sequential approximation
Is the Square Root of 2 Irrational?
Introduction to Geometry
How do we know what we know? (proofs)
Imaginary and Complex Numbers
Introduction to Graphics Calculators
Graphics Calculators and Multiple Choice
Tic Tac Toe The final word.
Feel free to contact me for suggestions: