LEARNING OBJECTIVE: To Understand the significance of the number pi and how to use it to work out the area and circumference of a circle
S UCCESS CRITERIA: You will know what the number pi is and how to use it to solve circle problems involving area and circumference
STARTER: Can you name all these different parts and sections of a circle
PLENARY: Checking answers to Starter
LESSON:
What is pi?
Discussion on what it is, how big it is, what pi represents, rational / irrational numbers, approximations for pi.
Examples of Area questions and circumference questions
Work through Ex 11a page 246.
PLENARY: Check Answers, Exam Pro Questions
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