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Central Lyon CSD

High School

Welcome to My Page

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Hi!  My name is Andrew Stegemann and I began teaching HS Math at Central   Lyon in 2008.  The classes I teach include:  General Math, Algebra I, Geometry, and Consumer/Business Math.  This will be my final year teaching at Central Lyon.  I have enjoyed my nine years at CLHS and want to . . .

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Calculator Information

Students in General Math, Algebra I, Geometry, and Consumer/Business Math are not required to have a calculator, but it is recommended .  I have a set of calculators that students can borrow during class, but I don't allow them . . .

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Online Geometry Reference

Math Open Reference is a great online reference for Geometry students. I use it occasionally during class because of the interactive shapes and figures that can be manipulated by the user.  It also covers virtually every topic that we . . .

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I Need Help with MATH!

Need some extra help with the lesson from class today?  Were you gone and don't know where to start with the homework assignment?  Parents - can't remember how that procedure works?   Khan Academy is a wonderful . . .

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When Will I Ever Use This?

The question I hear most often from students every year is, "When are we ever going to use this?"  Usually, it's asked by exasperated students in the middle of learning a challenging concept, but it's certainly a valid . . .

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