Activity
University of Cambridge

University of Cambridge: Nrich: Transformations on a Pegboard

For Students 3rd - 5th
This one page website can expand your logic, Motion Geometry and pattern recognition knowledge. The solution is available to double check your answers.
Activity
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: The Geometry of Quilts [Pdf]

For Students 3rd - 8th
Investigating designs and shapes in quilts around the world is the activity in this internet exploration. Learners will also design their own quilt on paper or on the computer. Acrobat Reader required.
Lesson Plan
PBS

Pbs Mathline Lesson Plan: Sidewalk Capers [Pdf]

For Teachers 3rd - 5th
The objective of this lesson is for students to, "explore spatial relationships by determining the area of various shapes and creating tessellation patterns." Using a variety of hands-on activities, students apply concepts of geometry,...
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Lines, Rays, Line Segments, & Planes

For Teachers 3rd - 8th Standards
This robust lesson plan for upper elementary and middle school grades introduces the concepts for lines, rays, line segments, and planes. Resources are linked to it and ready for your use.
Activity
University of Cambridge

University of Cambridge: Nrich: Cubes Within Cubes

For Students 3rd - 4th
On this one page website sharpen your logic, geometry, spatial thinking, and problem solving skills while working on this challenge. The solution is available to double check your solution.
Activity
National Council of Teachers of Mathematics

The Math Forum: What Is a Tessellation?

For Students 3rd - 8th Standards
The Math Forum defines and illustrates geometric tessellation.
Website
US Department of Education

Helping Your Child Learn Math: Math in the Home

For Students Pre-K - 1st
An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....
Whiteboard
ClassFlow

Class Flow: Tangram Fun

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] In this flipchart students will practice geometric and spatial reasoning as they read and respond to a story about a magic window.
Website
Scholastic

Scholastic: I Spy

For Students Pre-K - 1st Standards
These interactive matching games for elementary age students combine visuals of familiar objects and rhyming riddles to create brain-teasing puzzles.
Activity
University of Cambridge

University of Cambridge: Nrich: Dicey

For Students 3rd - 8th
If you can visualize a cube and turn it around in your mind, then this is the challenge for you. This one page website has the solution available to check your thinking.
Activity
University of Cambridge

University of Cambridge: Nrich: Where Are They?

For Students 3rd - 8th
Test your logic, polygon properties, and pattern recognition skills working on this challenge. Solution included.
Website
University of Regina (Canada)

University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium

For Teachers 3rd - 5th Standards
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
Activity
Math Cats

Math Cats: Visit Tessellation Town on Tile Island!

For Students Pre-K - 1st Standards
Go to Tessellation Town on Tile Island and create a variety of tessellations.
Lesson Plan
PBS

Pbs Mathline Lesson: Geometry, It's a Perfect Fit [Pdf]

For Teachers 3rd - 5th Standards
This two-part geometry lesson plan has students identify, describe, and classify two-dimensional shapes. Students engage in hands-on activities including identifying shapes in the classroom, creating patterns with shapes, identifying...
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Envelopes

For Students 3rd - 6th Standards
Explore tessellations with real world applications in this activity from the NCTM Math Challenges for Families series. Figure out what shape you would use to create a legal envelope from a single sheet of paper. Then discover how...
Activity
Wolfram Research

Wolfram Math World: Semiregular Tessellations

For Students 3rd - 8th Standards
This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.
Activity
Maths Challenge

Maths challenge.net: Pentominoes

For Students 3rd - 8th
A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities. One may want to cut out the pieces to solve the problem as a puzzle.
Activity
Maths Challenge

Maths challenge.net: Hollow Cube

For Students 3rd - 8th
A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities.
Activity
Maths Challenge

Maths challenge.net: Shaded Area

For Students 3rd - 8th
A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities.
Activity
University of Cambridge

University of Cambridge: Nrich: Games the Triangle Game

For Students 4th - 7th
Use this game to improve your knowledge and understanding of triangles and naming vertices. Just read and follow the instructions! [Requires Java.]