Next up in the back-to-school posterpalooza, it's the order of operations. I've heard different people have different opinions between GEMA and GEMDAS. I like the idea of arranging the letters like this as a compromise between the two. It emphasizes that multiplication/division and addition/subtraction occur in pairs, at…
Shaun used to be maths, IT and ocassional physics teacher at a small P-12 school (primary and secondary) in rural Victoria, Australia. He is currently in the process of starting his career again in the United States.
my other blog
My journey from Australia to the United States:
my wife's blog
Sarah is also a math teacher, and she's much better at this blogging thing than I am: