Stay alert
Writing selective notes gives your brain a job: listen, decide, and record.
A practical student guide
How to Take
Class Notes.
Listen for meaning, capture the important ideas, and leave class with notes you can actually study from.
Start hereNotes are for thinking,
Notes are for thinking,
not copying.
Good notes help you stay mentally present, recognize the main ideas, and create a useful path back through the lesson when it is time to study.
Find the main ideas
You have to separate the lesson's central points from examples and side comments.
Build a study guide
Organized notes give you questions, summaries, and examples to review later.
Listen firstWhat is the topic?→What is emphasized?→What example explains it?→What should I write?
Pen and paperThree ways to
Three ways to
organize the page.
There is no single perfect format. Choose the method that matches the way the lesson is being taught.
Method 1
The Cornell Method
Divide the page into a large notes area, a smaller cue column, and a summary box. Capture the lesson in the notes area. After class, add questions or keywords in the cue column and explain the lesson in a short summary.
- During class: record important ideas and examples.
- After class: add cues, questions, and keywords.
- Finish: summarize the lesson in your own words.
Lesson title + date
CuesKey term?Why?Test question
NotesMain idea• Explanation• Worked example• Important detail
SummaryExplain the lesson in 2–3 sentences.
Method 2
The Mapping Method
Put the lecture's main topic in the centre. Add branches for major subtopics, then attach definitions, examples, formulas, or evidence beneath them. The finished page should show relationships—not just a list.
- Start with one central topic.
- Branch into the lecture's main sections.
- Connect supporting ideas to the correct branch.
Main topicIdea AIdea BIdea CExampleDefinition
Method 3
The Sentence Method
Write a clear heading, then record each new idea as a short sentence or point on a new line. This format is flexible and fast, but it works best when you keep each line focused on one idea.
- Use a heading whenever the topic changes.
- Give each important idea its own numbered line.
- Leave space to add examples or corrections later.
Main topic1First important idea in your own words.2A supporting fact or explanation.3An example that makes the idea clearer.4A question to review after class.
Laptop or tabletType less.
Type less.
Think more.
Technology makes it easy to capture every word—and just as easy to stop processing the lesson. The goal is still active listening.
Filter the lecture
Do not make a transcript. Record definitions, emphasized ideas, key steps, and useful comments that are not already clear on the slides.
Ask: “What would I need to explain this tomorrow?”Record only with permission
If recording is allowed, use it to revisit a confusing explanation. It should support your notes—not replace attention or note-taking during class.
Check the instructor's rules first.Build a digital map
Use colour and connected boxes to organize ideas visually. Keep the design simple enough that the relationships remain obvious.
One colour per type of information.Avoid
→Typing every sentence exactly as it is spoken.
Do this
Topic → main rule → explanation → example → question.
Choose quickly
Which method should I use?
Match the format to the lecture instead of forcing every class into the same template.
MethodBest forWhat you get
CornellClasses with clear explanations and testable ideasOrganized review questions and a lesson summary
MappingTopics with many connected conceptsA visual picture of how ideas relate
SentenceFast lectures or unfamiliar materialFlexible notes that are easy to capture quickly
DigitalLectures with slides, links, or frequent updatesFast, searchable notes—if you filter instead of transcribing
After classThe 10-minute
The 10-minute
note reset.
A short review while the lecture is still fresh prevents confusing notes from becoming a future study problem.
- 2 minClean upFix unclear words, headings, and missing symbols.
- 3 minAdd cuesWrite questions, keywords, or connections in the margin.
- 3 minSummarizeExplain the lesson without copying a sentence from the notes.
- 2 minFlag gapsMark one question to ask, research, or bring to tutoring.
The rule to rememberActive attention matters more than the tool in your hand.
Paper, laptop, or tablet can all work when you are listening, selecting, organizing, and connecting ideas.
Source & attribution
Read the original University of Waterloo article ↗This Halton Tutor guide is an original adaptation and summary inspired by Magdalena Bentia's 2018 article for the University of Waterloo Writing and Communication Centre. The diagrams and wording on this page are original to Halton Tutor. No affiliation or endorsement is implied.
Put the method to work
Bring better notes
to your next class.
Use one method for a full week. Review after every lecture, then keep the format that helps you understand and recall the material.
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