Problem I gave to Year 9 a few weeks back: Imagine taking an A4 sheet of paper, and cutting the corners out so it folds into a box. What is the maximum volume possible? Or how I actually presented the problem: I'm sure that any non-metric types could easily adapt…

Year 9 and I are working through Pythagoras' Theorem at the moment. After a little shuffling of units around, this is a little earlier than last year. An interesting consequence of this is that this is the first unit I've taught that I've blogged about previously. Getting to go back…

Second last week of the year, and my Year Nines have a serious case of the I-don't-cares. End-of-year activities next week and the fact their reports were written last week have given them the idea that they don't really need to work this week. Unfortunately for them, I see this…

So I ended my last post with the words "I'm excited to see where we end up on Monday". And now it's been a month since I actually taught that lesson, and I haven't blogged since then. Oops. Let's see how I go remembering what we did... Quick recap (though…

(Quick confession: this was actually weeks ago. I'm not sure why it took me this long to get around to blogging it.) Why do textbooks bother trying to explain concepts before each exercise? The kids don't read it, I don't refer to it. And the explanations take all the fun…