Nets Nets are the flat (2D) shapes that are then folded up to make a 3D shape. The next time you’ve finished with a cardboard box, unfold it and see how the 3D shape is made. Cubes and cuboids are fairly straightforward – look out for more complicated (interesting!) shapes. (Hint: this is a great […]
I’m feeling rather chuffed with myself! I’ve created a little game/teaching resource called “Add it up!” that I’d like to share with you. Its pretty simple – a series of numbers flash up on the screen (a second for each number) and all you have to do is add them up in your head. Once […]
I’ve got a new favourite number – 243. Why is it my favourite? It’s not because it’s 3 to the power of 5, although that does make it special. To find out why 243 is my new favourite number, divide 1 by 243: 1 ÷ 243 OK, to save you doing the maths, the answer […]
Happy Easter – and happy Palindromic Date Day! It’s another day when the date is the same backwards as it is forwards – the last one we had was two months ago, can you work out when the next one will be? Interested in palindromic numbers? Then you might be interested in this investigation into […]
Here’s an interesting little fact. If you had a pizza, with a radius of ‘z’ and a thickness of ‘a’ its volume would be: Pizza or, Pi times z, times z, times a (remember – we “lazy mathematicians” often leave out times signs when using algebra: F = ma actually is F = m x […]