Free geometry worksheets and activities
This geometry section will help your child to become familiar with the basic concepts of planes, spaces, points, lines, the x-y-z coordinate system, angles, circle geometry, perimeters, area, and volume.
Note: Each of the sub-sections listed below includes a listing of related geometry worksheets for practice with the concepts.
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General
View a listing of common geometry formulas. e.g. for calculating circumference, area, and volume.
Shapes and Figures
See descriptions and illustrations of various 2D Shapes. e.g. polygons, triangles, parallelograms.
Discover the properties of special types of quadrilaterals including the Rhombus and the Kite.
Lines and Angles
Take a foundation lesson on angles that illustrates how angle measurement is related to parts of a circular rotation.
Explore the relationships between supplementary, corresponding, and alternate angles
Find "missing angles" by using the relationships between angles formed by various shapes.
Try the lesson on lines of symmetry with activities and worksheets to develop and understanding of symmetry.
Area and Volume
Calculate area of different shapes and learn about of the various associated units of measurement.
Discover how nets are used to help understand and calculate the surface area of 3D shapes.
Coordinate System
Explore how x and y-axes on a grid are used to locate the coordinates of ordered pairs.
Pythagorean Theorem
Congruence, Similarity & Transformations
Get started with transformations with a lesson on congruence of triangles and other shapes.
Transform the size of shapes with dilations calculate and plot transformations on a Cartesian plane.