Bumpy Wheel (multiplication)

Bumpy Wheel (multiplication)

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...
Emoji Democracy (counting, fractions, shapes)

Emoji Democracy (counting, fractions, shapes)

Emoji Democracy Democracies can be attacked by altering the boundaries of voting regions. This has been done in many countries from Apartheid’s South Africa to Hong Kong under the Chinese Communist Party. Its English word is “gerrymandering.” In this...
Packing Pasta (estimate, measure, volume)

Packing Pasta (estimate, measure, volume)

Packing Pasta (MathPickle, 2019) This problem is good to introduce volume and density calculations to a classroom. Top students and those interested can continue to the greatest packing website in recreational mathematics: Erich’s Packing Center. The pages...