Having found this tip on
elearnr.org Doug Belshaw’s blog about using PowerPoint:
Find graphics that represent things you do frequently in lessons (perhaps from clipart) and always use these when doing a similar activity. For example, a pen writing for when it’s time to start work or two people talking for discussion/group work. These help reinforce good habits and aid classroom management.
I went looking for some nice graphics to use.
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Simon Job — eleventh year of teaching maths in a public high school in Western Sydney, Australia.
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