Matchbox cars, specifically that brand, have a scale written underneath.
I've always wanted to do something with that.
I am presenting twice in September about how I use technology to engage, enhance and extend in my teaching.
If we can determine the altitude of a plane in front of the moon, why not try the altitude of the Space Shuttle Atlantis in front of the Sun?
I put up my first image on Dan Meyer’s 101 Questions yesterday, Kitchen Scale. Wander over there.
What’s the first question that comes to your mind?
Back in 2010, putting a piece of wall in our kitchen to attach a child gate to, a problem arose about evenly spacing screws.
Whilst often used as a textbook example, I had never seen negative numbers used in a lift before.
When introducing the topic of ‘ratio’, I use the mixing of cordial as an illustration that most kids get.
The idea of using 1 part of cordial to 4 parts of water makes sense to them – and they get the idea of equivalence when you mix the cordial in a different sized container (I use the examples of using cups to fill a bottle for a picnic, and using buckets to mix a big batch for a party).
I showed WCYDWT: Spacing Evenly to some of my classes this week. A couple of reflections…
A real-life version of this problem presented itself today.
(Source: Elementary Math Mastery, Rhonda Farkota)
I really appreciate having my own classroom for many reasons, but one is the ability to place student work (the fun stuff) around the classroom.
Some chocolate discussion starters for looking at bar graphs: a series of chocolate bar graphs.
I’m about to get into Surface Area with Year 8. Of course, there will be chocolate. But, since I last looked at Surface Area with Year 9 I’ve been thinking about Heat Sinks.
This week, Year 9 were looking at finding the perimeter of shapes that include curves (parts of a circle).
What else could you do with capacity? As I was getting a glass of juice to have with my breakfast, I was thinking that I could use this image as a quick question at the start of a lesson.
With laptops rolling out shortly and projectors appearing in some classrooms, we should be thinking about collecting digital media for use as stimulus or investigation material. So, the other day when filling up my young daughter’s bottles, I took some pictures.
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.
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Simon Job — eleventh year of teaching maths in a public high school in Western Sydney, Australia.
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