- Measurement
Help the Diameter Detective Agency (DDA) catch Circumference Sally before she robs her next bank. Use your knowledge of circles, triangles, and area to help out our detectives as they solve problem...
- Problem Solving (Misc.)
Animation Type: Static Images
- Coordinate Geometry
Original Handbook Problem: Given the points A(–2, 1) and B(3,4), what are the coordinates of point C in the fourth quadrant such that m<CAB = 90 degrees and AB = AC? Express your answer as an ordered...
- Coordinate Geometry
Winner of the 2012-2013 Math Video Challenge. This video was created by the Soda Fountain Team. The Math Video Challenge is an innovative program involving teams of students using cutting-edge...
- Coordinate Geometry
- Measurement
- Proportional Reasoning
The Transformation Game uses the Desmos online geometry tool to provide a fun and interactive way to explore translations, dilations, rotations and reflections in the coordinate plane. Mathletes can...