Graphs to know for I/GCSE maths
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
Useful facts for I/GCSE pupils (exams v soon!) on SIMULTANEOUS EQUATIONS detailed in Carr’s Victorian text book and alive and well, completely unchanged today. FP1 students look at the determinant in 59.
Euclid Book II proposition 9 and 10 proved by area decomposition marries algebra and geometry with a recipe for making Tartans.