In a normal year The Math-Off is a best-of-three, knockout, event that takes place on The Aperiodical website for the whole of July. It usually involves 16 people. The aim is to present bits of fun, or stimulating, maths to entertain, puzzle, or provoke, not the kind of geometry or algebra you might have done …

# Category: Mathematics

# The Big Lock-Down Math-Off

Today, Easter Saturday, April 11th, is the first day of The Big Lock-Down Math-Off. In the first match we are up against Andrew Stacey. It is basically Knitting v Superheroes. The voting for the first match ends at 9 am BST on Monday the 13th Don’t let maths put you off. Some days there may …

# Love is in the air

This is the ideal time to make a small knitted box with a hidden gift. Cube Thing is made from three simple strips of knitting. They are not joined but they stay together to form a cube. You can put your gift inside and it can be taken out again without doing any damage to …

# Modular Knitting 3

How to use modular garter stitch shapes with 45, 90 ad 135 degree angles. Previous posts about making the shapes1. Knitting at MathsJam2. More Modular Knitting Now you know how to make the shapes, what can you do with them? You could make a small cushion or go on, as many people have, to make …

# More Modular Knitting

In an earlier post I described what happens at a typical Woolly Thoughts workshop about modular knitting and why these foolproof methods work. Begin with a garter stitch square, knit diagonally: Make a slip knot Increase by knitting into the front and back of the loop Increase at the end of every row until you …

# Knitting at MathsJam

Last week I gave a talk at MathsJam Annual Gathering. This is an amazing annual event where ‘mathematicians’ from around the world get together. It isn’t the boring number stuff you might imagine. When 200 eccentrics (of the nicest possible kind) get together it leads to mind-bending fun, puzzles, games, performances, cake baking, singing and …

# Borromean Baubles

These simple mathematical baubles can be made in lots of different ways and either hung as a decoration, or used to hold a small gift. The Borromeo family originated in Rome – that’s where the Rome bit of their name came from. In the twelfth century they set up a bank in Milan and became …

# Barbie Spirals

Barbie has lots of new knit and crochet spiral dresses. In maths there are very specific definitions for some kinds of spirals. You can find lots of information about mathematical spirals on the internet. Some of them refer to â€˜circling round a centre pointâ€™ but you will also find square, hexagonal and other shaped spirals. …

# Hyperbolic Barbie

Hyperbolic crochet has become very popular in recent years. It has been used world-wide in various coral reef projects. The world expert in the mathematics of this art is Daina Taimina. Our latest mathematical pattern for Barbie and friends is Hyperbolic Barbie. Hyperbolic geometry is quite complicated but you don’t need to understand it to …

# Carnival of Mathematics 175 – Sum Square Over The Rainbow

You might be wondering what a couple of knitters are doing hosting the Carnival of Mathematics. If you are not familiar with the methods we use to teach maths you might want to check out our main Woolly Thoughts site. It has got rather rambling over the last 20+ years. The Afghans page is a …