Each day I select one of my favourite free maths resources that have been uploaded and shared by the generous and incredibly talented users of the TES Maths website and tweet it out via @TESmaths. I call this feature Resource of the Day (ROTD).

Here are my May selections. Just click on the resource description to download it.

And of course, all the resources selected are completely free. You just need to register on the TES website to download them.  And as ever, a huge thank you to all the teachers who share resources. You make TES what it is  

1st May: An excellent lesson on Venn Diagrams, ideal for GCSE revision
2nd May: These average and range spiders are amazing
3rd May: A stunningly good circle theorems codebreaker
4th May: If you’ve not seen Going for Gold GCSE Problem Solving, you’re in for a treat 
5th May: A wonderful collection of addition & subtraction, standard and worded problems
6th May: A superb lesson on sketching cubics and quadratics – perfect GCSE revision
7th May: This tool for visualising nth term sequences is absolutely ideal 
8th May: An amazing lesson on surds, right up to Grade 9 and beyond!
9th May: One for A Level teachers Laws of Logs Codebreakers!
10th May: Students are given various 3D shapes and must come up with questions to answer
11th May: There’s not much good GCSE stuff around for tangents to graphs – until now!
12th May: It’s Spider Time! Here we look at linear graphs. I love these!
13th May: Turn the annoying craze of bottle flipping into an experimental probability activity
14th May: A couple of challenging angle problems to get your students thinking
15th May: A differentiated set of worksheets on factors, multiples and primes 
16th May: A fantastic lesson on the equation of a circle for the new GCSE
17th May: A well designed worksheet on simplifying expressions, with answers 
18th May: A lovely set of questions on similarity in 2D shapes
19th May: Let’s play “Independence, Dependence, Mutually Exclusive or Not?” 🙂
20th May: A superb introduction lesson to Venn Diagrams and sorting
21st May: Mathonopoly is a simply superb GCSE Maths revision activity
22nd May: A lovely selection of worksheets and activities on long multiplication
23rd May: A great set of questions on circumference and area
24th May: These Explosions are ideal for practising the basics of solving linear inequalities
25th May: “Teach for Understanding” is excellent for departmental meetings
26th May: An outstanding Proportion Spider for top-quality, engaging practice
27th May: A complete lesson on error intervals and truncation
28th May: A superb lesson introducing the balancing method for solving equations
29th May: A lovely set of questions on ratio & proportion within the context of a theme park
30th May: A superb lesson on drawing and comparing bar charts
31st May: Practice solving quadratic equations with this lovely codebreaker