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Function Carnival helps students get a handle on confusing graphs lessons and helps them experiment to resolve misunderstandings. Through video, graphing, and replaying graphs as animations students can begin to construct their own understanding of what these graphs really mean.

"A nifty interactive trigonometry graph and circle featuring the six basic trig functions. By Matthew Trost. You need Flash to view this page. Get Adobe Flash player "

Free math graphing tool Desmos released Polygraph, a collection of four new classroom activities focused on a game involving lines, parabolas, rational functions and hexagons. It works like Guess Who, where one partner picks a graph and another asks yes/no questions to figure out what the graph is!