University of Vienna (Austria)
University of Vienna: The Big Derivative Puzzle
Given a set of four graphs, match each graph with the graph of it's derivative. This exercise helps to visualize the relationship between a graph and it's derivative, and over 50 graphs are available (although only four are used at one...
Other
School House Technologies: Free Math Worksheets for Teachers
A collection of math worksheets covering a multitude of math topics.
Can Teach
Can Teach: Math Centers
This page offers a variety of math center ideas for general math and geometry. Instructions on setting up the center are not provided for most ideas, however, those lacking instructions are pretty self-evident.
Oswego City School District
Regents Exam Prep Center: Interactive Games and Puzzles for Algebra 2 & Trig
This educational resource consists of interactive games and puzzles that investigate algebra and trigonometry concepts. Some concepts included are functions, quadratics, and trigonometric graphs. [Requires Java Plugin.]
University of Cambridge
University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.