How can all the constructions of Euclidean be done by paper folding? What assumptions are made when paper is folded to construct geometric figures from Euclidean geometry?
What is orgami?
What is a hexaflexagon? How many flexes are … See the whole entry
Videos:
How to Solve Rubik’s Cube – Part I (time: 6:32)
How to Solve Rubik’s Cube – Part II (time: 5:49)
Instant Insanity Commercial (time: 0.32)
… See the whole entry
Play with a Rubik’s Cube online (I got hooked on these sites):
https://rubikscu.be/
Here you can design your own cube: (Be patient, this one takes a minute to load.)
OK, so you think your good with Rubik’s Cube….. here is … See the whole entry
Problems 1-2
Use the fact that one minute equals 60 seconds and one hour equals 60 minutes to carry out these calculations.
Problems 3-29
You will enjoy having your own Rubik’s cube when working these problems. See Example 2.
Problems … See the whole entry
This is an enrichment section, and as such does not contain any essential ideas.… See the whole entry