Curated OER
How Big is the Playground: Creating a Map
Students create a topographical map of an area outside of the school. For this mapping lesson, students compile data on angles, distances, and key landmarks for a predetermined area on the school grounds to create a map using Geometer's...
Curated OER
Interior/Exterior Polygon Angles and Tessellations
Students discover the sum of the interior and exterior angles of several polygons. In this Geometers sketchpad instructional activity, students work in groups to find the stated measurements of triangles, quadrilaterals, pentagons and...
Curated OER
Constructing and Measuring Angles
Fifth graders complete an introduction to the Geometer's Sketchpad software. They explore various beginning functions and practice using required tools. Using the sketchpad, 5th graders measure given angles. They complete follow-up...
Curated OER
Types of Triangles
Fifth graders explore the required functions of the Geometer's Sketchpad. Using the computer software, they construct similar triangles and identify them by angles and sides. Students classify triangles. Afterward, they complete problems...
Curated OER
Sketchpad
Students investigate the use of Geometer's Sketchpad when studying geometric terms. They use the visualization tools to complete worksheet and design a picture to print and share with the class.
Other
Ontario Ministry of Education: Grade 8 Gsp Sketches
A wide collection of Grade 8 lessons and sketches for use with The Geometer's Sketchpad can be downloaded here. The files are in GSP, PDF and QuickTime formats.
Other
Ontario Ministry of Education: Grade 9 Gsp Sketches
A wide collection of Grade 9 lessons and sketches for use with The Geometer's Sketchpad can be downloaded here. The files are in GSP, PDF and QuickTime formats.
Other
Ontario Ministry of Education: Grade11 Gsp Sketches
A selection of Grade 11 sketches for use with The Geometer's Sketchpad can be downloaded here. The files are in GSP format.
Rice University
Rice University: Cynthia Lanius: Dueling Pinwheels (Geometer's Sketchpad)
An introductory look at the interactive Geometer's Sketchpad in terms of using it to explore rotations, translations, and reflections. Only a beginner's amount of skill with the program is needed. Exploration questions are given for the...
Texas Instruments
Texas Instruments: The Geometer's Sketchpad App
This App allows students to construct, measure, analyze, and transform geometric diagrams more accurately than with pencil and paper.
Curated OER
Nova Scotia Dept. Of Education: Mathematics 8: Geometry Diagrams
A collection of diagrams that complement Mathematics 8, a Grade 8 Math text, have been posted here. The diagrams were created using The Geometer's Sketchpad,
Other
Java Sketch Pad
Finally, an interactive Sketchpad for geometry that is free! Students are able to understand various theorems, definitions, and objects through observations and explorations using an interactive applet.
University of Georgia
University of Georgia: Inter Math: Constructionary
The activity is designed to help learners create constructions using Geometer?s Sketchpad. The geometry tutorial consists of definitions and pictures of mathematics terms.
National Council of Teachers of Mathematics
The Math Forum: Geometry Turned On
This Math Forum site contains many mathematical and geometric explanations and proofs of many different topics that have been done using a geometry software called Geometer's Sketchpad. The explanations are very detailed and clear;...