Higher educationfromwww.theguardian.com21 hours agoCan you solve it? The numbers all go to 11Eleven exhibits striking properties: two-digit prime palindrome, football-team size, palindromic multiples, a neat divisibility test, and digit-arrangement puzzles.
Board gamesfromwww.theguardian.com9 months agoCan you solve it? That's numberwang!The puzzles encourage creative mathematical thinking and strategic problem-solving.