Point of Inflection

Welcome the blog carnival for math teachers at play.  Try not to think of Gilligan as you read it today.

Respect children and be sincere.  This is what they need.  Kimberly Moore points out that there is no call for speed.

John Golden has a few ideas about adapting games.  This will help you teach your kids some units and their names.

How many different ways are there to cut up a square box?  Here’s a seven-year old girl who sees no paradox.

Kate looked at a dollar bill, said “let’s see what we see.”  On looking further with her class found the square root of three.  And Illuminati.

Denise goes on to link to us some videos for free,  Egyptian math explained for you in links one two and three.

Ever want to make a giant geodesic dome, but only have materials you find around your home?  Jen has two adorable and curious young girls who show you how to make one without pawning off the pearls.

Showing every single step of arithmetic work can be a pain and make you think your math teacher’s a jerk.  A student of Tom Kendall’s knows a superior way of writing what you’re gonna do next to the thing you say.

A billion is a number that can capture students’ minds, and Ryan describes his success engaging them with times.

Our students may not always know exactly what they mean;  When we say that x equals y our meaning can’t be seen.  It could be so much clearer with a good taxonomy – I recommend the one you’ll find at SG Without P.

Patrick Vennebush gives us some jokes not so funny.  It turns out you’ll more likely laugh if you’re in company.  That finds it all funny.

There are lots of math puzzles designed for their devotees, but Caroline has five math games for those who feel unease.

Alexander extends a math problem to the reals, and finds that there are more solutions than the world has seals.

John Cook us’lly writes about some esoteric stuff; divisibility by seven should not be enough.

But the last digit….  Times two…

Subtracted from… the front end…

Shows whether, the orig’nal was divisible – here on Gilligan’s ISLE!