by MathPickle | Apr 3, 2024 |
Mondrian discovers Japanese Needlework (MathPickle, 2022) 99% of this website is dedicated to non-repetitive problem-solving. That’s where the bulk of class time needs to be spent. However, elementary school students also benefit from practice with repetitive...
by MathPickle | Apr 2, 2024 |
Categorizing Bad Rulers (MathPickle, 2021) Our factory is a bit lazy. When making a ruler we only make some of the notches. Such a ruler is either BAD or TERRIBLE. Is the ruler with notches at 0-2-5-7 BAD or TERRIBLE? With BAD rulers, choosing any two marks gives a...
by MathPickle | Apr 2, 2024 |
Squirrel Nutkin (Richard Guy et al., The Inquisitive Problem Solver, 2002) The theme is chosen from one of Beatrix Potter’s animals. I grew up with these stories in Belfast so I’m pleased to have found the perfect mathematical home for Squirrel Nutkin. 😉...
by MathPickle | Apr 1, 2024 |
Smileys (Daniel Hodgins & Mason Philips, 2021) The Julia Robinson Mathematics Festival has an app that offers a playful start: https://jrmf.org/puzzle/smileys/ I like this activity as an algebraic exercise. I have not proven the solutions presented in the video...
by MathPickle | Apr 1, 2024 |
Bumpy Wheel (MathPickle 2022) Bumpy Wheel is a two-player game. Setup: Put an even number of dots in a circle. Copy this pattern so both players have it. Rules: 1) On your opponent’s dots: Secretly place consecutive integers starting at zero. They can...