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ResourceSpotlight
Students draw figures in one- and two-point perspective and compare and contrast the two types of drawings. They then create an isometric drawing and compare it to their drawings in perspective.
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Texas Instruments, Inc.
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Graphs of points, lines, line segments, rays and angles. Good description.
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Math.com
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A helpful scientific calculator that runs in your web browser window.
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Holt Online Learning
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Definition and properties of a decagon
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Math Open Reference
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This webpage gives a brief look at 3-D rectangular (Cartesian), cylindrical and spherical coordinate systems. There is also a "Learn more by exploring tutorial" link that demonstrates how to plot a point in the rectangular coordinate system.
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Electron 9
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This provides on of the few online functions to interactively graph 3D coordinates.
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Mathlets
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Definition and properties of a dodecagon
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Math Open Reference
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Formula and description of the volume of a cylinder.
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Math Open Reference
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An interactive applet that allows you to see the effects of changing the coeeficients in a cubic function using sliders
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Math Open Reference
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