If Friday the 13th is a bad luck day, does that imply that Monday the 13th is a good luck day? Compose a logical argument for this question. Whoever sends in the best logical argument, arguing either side of this question, wins a Singing Turtle reward. Read the post to find out the details.
Archive | Learning from Puzzles
The people who gave us the Rubik’s Cube recently came out with another fun puzzle, the Rubik’s Slide. This post tells all about this fun puzzle, which actually helps students learn some geometric concepts.