Haven't studied for the exam? Then don't try to catch up on all the material. First, decide based on the remaining time: in one hour, you secure basics and workflow; in one day, you actively work through the most important types of tasks; in three days, you combine diagnosis, practice, and review. There is no promise that this will be enough to pass. Your goal now is to use your limited time to bridge the biggest gaps in knowledge and prevent avoidable mistakes.
In a nutshell: First narrow down the material and the exam format, then actively recall or calculate a few relevant topics. Reading passively, creating perfect summaries, and pulling an all-nighter are poor investments of time in this situation.
You can find more preparation topics in the Spickboy™ Guide.
The first step: an honest five-minute diagnosis
Before you study, you need a rough map of the exam. Use only official documents or those clearly intended for your course: topic lists, module descriptions, learning objectives, problem sets, the announced exam format, and permitted practice exams. Experiences from previous years can provide clues, but they are no substitute for current guidelines.
On a sheet of paper, make three columns:
- Can I do it without help: You could explain the definition or start the task type.
- Seen it before: You recognize the topic, but can't manage it on your own yet.
- Almost new: You are missing the basics or the starting point.
Then, mark what is fundamental and needed for several tasks. A core procedure that appears in five task types is usually more valuable than a special detail from a side slide. The TU Berlin recommends weighting content based on relevance and your own level of knowledge. This is exactly the logic you need now, in a condensed form.
Which emergency plan fits your remaining time?
| Remaining time | Realistic focus | Consciously skip |
|---|---|---|
| 1 hour | Exam workflow, core terms, standard procedures, and material check | New large chapters, beautiful notes, and long explanatory videos |
| 1 day | Diagnosis, frequent basics, active tasks, and a short final test | Completeness at any cost and a night without sleep |
| 3 days | Prioritized coverage, repeated retrieval, and exam simulation | Perfection of details over solid foundations |
The three paths are not a guarantee for passing. They help you distinguish between meaningful improvement and mere busywork.
One hour until the exam: securing basics and workflow
If you only have about an hour left, a complete study plan is unrealistic. Don't waste your time frantically jumping between files.
Minute 0 to 10: clarify the framework
- Check location, start time, registration, and permitted aids.
- Look at the exam format and point distribution, if officially known.
- Select three to five central topics or task types.
- Close all documents that do not belong to these priorities.
Minute 10 to 40: active instead of passive work
For each core topic, work on a small task or answer a specific question without a template. Explain a term out loud, write out a diagram from memory, or calculate the start of a standard task. Only compare with the solution afterward and correct exactly one mistake.
This retrieval is more than a knowledge test. In experiments by Roediger and Karpicke, active recall led to better retention in later tests than repeated reading; however, the study used different time intervals and materials than your specific exam. It justifies the method, not a success prediction for the next hour.
Minute 40 to 50: mini error list
Write down at most five points:
- a frequently confused definition,
- a starting diagram for a central task type,
- a formula with variables and conditions,
- a typical sign or unit error,
- an instruction you easily overlook in tasks.
Minute 50 to 60: stop and arrive
Pack your permitted materials, have a drink if needed, and go to the exam location in time. If you have to be on your way already, organization has priority. Don't read new content until the last second. You need your attention for the tasks, time management, and clear answers.
One day until the exam: select and apply material
With about one day remaining, you can use several concentrated study blocks. The exact sequence belongs to the independent guide 24 hours before the exam; here, it is about the decision of what this one day can achieve compared to one hour or three days.
Set three outcomes for yourself:
- You understand the most important basics well enough to recognize a matching task.
- You have worked on central task types or questions yourself.
- You know which gaps will remain open until the exam.
After the diagnosis, start with an important topic that you partially know. Short-term gains are often greater there than with a completely new special field. Alternate between retrieval and control: answer a question, check the solution, explain mistakes, attempt a similar question again. Practice tests and distributed learning are among the more useful learning techniques in a large research review by Dunlosky and colleagues. While a single day limits the distribution, short intervals between several attempts are still different from hours of re-reading.
Plan real breaks and an end to your study day. As the US National Heart, Lung, and Blood Institute summarizes, sleep deprivation can impair attention, problem-solving, memory, and decision-making. Therefore, do not trade the entire night for additional hours of reading. This article does not prescribe an individual sleep duration.
Three days until the exam: diagnosis, structure, and practice
Three days are not enough for every subject and every starting point. But they do allow for a learning cycle with a time interval.
Day 1: gap map and foundation
- Review the exam material completely, but only roughly.
- Rank topics according to relevance and current skill.
- Work through the basics that multiple tasks depend on.
- At the end, answer five to ten questions without materials.
Day 2: task types and errors
- Solve representative practice tasks under realistic conditions.
- Don't just mark errors; name their causes.
- Re-work and re-retrieve uncertain core topics shortly after.
- Only pick up peripheral topics if the basics are solid.
Day 3: recall and exam situation
- Conduct a short practice run in the actual answer format.
- Specifically check incorrect or skipped answers.
- Only close very narrow gaps.
- Prepare materials, commute, and rules; finish in time.
The TU Berlin advises practicing reproduction in the later exam mode: written for an exam, oral for an oral exam. This does not mean that just any old exam predicts the upcoming content. It shows you primarily whether you can apply knowledge under time pressure and without solution aids.
How to identify exam-relevant material without speculating
"This is definitely going to be on it" is not a reliable strategy. Instead, use verifiable signals:
- explicitly stated learning objectives and topic boundaries,
- recurring basics in exercises and tutorials,
- task types that were actually trained in the course,
- weightings or formats from official exam information,
- practice and review questions provided by instructors.
Old exams can show the format, but the next one might set different priorities. Therefore, do not just memorize solution patterns. Ask yourself with every practice task: What principle is being tested? How do I recognize the task type? What would have to change for a different solution path to be necessary?
What you should not confuse with study time right now
- Completely rearranging documents: Only sort enough to find relevant content.
- Highlighting everything: Highlighting does not yet show whether you can recall or apply something.
- Writing a perfect summary: Use a concise error or core question list instead of a design project.
- Looking at solutions for hours: Cover the solution and start yourself.
- Switching between many media: Choose one reliable main source and only supplement it specifically.
- Following panic chats: Other people's speculation about topics costs focus and can distort your priorities.
- Sacrificing the night: More awake time is not automatically more usable knowledge.
Checklist for heading to the exam
- Exam location, start time, and registration requirements checked
- Photo ID or required proof packed
- Only explicitly permitted aids included
- Functional pens and permitted replacement material packed
- Commute planned with a time buffer
- Task format and processing time roughly known
- Final study block finished
- No new major projects opened
For the processing itself, the TU Berlin recommends getting an overview first, roughly dividing the time, and returning to a stuck task later. This approach does not replace specialist knowledge, but it prevents you from losing all your time on a single task.
Common questions if you haven't studied
Can I still pass an exam with one hour of preparation?
It is possible, but not seriously predictable. Subject, prior knowledge, exam format, passing threshold, and your current skills all differ. Use the hour for basics, standard tasks, and organization—not for a guarantee that no one can give.
Should I rather read everything briefly or practice a few topics?
Get a very brief overall overview first. Afterward, actively work on a few important basics. Reading alone can seem familiar without showing whether you can generate an answer yourself.
Are old exams the best source now?
They are useful if they are lawfully available and meaningful for your module. Use them to identify format and task types, not as a promise that the same questions will appear again.
Should I study all night before the exam?
No. Pulling an all-nighter can impair attention, memory, and decision-making. Limit the material, plan a clear stop, and preserve a normal opportunity for sleep. More on this is explained in Pulling an all-nighter or sleeping before the exam.
What do I do if I don't understand anything while studying?
Go back one step: clarify terms, prerequisites, and a solved basic example. If a core topic remains incomprehensible, search for an official exercise explanation or ask an accessible expert. Do not jump aimlessly between ten explanations.
Should I withdraw from an exam?
That is not a general study decision. Deadlines, consequences, and permissible reasons are governed by your examination regulations or school rules. Check the official rule and ask the responsible office; do not accept a formal disadvantage because of an internet article.
Your next step
Write at the top of a sheet of paper now: Remaining time, exam format, three core topics. Then choose the appropriate plan and start with a task, not a new summary. If you primarily want to know if passing without preparation is realistic at all, the article Passing an exam without studying clearly separates prior knowledge, format, and minimum preparation from each other.
Sources and status
Sources checked on August 24, 2026. Research describes general learning and performance effects; it does not predict an individual exam result.
- Technische Universität Berlin, General Student Advisory Service: Drafting a study plan, no visible update date. Scope: Overview, weighting, and prioritization in exam preparation.
- Technische Universität Berlin, General Student Advisory Service: Learning types and techniques, no visible update date. Scope: Example tasks, exam simulation, and recall in suitable exam form.
- Dunlosky et al., Psychological Science in the Public Interest: Improving Students’ Learning With Effective Learning Techniques, 2013. Scope: Research review of ten learning techniques; no individual last-minute forecast.
- Roediger & Karpicke, Psychological Science: Test-Enhanced Learning: Taking Memory Tests Improves Long-Term Retention, 2006. Scope: two experiments with prose and delayed recall tests.
- National Heart, Lung, and Blood Institute: Sleep Deprivation and Deficiency – How Sleep Affects Your Health, last updated June 15, 2022. Scope: general effects of sleep deprivation on learning, attention, and daily performance.
- Technische Universität Berlin, General Student Advisory Service: Taking exams: preparation and procedure, no visible update date. Scope: exam day, time overview, and task processing.