Transformations for IGCSE summary – too late for this year. Year 10?? Nice colours though.
Month: May 2014
Triangles for IGCSE.
Graphs to know for I/GCSE maths
Straight line graphs.
This pretty theorem details of the construct of triangles using well known I/GCSE circle theorems (Exterior Angle of Triangle and Cyclic Quadrilateral). I like the petal effect in the middle. Never come across the word species in conjunction with triangles before.
Geometric Progressions, essential for Core AS mathematicians, appear in Victorian textbook, Synopsis of Elementary Results. In the case where the sum to infinity exists, there is a nice proof by similar triangles.
This proof of the irrationality of root 2 uses geometry to gain the contradiction.
Arithmetic Progressions, much loved by students of AS Core Mathematic, is an early result in my favourite Victorian textbook and has a good visual proof too.
Mechanics can have a reputation for being difficult. When is goes well, however, it can be immensely satisfying and many of my students report that their revision work on maths past papers is much more satisfying and enjoyable the than flogging through the facts in other subjects. Mechanics remains pretty much unchanged by any so …
IGCSE and GCSE exams are upon us – time to let loose write outs for the most recent papers to help with final revision and checking. Are these getting harder or am I getting thicker? Files chucked in my exam bucket at http://jped.co.uk/ExamBucket/exambucket.php