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This is one of my favourite lessons to teach. It simply looks at what circles are and what pi actually is. It comes with some fun activities and an excellent handout. As well as the usual very good teaching slides, learning objectives, starter, plenary etc... 25 slides.
3.1415 ... is the value of Pi, but it is not what Pi is !!! Sometimes the more simple questions are the hardest to answer, and this lesson looks at them. This lesson in terms of understanding is so vital and will help pupils with all the other elements of circles that they need to do within the ks3, ks4 or ks5 curriculum.
I have put this lesson as a part of a 5 lesson bundle on circles. I also offer a separate bundle on circle theorems and area of other shapes.
1. Circles 1 - Properties of Circles, what is pi
2. Circles 2 - Circumference and area of circles
3. Circles 3 - arcs and sectors
4. Circles 4 - segments
5. Circles 5 - compound area involving circles
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