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Showing posts with the label addition

Polyplane and Magic Polygons

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I'm in New Jersey this week, so thought I'd break format and give an update on a couple of topics that connect to the trip!

Stepping Stones

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Today we'll look at some puzzles based on Neil Sloane's presentation of the stepping stones puzzle, given in this Numberphile video .

Magical Corner Sums

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As our community math circle prepares to run Magic Flowers, I've been looking at extensions and related problems. Here we'll look at a series of puzzles that also require certain sums to be the same.

An Alternative Ladybugs Activity

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When JRMF throws a festival, some activities will invariably be more popular than others. When we introduce enough new activities, some old ones stop stacking up against the rest. While a new activity eclipsing an old one isn't a terrible problem to have, Ladybugs is currently not a fan favorite, and it is one of our more outwardly arithmetical activities. Since having a few arithmetic-forward activities in the bunch make it easier to sell our offerings as mathematical to the skeptical, we'll take a look at it as it stands and consider a reimagining.