New posts in recreational-mathematics

pandigital rational approximations to the golden ratio and the base of the natural logarithm

Rubik's cube interesting questions?

Drawing approximated regular shapes on square grid

Solution to Locomotive Problem (Mosteller, Fifty Challenging Problems in Probability)

How to prove the number of solutions to nine dots puzzle

Show there is an uncut square lying in a larger square cut by lines

How would you prove that there is only a finite number of these primes?

How many slices of pizza do we have?

Proof Involving a Problem from "Good Will Hunting"

Drum exercise BPM do not add up

line of mathematicians guess their own hat color out of c colors

$\square\square\times\square =\square\square\square =\square\times\square\square\,\,\,$ fill blanks with distinct numbers from$\{1,2,3,4,5,6,7,8,9\}$

Solving 9 sons puzzle

Concrete Mathematics - The Josephus Problem

Average Scrabble graph structure: diameter?

$66$ points in $100$ shots.

Can you hear the pins fall from bowling game scores?

Counting the number of polygons in a figure

Numbers whose powers are almost integers

Multiples of $999$ have digit sum $\geq 27$