Free Presentations in PowerPoint format

Pre-Algebra (lots!)

List of PowerPoint presentations for Pre-Algebra

Algebra I (Lexington)

Algebra I Online

Polynomial Functions

Algebra (several) 

Algebra II

Algebra II (Lexington)  

Algebra Completing the Square

Linear Algebra

How the ideas and language of algebra K-5 set the stage for algebra 6-12

From Buttons to Algebra

See Also: Exponents, The Pythagorean Theorem

For Kids

Pre-algebra games - Make 24, now Make X

Late Delivery

Count Us In

Equation Match

Planet Hop

Late Delivery

So Many Games! (nlvm, K-12) 

Algebasics 

Absurd Math Game - Pre algebra from another dimension  

Balance Scales 

Math Games

Linear Algebra 

For Teachers

Algebra Review in 10 lessons Interactive 

Real Algebra in grades 1-5 Handout Packet PDF 

Algebra I (interactive, lots!)

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Free Materials for Teachers