- Algebraic Expressions and Equations
- Plane Geometry
- Problem Solving (Misc.)
May is National Bike Month, so here are a few problems related to bicycles. Brenden is riding an old-time bicycle that has a back wheel with a diameter of 1 foot and a front wheel with a radius of 1.5...
- Sequences, Series and Patterns
Animation Type: Computer Illustrated, Static Images. Original Handbook Problem: The number of E. coli bacteria in a rich medium is increasing at a rate of 50% every 3 hours. How many hours does it...
- Sequences, Series and Patterns
Finalist in the 2013-2014 Math Video Challenge. This video was created by PolyMa+hema+1c5. The Math Video Challenge is an innovative program involving teams of students using cutting-edge technology...