The gradient of ax + by = c is -a/b. This is what Year 10 wish I had told them lessons ago. They've been looking at parallel and perpendicular lines lately, which involves finding lots and lots of gradients. They like it when the equation of a…

There was sport on today, so a large portion of my Year 7s were away. As a result, I had an exchange with some of the remaining students at lunch time that went a little like this: Student 1: We've only got 6 students in our class today! [Stretching the…

Semester 2 has started, which means the Computer Science elective I was teaching has ended. The good news is, I've taken over Year 10 Maths, which means my teaching load is more maths than it's ever been before. I haven't taught Year 10 for a couple of years now, and…