We’ve noticed a lot of great books that have been released recently aimed at primary age children (under about 11). We thought it might be useful, for those who know children of those ages, to put together a list of these titles, and some classics, in case you might be looking for some gift ideas around now.
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Welcome to the 145th Carnival of Mathematics, hosted here at The Aperiodical.
If you’re not familiar with the Carnival of Mathematics, it’s a monthly blog post, hosted on some kind volunteer’s maths blog, rounding up their favourite mathematical blog posts (and submissions they’ve received through our form) from the past month, ish. If you think you’d like to host one on your blog, simply drop an email to email@example.com and we can find an upcoming month you can do. On to the Carnival!
Edmund Harriss is a very good friend of the Aperiodical, and a mathematical artist of quite some renown. His latest project is CURVAHEDRA, a system of bendable boomerang-like pieces which join together to make all sorts of geometrical structures.
Christmas wrapping paper is sold in thousands of different variations, including plain, coloured, patterned, foiled and even flock, but one thing it’ll have in common is that it will repeat whatever pattern it has, regularly across the design.
I’m interested in symmetry, and was intrigued to find a curious fact about the symmetries of such repeating patterns – their symmetries are quite limited.
Snowflake Seashell Star is a new mathematical colouring book, by Alex Bellos and Edmund Harriss, aimed at the lucrative ‘grown-up colouring books’ market that’s sprung up recently, heavily intersected with people who are interested in maths – the book can be used as a regular colouring book, but contains lots of interesting mathematical things, and mathematicians will love it. I wouldn’t have expected anything less from maths adventurer Bellos and mathematical artist and tiling fan Harriss, whose personalities both come through in the book – from the beautiful illustration to the playful style (and there’s a sneaky Harriss Spiral in there too).
The first thing I did in order to properly review the book was check an important mathematical fact, in case anyone was worried. And yes, everything in it is colourable using four colours or fewer. Phew.
I don’t think the university maths department I work in has enough art in it. I have gazed covetously upon the walls of other departments I visit, covered with beautiful mathematically-inspired paintings and inspirational posters, serving as a backdrop to cabinets full of geometrical curiosities. I recently suggested to our Head of School that we could buy some art, and he said “That’s a good idea. Send me some suggestions.”
I was pretty delighted with that response, so I spent an enjoyable hour trawling the internet for art that would inspire and enrich our students and staff. We don’t really have anywhere obvious to put sculptures, so I wanted something you can hang on a wall. I had no idea how much money the Head of School was thinking of spending, so I assumed the worst and tried to stick to cheap posters and prints as a starting point. I wasn’t just looking for art – anything to decorate the walls, even if it ends up teaching the students something, is desirable.
My first port of call was my Arty Maths blog. I’ve been collecting nice bits of art that invoke or involve maths (and not art created purely to represent maths) for almost two years now. Unfortunately, it turns out I’ve almost exclusively been collecting sculptures and video works. That meant I had to do some googling!
Because I found some nice things, and in case anyone else is tasked with decorating a maths department and needs ideas, here’s what I found:
We’ve been quietly making plans and gathering material for a new project over the past couple of weeks, after noticing that there’s an unusual paucity of maths podcasts at the moment. Well, that exciting new project is now happening, and it’s a half-hour podcast featuring maths, guests, puzzles and links from the internet. It’s called All Squared, and it’ll contain cringe-inducing intro/ending contrivances, interesting guest interviews on topical and other subjects, and a panoply of mathematical curiosities.
This is the first number of the podcast (we thought ‘episode’ would set unrealistic expectations of regularity, and we can never resist a pun). It includes an interview with Edmund Harriss about spoken mathematics, as well as a puzzle which we’ll give the answer to in the next number, and a great mathematical flash game to keep you occupied until that appears.