Here you will find notes and worksheets for years 7 to 11, arranged by the broad subject areas in the (English) National Curriculum, and by topic. There are also worked practice questions for GCSE.
The topics with a pale blue background are those listed in the National Curriculum for Key Stage 4 (ages 14-16); the others are listed in the National Curriculum for Key Stage 3 (ages 11-14).
There are also a handful of topics which are only on IGCSE specifications - these are listed at the end.
The notes may be useful to a student without access to a teacher or a textbook. Or possibly to a teacher looking for a quick source of some examples on a particular topic.
The worksheets (WS) may be of use to teachers looking for a quick source of some extra questions, or to students looking for extra practice. Answers to worksheets (where available) are included at the bottom of each topic. So far there are answers to all the KS3 topics, and more answers will be added over time. (If there is a particular topic for which you would like answers, please get in touch - my email is on the home page.)
The past paper questions (PPQs) may be be useful to students, since they have worked solutions.