by MathPickle | Feb 4, 2026 |
Minimal trips around the Collatz Galaxy (MathPickle, 2025) What’s going on in this loop? We are going to present it to students as a mystery to be discovered. The solution above is a failure. Whenever you are telling a classroom of students that they failed, you...
by MathPickle | Dec 31, 2025 |
Frobenius’ Beast Bait (MathPickle, 2025) To introduce Beast Bait, get students to choose a target creature number between 5 and 25. Let’s say the target number is 9. It is then a classroom competition to find a set of integers that can be added together in...
by MathPickle | Sep 13, 2025 |
Zebra (Dalhousie University Students, 2025) (Inspired by the game Omega by Néstor Romeral Andrés) The 7×7 board in the video is too big for grade four. Start with a smaller board. Here are a whole bunch to choose from: Pencil & Paper version (2 colours of...
by MathPickle | Apr 9, 2024 |
Rotten Apples (Rainer Bedrich, 2022) Gather fallen apples. The gathered apples must form a loop where each adjacent pair has one apple is the multiple of another. The apples which are not gathered go rotten, so try to gather the most possible. Even if a student sets...
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...