A tweet from @mathequalslove during the week caught my eye; in it she shared this poster:
They really embraced the concept whilst tackling some tricky NRich problems “OK, Miss I definitely need a hint I’m in the panic zone.” and my favourite at the end of the lesson “That’s cool, Miss, I’m back in my comfort zone now. That means I’ve learnt, right?”. I definitely didn’t expect them to embrace it that well, that quickly. It remains to be seen if it’s a novelty factor or something they will continue to refer to and use as a guide to gauge the learning process.
A quick Google search shows that this isn’t a new idea by any means; the model was devised by Senninger in 2000. However all the graphics online are a little bit uninspiring so I’ve thrown this together to hopefully be a bit more eyecatching:
You can download a PDF copy here. I will continue to use and update to let you know how it goes