by MathPickle | Jul 30, 2021 |
Rainbow Sudoku (MathPickle 2021 – Inspired by Amar Sodhi) In regular sudoku and pentomino sudoku numbers are given as clues. Each region needs exactly one copy of each number. That’s true whether the regions are 3×3 squares or pentominoes. In Rainbow...
by MathPickle | Jan 30, 2018 |
The brilliant artwork in this puzzle was done for me by Mr. Cuddington. Here is the challenge. You want to print up a card game with one card of value 1, two cards of value 2, three cards of value 3… twelve cards of value 12… Here is a page with 8 cards....
by MathPickle | May 1, 2017 |
McGuire the Gathering is one of my favourite puzzle games. It is among the first that I designed in 2005 – five years before MathPickle came into being. It is based on the card game: Magic the Gathering. Download a pdf of this slide show here. Foul winds are...
by MathPickle | Apr 14, 2017 |
Hare has challenged the tortoise to a revenge race. Tortoise accepts, but tells hare that any revenge race must be across the rickety bridge. That should help turtle, because it stops the hare from getting into her jumping rhythm. You can see it is pretty...
by MathPickle | Jan 16, 2017 |
Is this Venn-like diagram a good fit for Reptile, Crocodile, Female? Does this make sense? No – it suggests that some Crocodiles are not Reptiles. WRONG. It also suggests that all Crocodiles are Females. WRONG. Fix it… This works. Some Crocodiles and...