Curated OER
The Four-Color Problem: Concept and Solution
Take a walk through time, 1852 to 1994, following the mathematical history and development of the Four-Color Theorem. Learners take on the role of cartographers to study an imaginary world of countries that need to be...
Curated OER
Four Color Map
Students explore geometry by completing a color puzzle. In this shape identification instructional activity, students utilize deductive reasoning to complete a Google SketchUp puzzle with trapezoid, triangles and rectangular shapes....
Curated OER
Mathematics of Image Processing
In this mathematics of image processing worksheet, learners solve 10 various types of problems related to image processing on a computer. They type in all the commands listed and figure out what is going on. Then, students determine the...