Author Archives: Richard

Perimeter

Download the PowerPoint here | Download the worksheet here (not technically needed, just the PPT questions in a printer friendly format) | Download the plotting and measuring worksheet. One of the best MathsConf sessions I’ve been to, and one that I come back to again and again is Jo Morgan’s Indices in Depth (Watch a… Read More: Perimeter »

Completing the square

Download the resource here Sometimes you look back at your old work and feel it was written by another person. I went to teach completing the square this week and I couldn’t understand my own resource. It was all over the place. I’d clearly thought about activity first and the learning journey second. It was… Read More: Completing the square »

Things I Think I Think … 1

I know I haven’t blogged for ages. Sometimes it’s a bit daunting doing a proper post with loads of resources etc. So I’m just going to jot some thoughts down. 1. Craftsmanship Videos I’m a bit obsessed with videos like this at the moment. There’s so much wonderful about them, but I’ve come to have… Read More: Things I Think I Think … 1 »

Trigonometry

Download the PowerPoint here. This is basically a lot of ideas knicked from Resourceaholic. Sorry @mathsjem! Quite happy with this, though. I have used this with my year 9 class this year and I think I’ve taught trig better than I ever have before. Starts with sine. Talking about similar triangles. Not using the calculator… Read More: Trigonometry »

Estimation

Download the PowerPoint here. I created this after a discussion on Twitter. Estimating is more complicated then I give it credit for. We have to decide the level of rounding that’s appropriate, based on the calculation being done. It’s not just as simple as rounding to 1 s.f. I did some questions that are quite… Read More: Estimation »