Imagining infinity
Simon: Mom, there’s no number that’s close to infinity. I: There isn’t, is there? But even when I realise it’s true, I have trouble imagining this. Simon: This is the … Continue reading Imagining infinity
Category: Murderous Maths
A big number
Simon reading from his favourite book by Murderous Maths – The Most Epic Book of Maths Ever, the chapter about the famous problem on filling a chessboard as a geometric … Continue reading A big number
Pythagorean triples as a grid
We are watching a Netflix series as Simon comes up to me and says: Mom, give me an odd number! I go, “All right, ahh, 13!” – He starts scribbling … Continue reading Pythagorean triples as a grid
Three chess puzzles
Set the six figures (pawn, queen, rook, bishop, king, knight) on a chessboard in such a way that every marked cell is threatened that number of times. For example, if … Continue reading Three chess puzzles
A quiz full of fun tricks
Simon got these from the Scam School channel. I first only got a strip paper with a sequence of green sticks written on it, separated by comas. Simon did tell … Continue reading A quiz full of fun tricks
Recursive Math Tricks
The above formula allows you to take any number (n) and get it back as a result of many calculations. Simon remembered we had read about it (something like a … Continue reading Recursive Math Tricks
More puzzles
Move three matches and turn the grid below into three identical squares. Another puzzle with the same grid: place six coins in the grid without creating a three in a … Continue reading More puzzles
A new tour of Simon’s sketch book
The fertility formula, to predict the population the following year: A fake number (called “Wau”) to imagine infinity (via Numberphile): Drawing a square root of 5 (via James Grime): Pebbling … Continue reading A new tour of Simon’s sketch book
How to “nsect” a line?
Simon’s little textbook on how to bisect and “n-sect” a line, that he wrote himself:
River Crossings Puzzle
This is a Japanese version of the famous River Crossings Puzzle that Simon learned from the Scam School channel (yes, our little programming and math nerd actually watches Scam School, … Continue reading River Crossings Puzzle
Pebbling a Chessboard
Learned from Numberphile.
Geeks out of the box 