by MathPickle | Apr 5, 2024 |
Stand by me (MathPickle, 2023) Inductive problem-solving is undervalued. In MathPickle, we give students practice using inductive problem-solving by dropping them in the middle of an alien universe. Unlike our own universe, which has complex laws, these universes are...
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 | Feb 27, 2017 |
Jumping Frogs (MathPickle, 2017) The last puzzle in the video above was solved in 2025 by Joseph Burke, a student in Megan McKee’s grade 4 class. Spoiler alert! Here it is… Jumping Frogs is a fantastic base to create both casual and complex puzzles. We...
by MathPickle | Mar 18, 2016 |
I did not even know of Tree Kangaroos – less so their secret ritual of arboreal hopscotch 😉 “Mammals of Australia”, Vol. II Plate 50 by John Gould (1804-1881) When kangaroos skip count up a branch the numbers increase. Let one of them start on the...
