Activity
University of Cambridge

University of Cambridge: Maths and Sports: National Flags

For Students K - 1st
During the Olympic and Paralympic Games many national flags will be on display. This activity explores 2D shapes, angles and symmetries in the context of flag designs, and is designed to be accessible to primary pupils at Key Stage 2.
Interactive
Other

The Math Learning Center: Pattern Shapes

For Students 4th - 8th Standards
Students use pattern shapes to explore geometry and fractions, creating their own designs, or filling in outlines. As they work with the shapes students explore geometric relationships, think about angles, investigate symmetry, and...
Lesson Plan
Success Link

Success Link: Flying Into Spring

For Teachers 4th - 8th
Here are two lesson plans that apply geometric concepts to design objects. The first involves students as a group following step by step instructions on making a kite. After the review of geometry vocabulary, in cooperative groups the...
Website
National Council of Teachers of Mathematics

The Math Forum: Geometry: Introduction for Primary Students

For Teachers 3rd - 5th
These lessons are designed to guide young children through an introduction to geometry. Children learn to recognize shapes and to create patterns, and explore spatial relations and symmetry. Each activity is aligned to mandated standards.
App
National Gallery of Art

National Gallery of Art: Wallovers

For Students Pre-K - 1st
A wallpaper-designing program that turns your freehand drawing into repetitive patterns. A good introduction to repetition as a design principle and to grid systems.
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...
Whiteboard
ClassFlow

Class Flow: Two Bad Ants Realism vs. Fiction Writing

For Teachers 3rd - 8th
[Free Registration/Login Required] This flipchart was designed to accompany Scott Foresman Reading- 3rd grade- Unit 6- Two Bad Ants by Chris Van Allsburg. It covers a variety of reading strategies, including making predictions, context...
Graphic
Curated OER

Wikipedia: National Historic Landmarks in Georgia: Lapham Patterson House

For Students 9th - 10th
Built 1884-85; Victorian architecture; fishscale shingles; intricately designed porch; long-leaf pine inlaid floors; and a double-flue chimney; intentional lack of symmetry; no windows, doors, or closets are square.