How to study from lecture slides
Treat lecture slides as headlines: for each slide, make sure you can explain what it means in your own words, fill in what the lecturer said around it, and test yourself on it. Reading slides alone rarely gives the full explanation.
What most advice leaves out
Slides are written to support a talk, so they are mostly bullet points and diagrams without the reasoning that connects them. Students revising from slides often recognise every page but cannot explain any of them, because the explanation was in the room, not on the slide. Studying slides means rebuilding that missing explanation and checking you can produce it.
Step by step
- 1
Go slide by slide
For each slide, ask what single point it is making. Write that point in one sentence.
- 2
Fill the gaps
Use your lecture notes, the recording or the reading list to add the reasoning the bullets leave out.
- 3
Explain without looking
Cover the slide and explain it. If you cannot, that slide needs more work.
- 4
Quiz yourself per slide
Write one or two questions for each important slide and answer them later.
- 5
Connect the deck
At the end, summarise how the slides fit together into the lecture’s main argument or process.
Common mistakes
- Flicking through slides and calling it revision.
- Memorising bullet points without knowing what they mean.
- Ignoring diagrams, which often carry the most examinable content.
Practise it with Migo AI Students
Study Document lets you upload lecture slides or notes as a PDF, view the original page beside Migo, and then ask it to explain the page, quiz you on it, run a viva on it or make flashcards from it, page by page or topic by topic. Chat Tutor can go deeper on anything that still does not make sense. Both are free.
Questions
Are lecture slides enough to pass an exam?
Sometimes, but often not. Slides list what is examinable; the explanation you need to answer questions usually comes from the lecture itself and the reading.
What if my lecturer’s slides are very brief?
Use them as a checklist of topics, and build the explanations from your notes, the recording and the recommended reading.
Related guides
- How to read a textbook effectivelyRead a textbook effectively by previewing the chapter first, reading one section at a time with a question in mind, and checking after each section that you can explain it without looking. You rarely need to read every word in order.
- How to summarise lecture notesSummarise lecture notes by identifying what the lecture was trying to teach, keeping only the key ideas and how they connect, and ending with questions you can test yourself on. A good summary is much shorter than the notes and is something you can revise from.
- What is the Feynman technique?The Feynman technique is a way of learning by explaining a topic in simple language, as if teaching it to someone new, noticing where your explanation breaks down, and going back to fill those gaps. It is named after the physicist Richard Feynman.
General study advice. Follow your own course’s guidance and your institution’s rules on assessment and AI use.