Monday, 14 January 2019
some fairly high powers
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the quadratic function
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this is intended to be an introduction to quadratic rules, mainly from a numerical perspective exploring the function and its properties ...
Tuesday, 18 December 2018
hollow rectangles
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an exploration of surrounding paths the powerpoint is here this work could follow on from hollow square for hollow squares see al...
Saturday, 15 December 2018
four numbers
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the powerpoint is here thanks to Mike Askew for this question it explores oddness and evenness and divisibility by 4, including - possi...
isosceles triangles and Penrose tilings
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the powerpoint is here the relationship between the Penrose tiles and a 'golden' triangle, involving phi is explored here ...
two isosceles triangles stuck together
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the powerpoint is here exploring how two isosceles triangles can be put together to create a triangle or, how some triangles can be disse...
generalising isosceles triangles
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exploring the function/relationship: simple numbers (and maybe harder numbers) algebraic treatment graph the powerpoint is here ...
isosceles triangle angles
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the powerpoint is here it contains a range of questions that are intended for students to answer orally see WR Somsky's...
isosceles triangle proofs
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updated version powerpoint is here
Thursday, 6 December 2018
trapezium area and quadratic
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based on 'exercises in algebra' part three H.F.Browne 1936
surface area and factorisable quadratrics
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set up a quadratic equation and solve it trial and improvement may well be speedier... (students shouldn't do that because they mig...
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