How to study from lecture slides (without retyping them)

Lecture slides are the most common study material in higher education and the worst designed for studying. They were written to be talked over. Read on their own, they are a list of headings with the explanation missing. Here is a method that works with that instead of against it.

During the lecture: listen, do not transcribe

The research on note-taking is consistent on one point: students who try to write everything down remember less than students who listen and write little. The slides already contain the structure, so you do not need to copy it. What you need is the part that is not on the slides: the explanation, the example, the aside about what will be on the exam.

So during the lecture, keep the deck open and write only three kinds of thing in the margin: the lecturer's explanation of a bullet that is not self-explanatory, any example they give, and anything they flag as important. Five lines per lecture is normal.

The same day: make the summary

Within a few hours, while the lecture is still in your head, turn the deck into a summary. Upload it to Nuutli, choose Summary, and read the result against your margin notes. Add your five lines to the Word file under the right topics. This takes fifteen minutes and produces the document you will revise from for the rest of the term. Doing it the same day matters because the margin notes only make sense while the explanation is fresh.

If the lecturer shares the .pptx rather than a PDF, use it: speaker notes often contain the explanations they said aloud, and the summary folds them in.

Each week: read, do not reread

Rereading is the study method that feels most productive and does the least. Read each week's summary once, then close it and write down the three main points from memory. If you cannot, read it again. If you can, you are done with that lecture until exam preparation starts.

Three weeks out: Cornell notes

Now the material needs to become questions. Run the same decks again as Cornell notes. Each topic gets two or three cue questions, the notes beside them, and a short summary. The routine: cover the notes column, answer the cue questions out loud, uncover and check. Mark the questions you missed. Over the next two weeks, go back only to the marked ones.

This is active recall, and it is the single method with the strongest evidence behind it. The cue questions are the expensive part to write by hand, which is why most students never do it; a tool that writes them from the deck removes the excuse.

The final week: flashcards and a quiz

Two things remain: the facts you need to produce exactly, and the confusions you do not know you have. Flashcards handle the first. A multiple-choice quiz handles the second, because distractors are built from the material and a wrong answer shows exactly which two ideas you have merged. Run each deck as Flashcards, then as Quiz, and spend the week on the cards you miss and the questions you get wrong.

What this looks like in time

When	Do	Time per lecture
In the lecture	Margin notes only	0 extra
Same day	Summary + add margin notes	15 min
Each week	Read once, recall three points	5 min
3 weeks out	Cornell notes, cover and answer	20 min
Final week	Flashcards, then quiz	20 min

An hour per lecture across the term, most of it spent recalling rather than reading, and none of it retyping slides.