Wednesday, 23 May 2018
equations with arithmetic and quadratic sequences
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these resources are from Jason Steele, Barnsley they are based on Martin Wilson's idea
Tuesday, 1 May 2018
temperature changes
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temperature seems a helpful context for looking at directed number arithmetic two equivalent statements are considered the end subtract ...
Monday, 30 April 2018
transformation golf
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this (rather brilliant) Excel version of transformation golf was produced by Duncan Keith in 2001 his website at the time was maths@subtang...
tangram transformation
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follow the transformation instructions M(PQ) tells you to reflect the shape in the m irror line PQ a vector tells you to translate the s...
4d + 4u
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4u: using 4 lengths of length 1 u nit 4d: and 4 lengths of length (square root 2) 1 d iagonal create a closed shape try to create shapes...
rabbit transformations
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recognising transforms giving all the details powerpoint: rabbit transforming spotting
rabbit rotations
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what angles do the rabbits turn through? powerpoint: rabbit rotation angles not just rabbits powerpoint: rotating things (makes me feel...
windmills, order 4 and order 3
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creating shapes with rotational symmetry intended to be done (initially attempted) without tracing paper powerpoint: windmills ...
Sunday, 29 April 2018
3D geometry: truncated polyhedra
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it can be interesting to explore what happens to the numbers of faces, edges, and vertices of solids when you (symmetrically) cut off the co...
3D geometry: total angle sum
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if you sum all the angles of all the faces this is called the total angle sum (the TAS) it was explored by Descartes (who obtained Euler...
3D geometry: deltahedra
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the deltahedra can be reasonably easy to construct all the faces are equilateral triangles powerpoint: deltahedra
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