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This Bingo style game will help you memorize all those confusing polygon and basic geometry terms.
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This is a nifty tool to help measure angles. The make-an-angle tool is really nice for teaching you how to use a protractor!
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Help the robot destroy UFO’s with this silly little game that classifies angles as acute, obtuse, or right.
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Use this matching game to practice classifying different types of triangles.
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Explore the sum of the interior angles of polygons from triangles to octagons.
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This dynamic paper is a great source for teachers and students. You can create geometric figures, nets, tesselations, number lines, grids, spinners, and graph paper and download it to your computer to print. A very neat tool!
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Sort shapes into Venn diagrams according to their angles and sides.
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Reflect, rotate, and translate different polygons using this tool.
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This is a lesson plan for teachers or parents to use to teach similar figures. In this activity, you will blow up a cartoon character and draw it using grids.
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Sort the pairs of shapes as congruent, similar, or neither.
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This is a nice visual representation of the areas of rectangles, parallelograms, and triangles. It would be a nice addition to a teacher-led demonstration on area.
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This tool allows students to discover the formulas for area of trapezoids, parallelograms, and triangles by changing their height and base.
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See how area and circumference of a circle relate in this interactive lesson. This exploration has it all: guided teaching, student discovery, and practice problems!
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Two visual representations of how to compute pi.
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Which of these nets will form a cube?
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Explore the relationship between the number of faces, edges, and vertices of various geometric solids using this tool.
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Construct images of 3D figures using this nifty drawing tool.
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A look at how the Pythagorean Theorem works. This is probably best as a teacher-led lesson.