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Jo Morgan

Tips for Teachers

CHAPTER

What's the Surface Area of a Sphere?

When danny quinn came on my mister bartmats parcass years and years ago, i think it might have been when i asked her what e her favourite failure was. It's when you're teaching surface area of a sphere, and danny decide, i bringing in an, bringi orange, oh, ye. And peeling t because, of course, i mean, what's the surface over iog to forget wethao, a one or four pil square t, four pi square y? So they get the brilliant ideas that this orange is going to fit brilliantly into four circles, all of which never ever do. We shouldn't be spending money on these

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