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1voteTests understanding of acute, obtuse, right, and vertical angles. (see comment for details)
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1voteThis is a great web site if you are interested in helping your students see their work in math connected to the real world. While it is not a website that students can work on alone, it provides information and resources that you can work into an incredible lesson. is one that you can incorporate into a larger lesson.
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1voteThis online tool allows students to visually explore the relationship outlined in the Pythagorean Theorem.
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1voteThis resource provides countless math tools for kindergarten through high school teachers.
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1voteA succinct and clear exposition of geometry. Enjoyable:4/5. Interesting: 5/5. Learn: 5/5 if you are looking to learn geometry.
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1voteThis resource is an excellent tool for tenth graders when introduced with transversals, obtuse angles, acute angles, and when tenth graders are doing proofs. Furthermore, teachers can have a field day with this applet when teaching this topic, and looking for ways to explain the definitions of certain mathematics terms. Rating: Enjoyable - 2 Interesting - 3 Learn- 4
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1votePhoto gallery of crop circles.
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1voteChinese Tangram puzzle This web site is in German, but if you click on the Java applet instructions will be in English!
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1voteGreat *free* math resources for teachers/students.
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