Plan a university lecture

Lectures work better when they are broken into segments of about 10 to 15 minutes separated by short activities where every student has to think, commit to an answer and compare it with others. Peer instruction (a concept question, individual vote, discussion with a neighbour, revote, explanation) reliably improves conceptual understanding, even in large rooms. Worked examples should be shown step by step with the reasoning spoken aloud, then followed by a similar problem for students to try. Starting with a quick retrieval question on last week's material and ending with a check on today's makes learning visible to both lecturer and students. Lecturers usually overestimate how much fits in a slot.

Plan a 50-minute lecture on:

Level:
ph:course_level

1. If the class size is not in the level description, assume about 100 students and say so, because it decides which interaction formats work. Write 2 to 4 lecture goals with observable verbs. Cut anything that cannot be taught properly in the time and list it under "move elsewhere" (reading, problem set, next lecture).
2. Build a timed plan that adds up to exactly 50 minutes: an opening retrieval question on prior material (3 to 5 minutes), segments of no more than about 15 minutes of exposition, an interaction point between segments, and a closing retrieval check with a one-sentence summary. Include a 2 to 3 minute buffer as its own row inside the total, so the rows still add up to exactly 50.
3. Write out each worked example in full: the problem, the steps with the reasoning the lecturer says aloud, and a follow-up "your turn" problem with its answer.
4. Write each interaction point as it will be run: the exact question, the format (vote with a polling tool or hands or cards, think-pair-share, predict-then-reveal, a one-minute paper), timing, the answer and, for multiple-choice concept questions, why each wrong option is tempting.
5. Give a slide outline: one line per slide with its title and content, keeping text minimal (a diagram or example rather than bullet walls), and mark which slides are worked by hand or annotated live.
6. Write the closing retrieval check: 2 or 3 short questions that test today's goals, with answers.
7. Add notes on what to watch for (the most likely confusion and the cue that students are lost) and what to adjust next time.

• Content must be accurate for the level; if the topic description is ambiguous (which notation, which prior knowledge), state your assumption at the top.
• Interaction formats must work at the stated class size; for 100+ students avoid activities that need the lecturer to hear every group.
• Do not pad with generic advice about engagement; everything in the plan is specific to this topic.
• If the slot cannot fit the topic as described, say so and propose the split.

Lecture goals

Numbered goals, then "Move elsewhere".

Timed plan

Table: Start-end (min) | Segment | What happens | Interaction. Times sum to 50.

Worked examples

Each with steps, spoken reasoning and a "your turn" problem with answer.

Interaction points

Each with question, format, timing, answer and distractor notes.

Slide outline

Numbered list: Slide title - content (live annotation marked).

Retrieval check

Questions with answers.

Notes for next time

Bullets.