Chefrens Pyramid 4.09 can be downloaded from our website for free. This software is an intellectual property of Alega Skolmatriel AB. The software belongs to Education Tools.
From the developer:
Chefrens Pyramid is designed for children ages 10 – 14. The game begins by entering the pyramid at the bottom and working up the pyramid, room by room (there are more than sixty rooms). The mathematics includes mental calculations in arithmetic, approximations, diagrams, math games and puzzles, Cartesian coordinates, percents, number patterns, and basic geometry and algebra.
You may want to check out more software, such as Between the Worlds II: The Pyramid, Pyramid or Pyramid Runner, which might be related to Chefrens Pyramid.