Cambridge IGCSE · free sample lesson
Reading the mark scheme before you plan the lesson
How to turn published mark-scheme wording into the success steps your students actually need — before the lesson is planned, not after the mock.
Why the mark scheme comes first
Most planning starts with activities and ends with assessment. The teachers who move students fastest work the other way round: they read what the examiner rewards, then design the route to it. A mark scheme is not a grading tool you reach for in week ten — it is a planning document. When you can name the four things a top-band answer does, your lesson objectives write themselves, and your students stop guessing what 'analyse' means in this subject.
The three-layer read
Read the mark scheme three times, each time for a different thing. First for the command words: what is the student being asked to do, and how many marks does each part carry? Second for the discriminators — the phrases that separate a middle answer from a top one. Third for the traps: the misconceptions an examiner sees so often that they are written into the notes. Write those three layers on one page and keep it beside your planner for the whole unit.
Turning criteria into success steps
Criteria are written for examiners, not for learners. Translate them. 'Shows developed understanding of cause and effect' becomes three steps a fourteen-year-old can act on: name the cause, name the effect, then link them with because or therefore. Put the translated steps on the board at the start of the lesson, not in your mark book at the end. Students who can say what success looks like will aim at it.
A ten-minute routine that makes it stick
Once a week, give students a real top-band answer and a real middle-band answer with the marks hidden. Ask them to rank the two and justify it in the language of the criteria. Then reveal the examiner's reason. Ten minutes, every week, and by the mock term your class is marking each other's work almost as consistently as you do.
The common traps
Three mistakes cost marks in almost every cohort we review. Answering the question that was asked in a previous part. Writing more instead of answering more precisely. And leaving the evaluation until the last line, when the marks were in the middle. Name these traps out loud in class; naming them is most of the correction.
Key takeaways
- Plan from the mark scheme, not towards it.
- Read criteria three times: command words, discriminators, traps.
- Translate criteria into learner-facing success steps before the lesson.
- A weekly ranking routine builds marking literacy faster than re-teaching content.
Knowledge check
Two questions to test the reading
1. A colleague plans a lesson and checks the mark scheme afterwards. What is the main risk?
2. Which of these is a learner-facing translation of a criterion?
Discussion task
Take one criterion from a syllabus you teach and rewrite it as three success steps a student could act on. Then explain how you would teach a class to use those steps to mark a peer's answer.
Enrolled teachers post their response and receive peer and mentor feedback on this task.
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