Subscribe I am Moby Snoodles, and this is my newsletter. I love to hear from you at moby@moebiusnoodles.com WOW – Multiplication! An open online course for parents and teachers To sign up or for more info, email moby@moebiusnoodles.com Multiplication and division are…
Subscribe I am Moby Snoodles, and this is my newsletter. I love to hear from you at moby@moebiusnoodles.com Next course: Wow, Multiplication! We are working on designing a series of short high-energy courses for parents, Math Circle leaders, and other innovative…
Is 2*3 different from 3*2? My answer used to be “But of course! Don’t you know the commutative property?” Now, after following Malke Rosenfeld’s exploration of multiplication, I answer it with a lot more non-committal “it depends“. And I notice…