National Council of Teachers of Mathematics
Nctm: Illuminations: Shape Tool
This tool allows you to create any geometric shape imaginable. Squares, triangles, rhombi, trapezoids and hexagons can be created, colored, enlarged, shrunk, rotated, reflected, sliced, and glued together.
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...
National Council of Teachers of Mathematics
Nctm: Illuminations: Geometric Solids
This tool allows you to manipulate various geometric solids and investigate their properties.
Annenberg Foundation
Annenberg Learner: Teacher's Lab: Shape and Space in Geometry
Online activities are given to explore space and shape in geometry.
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...
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...
University of California
Berkeley Art Museum and Pacific Film Archive: Cotton Pickers by Romare Bearden
The Berkeley Art Museum publishes an activity based on Romare Bearden's The Cotton Pickers that helps young learners identify the geometric shapes used in the composition. Also discusses the artist's use of color to evoke mood.
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...
National Council of Teachers of Mathematics
Nctm: Illuminations: A Geometric Investigation of (A + B)2
This interactive demonstrates why (a + b)2 = a2 +2ab + b2.
Alabama Learning Exchange
Alex: Geometric Man
The students will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book Shape Up! Fun With Triangles and Other Polygons by David A. Adler. They will also...
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.
National Council of Teachers of Mathematics
Nctm: Illuminations: Patch Tool
Use this tool to design a pattern using geometric shapes.
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...
Kinder Art
Kinder Art: Flowers & Georgia O'keeffe (Lesson Plan)
Students will have the opportunity to create a drawing of a flower using Georgia O'Keeffe as their inspiration. They will develop skills in drawing and composition and understand the difference between realistic and abstract art.
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.
NC State University
The Engineering Place: Shapes
A lesson in creating 3-D solids using toothpicks and marshmallows.
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.
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.
Other
Villanova University: Constructing a Dichotomous Key
This exercise provides information on how to construct a dichotomous key using geometrical shapes. Another exercise shows how a key can be constructed based on traits in a classroom group.
Kinder Art
Kinder Art: Giant Stuffed Birds (Lesson Plan)
A lesson plan for grades 2-4 submitted by a classroom teacher.
Kinder Art
Kinder Art: Norval Morrisseau (Lesson Plan)
A wonderful educational art site from KinderArt that includes creating a work of art in a style similar to that of Morrisseau. Includes a short biography, art vocabulary, and information on Ojibwa culture.
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.
National Gallery of Art
National Gallery of Art: The Art Zone
Ten interactive activities that allow you to use the computer to create and manipulate works of art.
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.
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