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...
by MathPickle | Oct 5, 2021 |
Coins in a Row (Peter Winkler 2003) This is not an original MathPickle puzzle. It’s from Mathematical Puzzles: A Connoisseur’s Collection (163 pages, 2003) by Peter Winkler. Spoiler Alert! The solution is in the video below. Teaching is an...
by MathPickle | Aug 12, 2021 |
Three Color Triangle Puzzles (MathPickle 2021) This logic puzzle is inspired by the brilliant Mathologer video below. The tricks presented above are proved below. Playing with these puzzles is good for upper elementary, but younger kids can get a lot of value from...
by MathPickle | Mar 19, 2019 |
If you have not seen the original jumping frogs puzzle you might want to watch the video below – paying special attention to the lazy toads. This exploration starts out with an exploration of lily pads linked together – but not necessarily in a line. The...
by MathPickle | May 24, 2018 |
Blotch (MathPickle, 2018) Students can tackle this puzzle when working on either counting or adding. If students are practicing counting and don’t have addition skills they will find it more of a challenge to cover the canvas with blotches. Start with a 5×5...
