Monday, 14 January 2019
some fairly high powers
the quadratic function
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
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
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
the powerpoint is here the relationship between the Penrose tiles and a 'golden' triangle, involving phi is explored here ...
two isosceles triangles stuck together
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
exploring the function/relationship: simple numbers (and maybe harder numbers) algebraic treatment graph the powerpoint is here ...
isosceles triangle angles
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
updated version powerpoint is here
Thursday, 6 December 2018
trapezium area and quadratic
based on 'exercises in algebra' part three H.F.Browne 1936
surface area and factorisable quadratrics
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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