Website
PBS

Pbs Learning Media: Triangles

For Students 3rd - 5th Standards
In this video segment [2:01] from Cyberchase, the CyberSquad finds that by arranging triangle tiles they are able to create a path that will allow them to cross a river of hot lava.
Unknown Type
University of Waterloo (Canada)

University of Waterloo: Cemc: Geometry and Spatial Sense: Transformations [Pdf]

For Teachers 6th - 8th Standards
Accompanied by links to online activities and demonstrations, middle schoolers learn about the different types of transformations on a coordinate grid through this lesson plan. The lesson is designed to match the Grade 7 Ontario...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Market Place: 2 D Space

For Students 3rd - 5th
At the Food Market there are a lot of shapes. Help Afia find and name the shapes.
Activity
Texas Instruments

Texas Instruments: Investigating Properties of Trapezoids

For Teachers 9th - 10th Standards
Students draw trapezoids and investigate their properties. They derive the area formula for a triangle from the area formula for a trapezoid. They also investigate the terms: Isosceles trapezoid and Tessellation. Numerous supplementary...
Lesson Plan
Science Buddies

Science Buddies: Tiling With Spidrons

For Teachers 9th - 10th
If art and math are both passions of yours, this project is meant for you! Spidrons are geometric forms made from alternating sequences of equilateral and isosceles (30 degrees, 30 degrees, 120 degrees) triangles. Spidrons were...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Review of Transformations

For Students 9th - 10th Standards
Review of material on transformations, which offers definitions and examples, as well as worksheets and resources for extending instruction. Follow links to find guidelines for examining transformations using a Geometer's Sketchpad.
Interactive
CK-12 Foundation

Ck 12: Math Grade 3

For Students 3rd
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Interactive
CK-12 Foundation

Ck 12: Math Grade 4

For Students 4th
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Interactive
CK-12 Foundation

Ck 12: Math Grade 5

For Students 5th
Browse resources related to fifth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Website
PBS

Pbs Learning Media: Squares

For Students 3rd - 5th Standards
The CyberSquad builds a raft out of squares in order to cross a river in this Cyberchase video [2:05] segment.
Website
Primary Resources

Primary Resources: Patterns and Symmetry

For Teachers Pre-K - 1st Standards
Teachers, here's a great resource for worksheets and presentations about symmetry. Includes PowerPoint and smartboard presentations.
Interactive
ABCya

Ab Cya: Tangrams

For Students 4th - 7th Standards
Students attempt to make various shapes by rearranging the geometric shapes to form a tangram.
Professional Doc
Louisiana Department of Education

Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Geometry and Measurement Word Problems

For Students 4th Standards
A guide to support parents as they work with their students in geometry and measurement word problems.
Professional Doc
Louisiana Department of Education

Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Foundations of Multiplication and Division

For Students 2nd Standards
A guide to support parents as they work with their students in the foundations of multiplication and division.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Riksjas, Toek Toek: 2 D Space: Symmetry

For Students 4th Standards
Students will play interactive games and explore symmetry.
Lesson Plan
Other

Computer Art Using Ms Paint

For Students 3rd - 8th
A site by Diana Hunter, an educator in Indiana. This site uses common software in PCs to introduce the use of computers in making art. There are lessons on design, Tessellations, Butterflies, Piet Mondrian, Landscapes with Spraypaint,...
Unit Plan
Texas Education Agency

Texas Gateway: Using Properties of Transformations

For Students 9th - 10th Standards
Given examples of mathematics in the real world, the student will use properties of transformations and their composites to describe and perform transformations of figures in a plane.
Unit Plan
BBC

Bbc Skillswise: Shapes: 2 D Shapes

For Students 9th - 10th Standards
Learn how to recognize 2d shapes.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Dynamic Paper

For Students Pre-K - 1st Standards
Need a pentagonal pyramid that's six inches tall? Or a number line that goes from -18 to 32 by 5's? You can create all those things and more.
Unknown Type
OER Commons

Oer Commons: Gallery Problems Exercise

For Teachers 6th - 8th
Students who have a clear understanding of the previous lessons can work on gallery problems of their choosing. This can be used as a good review or assessment.
Lesson Plan
Other

Ctte: Geometer's Sketch Pad Activities

For Teachers 9th - 10th
This site offers numerous activities for middle school and high school students to explore using Geometer's Sketch Pad.
Activity
Wolfram Research

Wolfram Math World: Space Filling Polyhedron

For Students 9th - 10th Standards
This MathWorld site shows pictures of polyhedra which can fill space. A discussion of these figures follows.
Interactive
Other

3 Quarks: Metamorphose Ii

For Students 9th - 10th
A scrolling application that lets you view the complex changes in M. C. Escher's "Metamorphose II" as one panoramic picture.
Activity
PBS

Pbs Teachers: Architecture: Community Geometry

For Teachers 3rd - 8th Standards
Identify architectural structures and objects in the community that represent different figures and types of geometry and mathematics.

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