Unit Plan
Mathematics Vision Project

Geometric Figures

For Teachers 10th - 12th Standards
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Lesson Plan
Curated OER

Constructions, Sketches, and Drawings

For Teachers 9th - 12th
Students explore the concept of constructions, sketches, and drawings. In this constructions, sketches, and drawings lesson, students discuss the differences between constructions, sketches, and drawings through teacher led discussion.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Geometer's Sketch Pad Lessons

For Teachers 3rd - 8th
This site contains lessons using Geometer's Sketch Pad for elementary and middle school aged students.
Handout
Math Open Reference

Math Open Reference: Congruent Triangles

For Students 9th - 10th Standards
A complete reference guide to congruent triangles. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.