This page has information on different size algebra tiles and how they work.
This link is a self test or could be used as an activity page for students.
Multiplying and Factoring Polynomials using Algebra Tiles
This page is a lesson plan or ideas for teachers on how to help their students use algebra tiles.
This page shows how teachers can represent adding and subtracting using algebra tiles.
Factoring Polynomials using Algebra Tiles
This site is for the 9th grade level and it shows how to factor quadratic trinomials using algebra tiles.
This game allows you to use algebra tiles to figure our equations. This is a hands-on activity.
This site has a lesson and activites for using algebra tiles.