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This is the third in a 7 lesson series on learning different area rules (extension being circles - teach as a separate series). This is a whole lesson on the area of triangles. UPDATED with worksheet and answers.
I have found over the years, that teaching these lessons over more lessons than less pays dividends!! That it is often a subject skirted over quickly and then has to be re-taught year after year. It is often a subject that even at KS4, pupils struggle over. To address this each of the lessons is very thorough on the different rules, with activities, handmade worksheets that are differentiated with trickier examples with answers, exam questions, problem-solving starters and plenaries.
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