A conversation about mathematics inspired by a Correntator, a mechanical adding machine. Presented by Katie Steckles and Peter Rowlett, with special guest Christian Lawson-Perfect. Podcast: Play in new window | Download Subscribe: Android | Google Podcasts | RSS

# #tmwyk: mathematical play and conversations with my kid

#tmwyk is a Twitter hashtag which stands for some approximation of “Talking math(s) with your/young kids”. It is used to share mathematical interactions with children. It is also the subject of my MathsJam talk this weekend. For me, I tend to use #tmwyk to share playful interactions with my son, following his interests and the…

# That which we call an identity

I’m grateful to Jemma Sherwood and Rob Low for reading an early draft of this and for their comments thereon. All opinions are, of course, my own. This post is inspired by something that I see crop up now and again in discussions with other Maths teachers. It usually manifests itself as a rallying cry…

# Mathematical Objects: Pseudorhombicuboctahedron

A conversation about mathematics inspired by the pseudorhombicuboctahedron. Presented by Katie Steckles and Peter Rowlett. Podcast: Play in new window | Download Subscribe: Android | Google Podcasts | RSS

# Mathematical Objects: A pair of skipping ropes

A conversation about mathematics inspired by a pair of skipping ropes. Presented by Katie Steckles and Peter Rowlett. Podcast: Play in new window | Download Subscribe: Android | Google Podcasts | RSS

# My adventures in 3D printing: Seven Triples puzzle

At work we’ve got a 3D printer. In this series of posts I’ll share some of the designs I’ve made. There are seven kinds of shape. There are three copies of each shape. The pieces like to group together in threes. Can you arrange the pieces into seven groups of three so that for each…

# My adventures in 3D printing: Prime number sieve

At work we’ve got a 3D printer. In this series of posts I’ll share some of the designs I’ve made. This is something I’ve wanted to make for a long time: a literal sieve of Eratosthenes. This is a collection of trays which stack on top of each other. Each tray has a grid of…