My December “Let’s Play Math” newsletter went out yesterday to everyone who signed up for Tabletop Academy Press math updates. This month’s issue featured infinite series and Vi Hart’s Apollonian Doodle Game.
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And if you missed this month’s edition, no worries — there will be more playful math snacks coming soon. Click the link below to sign up today!
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CREDITS: “Circle Packing” feature graphic by fdecomite via Flickr (CC BY 2.0).