Lesson Plan
Illustrative Mathematics

Seven Circles III

For Teachers 9th - 11th Standards
A basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...
Activity
1
1
Teach Engineering

Searching for Bigfoot and Others Like Him

For Teachers 7th - 9th
Individuals create a GIS data layer in Google Earth that displays information about where one might find seven different cryptids. The class members research to find data on cryptid sightings they can include in their data...
Activity
University of Cambridge

University of Cambridge: Nrich: 6 Beads

For Teachers K - 1st Standards
Use the diagram on this one page website to solve the problem. There are teacher notes and the solution is only a click away.