PBS
Pbs: Toothpicks: Patterns in Geometric Shapes
How can you describe the pattern made by a growing triangular shape? This interactive exercise focuses on using what you know about pattern recognition and completing a table so you have data you can use to graph the coordinates on a...
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Formulas
This tutorial will show you how using formulas can help you solve problems. Include formulas for various geometric shapes and steps showing how to use them.
Alabama Learning Exchange
Alex: "Tan"
The Chinese character mark formerly known as "Tan" is the first of two lessons to introduce first grade students to geometry using tangrams. This lesson incorporates history, math, and language arts. In this lesson students will be able...
Alabama Learning Exchange
Alex: Guess My Shape
The students will make the connection between 2-D and 3-D shapes using modeling clay and geometric solids and participate in an interactive web lesson. Students will make predictions about what 2-D shape they think will be made when they...
Alabama Learning Exchange
Alex: What Can Shapes Be
This is a hands-on lesson plan that will help young scholars explore shapes in their environment. Students will work in diverse groups to complete this activity. Young scholars will make a class book of their findings.This lesson plan...
Math Open Reference
Math Open Reference: Polygon
A complete reference guide to polygons. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Technovation
Curiosity Machine: Challenges: Make a Flat Ball
Using simple geometric shapes cut out of paper and taped together to create a ball that is as round as possible with this challenge. This page also includes a lesson plan, tips, and a place for students to document their engineering...
National Council of Teachers of Mathematics
The Math Forum: Defining Geometric Figures
This site provides an in-depth definition of a two-dimensional figure and a three-dimensional figure. Related terms include arcs, vertices, polygon, and many more.
Rice University
Rice University: Cynthia Lanius: Rectangle Pattern Challenges
Students use rectangles to explore patterns. Once they understand the concept, students can create their own patterns for others to explore.
Better Lesson
Better Lesson: Looking at the Similarities and Differences
La, La, La, La, La, sing a happy song! You will be signing like a Smurf as students use their new founded knowledge of shape characteristics to participate in a whole group discussion and to successfully participate in geometric learning.
Rice University
Rice University: Cynthia Lanius: Geometry Online
This is a site for geometry lovers. Chock-full of puzzles, games, interesting geometry facts, and online activities.