Teaching the distributive law is an interesting prospect. Because really, if students know how to multiply numbers with more than one digit they already use the distributive law, even if they don't know it. But if you write this on a board: a•(b + c) = a•b + a&…

While my Year 9 class is starting to move on to Area and Volume, I'm still quizzing them on Expanding and Factorising. At the start of Monday's lesson, I planned to hand out a short set of factorising practice questions to warm up with. At least, that was the intention.…

As my students and I are starting to fall into the rhythm of SBG, I'm seeing benefits I didn't predict. Though they found it a little uncomfortable at first, my students are getting their heads around the idea of seeing the quizzes as chances to show what they know, and…

So, I think a lot of people will be familiar with this puzzle. Start with an arrangement like this: The aim is to swap the positions of the green and blue counters. The counters can move either one or two spaces forward, and each space can contain only one counter.…

Today was a good day. Anyone who takes the time to read a blog like this probably doesn't need me to tell them that teaching can be a frustrating job. It often feels as though you're fighting against pressures on all sides, and every time a student doesn't progress as…

I think it's a tough balancing act to find the point where students can investigate mathematical ideas independently. Not enough guidance, and the class will stare at me, wondering what they're supposed to even be doing. Too much help, and they just start guessing at the answer that will get…

Yesterday I wrotes about the reasons I'm experimenting with Standards Based Grading this term. Today I want to show how I'm planning to implement SBG in my classroom. Because I was away in the last week of last term, we weren't able to finish our unit on Pythagoras' Theorem before…

### author

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.

more about me

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### my website

*The place where I put other stuff, usually math related coding:*

primefactorisation.com

### my other blog

*My journey from Australia to the United States:*

Dropping the S

### my wife's blog

*Sarah is also a math teacher, and she's much better at this blogging thing than I am:*

Math Equals Love