James Tanton’s Hat Problems
James Tanton has also inspired Simon with his daily puzzles. Below is a set of puzzles all centered around guessing which color your hat is (your life depending on that … Continue reading James Tanton’s Hat Problems
Category: Math Riddles
Simon’s first impressions of this year’s first course with World Science Scholars
Last weekend, Simon started this new school year’s first World Science Scholars course, A Beautiful Universe: Black Holes, String Theory, and the Laws of Nature as Mathematical Puzzles with Breakthrough … Continue reading Simon’s first impressions of this year’s first course with World Science Scholars
Latin Square Puzzle
This is called a Partially-Filled Latin Square. There’s a theorem stating that a partially solved Latin Square can always be completed such that every row has each symbol and every … Continue reading Latin Square Puzzle
Autumn in the skies
Autumn started with the death of our dear aunt Noor in The Netherlands, which came as a shock. It also brought about the second wave of COVID-19. That second wave … Continue reading Autumn in the skies
Some thoughts on the dimensions of polyhedra and polygons: How to make a 3D polygon with no area
A polyhedron is just a bunch of faces connected by edges. All the vertices are closed, so there’re no open bits. So there’s no rule that a polyhedron has to … Continue reading Some thoughts on the dimensions of polyhedra and polygons: How to make a 3D polygon with no area
Math at the beach
We also visited another old favorite, the beach in Noordwijk. By the way, that’s where ESA is located, toon (they’ve got an awesome space museum we used to frequent when … Continue reading Math at the beach
Paperclips
Simon loves the Paperclips game. It involves a lot of Game Theory and economics.
The Grand Quadratic Formula Quiz!
Simon has been pondering a lot about various ways to visualize or prove the quadratic formula. He eventually came up with a 4-meter-long quiz sheet, slowly revealing the logic behind … Continue reading The Grand Quadratic Formula Quiz!
New Friends. New Horizons.
Thanks to the lock-down, Simon’s got new friends. For a little over a month now, he has been part of exciting daily discussions, challenging coding sessions and just playing together … Continue reading New Friends. New Horizons.
Some more math tricks
Sometimes, Simon loves a trick or a puzzle so much he writes it down several times over the course of a couple of days. he also really enjoys teaching this … Continue reading Some more math tricks
Brilliant’s Daily Challenges
Simon is doing an increasing load of Brilliant’s daily challenges. Some more recent challenges:
Geeks out of the box 