MathsClass

It’s been a little quiet around here – mainly due to the busy time of term and sickness.

Anyway, I recently got a packet of protractors for my class. Every one of them has a problem, maybe you can spot it.

I used to think that I knew what 1 billion was, i.e. 1 000 000 000 000. Then a couple of years ago, I looked on Wikipedia and found there were two defintions: Long and short scales.

Dilbert answers:

As part of a unit on Trigonometry, we review compass and true bearings before working with bearings in Trigonometry problems.
To start this review lesson, we looked at some images from Google Earth.

A really easy way to create engagement when introducing a new topic is to explain some of it’s applications outside of the maths classroom. For Trigonometry, I use an explanation of how I used trigonometry in a previous career to find the height of trees.