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
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.
Study Guide
Oswego City School District

Regents Exam Prep Center: Transformations: Rotation

For Students 3rd - 6th
Increase students' skills and knowledge of rotation and transformation at this test prep site. Includes lessons pages, practice questions with interactive answers, and a teacher resource page.
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
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
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.
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.
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.
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....
Activity
Oswego City School District

Regents Exam Prep Center: Arcs in Circles

For Students 9th - 10th
Provided are definitions of arcs in circles, an example and theorems to assist with test preparation.
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: All in the Mind

For Students 3rd - 8th
You will have to use visualization to help you solve this challenge. At this one page website, you will be able to check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Green Cube, Yellow Cube

For Students 3rd - 8th
Think about the surface area of a cube. At this one page website, you use that information to complete the challenge. Solutions are offered right at the website.
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.
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...
Unknown Type
University of Cambridge

University of Cambridge: Nrich: Building Stars

For Students 3rd - 8th
This interactive activity gives you an opportunity to color in a tessellation that is different from the usual. Read the short introduction to find out more about this tessellation that doesn't repeat.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: A Puzzling Cube

For Students 3rd - 8th
See if you can figure out which symbols are on which cube face at this one page website. The solution is just a click away once you have your solution in mind.
Activity
University of Cambridge

University of Cambridge: Nrich: Little Squares

For Students 3rd - 8th
What are square numbers? Use tiles at this one page website to discover the pattern of square numbers. See if you can solve the challenge. Once you have your solution you can check the solution given right at the website.
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
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.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Fire Hydrant

For Students 3rd - 8th Standards
Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.