Free Teacher, Parent & Student Education Resources

## Geometry

 Worksheets Lesson Plans
Online Activities
Protractor - What's my Angle? An interactive investigation & introduction to a protractor, angles & measuring angles.
Coordinates - Simple activity on the graphing of coordinates.
Baseball Geometry - Different types of angles and how to label angles. Learn about different types of angles and how to label angles. Identify different polygons. Learn to find the perimeter of a rectangle and the area of a rectangle. Circle: find the circumference & the area.
Geometry Activities - Matching, Flashcards, Concentration & Word Search activities.
Lesson & Interactive questions - Read lessons, see examples, do problems. Answers checked online. History of Geometry, Hidden Irrationals, Line segments, Polygons, Isosceles Triangle Puzzler, Impossible Triangles, Circles around Pythagoras, SAT-Type Quiz - graded online. The Golden Ratio & Experiment with Volume.
Online Lesson & Quizzes - Geometry words, Coordinates, Pairs of lines, angles, intersecting lines, Circles, Polygons, Triangles, Quadrilaterals, Area of polygons & circles & more.

## Geometry

 Worksheets Lesson Plans
Online Activities
Building Houses - The idea is to build up the solid shape indicated by the views to the left - but only using the number of cubes given. There are 10 problems.
Solids - Manipulate solid objects in ways you never could in "real life". These pages on solid 3D geometry collect together integrative resources on the Platonic solids, pyramids, prisms, polyhedra, impossible objects, constructing 3-dimensional shapes & isometric views.
6-8 Geometry Activities & Lessons - Lines & angles, Quadrilaterals & other polygons, Triangles, Right triangle trigonometry, Similarity & transformations & Three-dimensional figures.
9-12 Geometry Activities & Lessons - Lines & angles, Reasoning & proof, Area Quadrilaterals & other polygons, Triangles, Similarity & transformations, Right triangle trigonometry, Circles & Three-dimensional figures.
Geometry Quiz - Covering triangles, quadrilateral, symmetry, quadrilateral, pentagon, rhombus, trapezium, faces, reflection, rotation & more
Angles Matching - A concentration type game the reviews angles & triangles. Obtuse, Isosceles, Scalene, Interior, angles & triangles.