Simple tutorials on triangles and their properties, polygons, symmetry, angles and much more.
#Free online geometry calculator plus
Topics include shapes, angles, transformations, lines, polygons, symmetry, circles, Pythagorean Theorem, and constructions.īasic tutorials and quizzes on common geometry topics found in middle and high school.īoth online and printable versions includes area and volume formulas for common shapes plus Pythagorean Theorem. Short revision (review) "bites" with some activities and short tests for middle/high school level. While most of the content is accessible by a fee only, some lessons are available as free samples. The course concentrates on geometry and trigonometry but includes a few other topics as well. The lessons in it contain interactivity, explanations, and quiz questions. It is meant for K-8 teachers but will work well for middle school students as well.Ībsorb Mathematics is an excellent interactive course written by Kadie Armstrong, a mathematician. This online geometry course includes readings, problems, videos, interactive activities, homework problems and solutions. Detailed lessons about angles, triangles, quadrilaterals, circles, similar triangles, parallelograms, polygons, and trapezoids.
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