Free study resources
IELTS writing guidance.
A level Computer Science practice.
A Task 2 planning guide and a 24-mark binary worksheet, with worked examples and answers. Read, practise and print without an account.
Free to read and print · Original FocusED teachingAn original essay question, a worked plan and an annotated response. Use the revision checklist on your own writing.
40-minute workflow · 300-word example · revision checklist
Open the writing guide→AS / A level · Computer Science
Learn signed binary with two worked examples, then answer twelve questions and check your working against the mark scheme.
12 questions · 24 marks · answers and working
Open the binary worksheet→A short study session, with a clear purpose.
- Understand.Read the explanation and follow the reasoning in the example.
- Try it.Work independently before opening the answers or model response.
- Review.Explain your mistake, improve your answer and decide what to practise next.
Continue with your qualification.
Browse the course sequence, study a lesson and practise its questions. Free accounts include two course enrollments.