by MathPickle | Feb 25, 2026 |
Stirring Paint (MathPickle, 2020) Above is a solution to a stirring paint puzzle. Can you guess the rules? #1 When the puzzle is solved, each colour forms exactly one loop. Example: if you start with the blue in the upper left, you move one space to a blue arrow...
by MathPickle | Feb 23, 2026 |
Crumbling Castles (MathPickle, 2025) Ready for some inductive problem solving? You can first try to figure out what’s going on yourself… Here is the puzzlesheet. Spend 5 minutes looking for aptterns and then read on so you’ll see how to present it to...
by MathPickle | Oct 31, 2025 |
Arrows Everywhere! (MathPickle, 2025) Here are the grids you’ll need to play this puzzle on paper, but if you happen to have a square tiled flooring in your school – watch the video below and use the big arrows that you’ll also find in that pdf....
by MathPickle | Oct 27, 2025 |
Ariadne’s String Game (MathPickle, 2025) Thank you to Jia Ming for creating this wonderful online version! If you are playing on paper, elementary students are going to learn how to use a ruler and junior high students are about to make Pythagoras their best...
by MathPickle | Mar 24, 2023 |
Glue (MathPickle 2021) This geometric square-gluing puzzle is one of my best from 2021. The rules are simple (but probably best seen on the video rather than read): 1) Start with two 1×1 squares labelled “1.” 2) Glue a new square labelled with one...
