This post on Knowledge Organisers is very popular – this has now been reorganised so that organisers for KS3, GCSE and A Level can easily be located. Do have a look at this post on Knowledge Organisers from Durrington Research School, it is not about the knowledge organisers themselves but how they are used for planning, teaching and testing. Note the example shared of a Maths Knowledge Organiser, Year 10 Expressions, Foundation. I like the fact that key vocabulary is included here, the few key facts needed and of course by far the largest section – key concepts with examples.
Mrs D has now completed her excellent set of Year 2 Pure Mathematics Organisers, these are clearly indexed in the A Level section where you can also find Pure Year 1, Statistics and Mechanics Knowledge Organisers.