Curated OER
Geo Jammin' By DeSign - Day 7, Lesson 37: Summarizing for the Summative
Students listen for specific information during summary presentations. They practice giving feedback on given topic according to a set of standards. The speaker reports to the rest of class from a report and listeners determine if...
Mathigon
Mathigon: Geometry: Transformation and Symmetry: Introduction
This lesson is an introduction to transformation and symmetry by showing examples in nature and in buildings.
Math Is Fun
Math Is Fun: Nature, the Golden Ratio, and Fibonacci, Too
Looks at how spirals form in nature when cells reproduce in a flower, for example. An interactive lets students try entering different values to see if they can make a spiral pattern with no gaps. The correct figure would be the Golden...
Math Is Fun
Math Is Fun: Symmetry Jigsaws
Assemble jigsaw puzzles of items in nature, engineering, math, and art that display symmetry. You can customize a puzzle's rows, columns, and piece shape to make the jigsaw challenging or simple.