How to study from lecture slides: rebuilding the half that was spoken

The routine below runs before, during and after the lecture.

Why raw slides train the wrong skill

Multimedia learning research, associated most strongly with Richard Mayer's principles, treats slides as visual support for spoken explanation, not as standalone text; studying them raw therefore rehearses recognition of prompts whose answers lived in the room. The bullet that reads "enzyme specificity: lock and key" is a cue, and the exam question behind it, "explain why one enzyme fits one substrate", never appears on the slide. Studying slides means reconstructing the spoken half, and that is work you can schedule rather than improvise.

Export to PDF, then interrogate the deck

Every slide tool exports to PDF, and the export is the study copy: upload it and the quiz pipeline turns each slide's fragments into gradeable questions with explanations, while the card path lifts definitions into a deck. The generated question is the test of whether you can supply the missing spoken half; a wrong answer marks precisely the slide whose lecture you need to revisit, and the interrogation route carries the usual measured advantage, with practiced recall holding just under 80 percent a week later while restudy sat near 36 percent in Karpicke and Roediger's 2008 Science experiment. WeSolve+ reads PDFs, images and photographed pages, so a deck of slides photographed from a friend's printout works the same way.

The one sentence per slide habit

During or right after the lecture, write one sentence under each slide's title answering "what was the point of this slide?". It feels trivial and is the densest note you can take, because it captures the spoken argument while it exists. Those sentences later become the backs of cards whose fronts are the slide headings, a deck that tests the lecture rather than the typography. Slides with diagrams get the anatomy treatment: photograph, label, and let relation questions carry the arrows.

The before and after routine, timed to the curve

Before the lecture, skim the posted deck for ten minutes and note the two slides you do not understand; the lecture then answers a question you actually hold. After it, the same day, run the generated quiz while the spoken half is still recoverable, because forgetting is steepest in the first hours after learning, the curve replicated by Murre and Dros in 2015. Every percentage in this guide belongs to the linked study; WeSolve+ has published no usage statistics of its own.

Slide decks across a term, and the exam week payoff

A term of lectures is a shelf of PDFs, and the shelf is the syllabus in disguise. Fold each week's deck into the same course space, let the scheduler return old lectures' cards while new ones arrive, and exam week becomes a tour of already warm material instead of an archaeology dig. The companion pieces are the PDF to quiz walkthrough for the mechanics and the recall comparison for why interrogating slides beats rereading them.

By Mert Erarslan (Exam prep and subject routes)

Last updated: 2026-08-15 · Written with AI assistance and reviewed before publishing.