The quick answer

Choose one concept and two related practice questions. Have everyone attempt the first independently, explain their reasoning in turns, and check a reliable solution together. Finish with a fresh question answered individually so each person can identify what to review next.

Give everyone a question to think about

Your friends have set aside half an hour for entrance exam review. One person opens a reviewer, someone reads out the answer, and everyone nods. Before moving on, how would you check whether each person can explain the method?

Start the next question with a quiet attempt. Each student writes an answer, a reason and one uncertain step. Those notes give everyone something concrete to bring to the discussion.

In a 2009 undergraduate genetics study, researchers used a second, related question answered individually to investigate understanding after peer discussion. Their results supported learning through discussion. That classroom finding motivates the fresh-question check in this guide. Read the original study abstract.

The schedule below is a PasadoPH editorial routine you can adapt around school. Its 30-minute timing and example questions are our own. The research was conducted in university genetics classes, so use your own independent work to judge how the routine helps your entrance exam preparation.

Prepare one concept and two questions

Before meeting, choose a narrow skill, such as finding average speed, identifying a passage’s main idea or checking an algebra solution. Bring two questions that require the same underlying skill but use different details. Keep their explanations covered until the relevant review step.

For a first session, try two to four people. Assign someone to keep time and someone to record unresolved steps. Rotate those jobs next time. Everyone still solves and explains.

You need paper or a private notes document, a timer and a source you can use to check the reasoning. The original pair below is enough to try the session immediately.

A 30-minute plan

MinutesWhat to doWhat each person produces
0–3Agree on the concept and read question one.A clear statement of what the question asks.
3–7Work quietly and independently.An answer, a reason and an uncertainty.
7–15Take explanation turns. Ask about steps that differ.A spoken explanation and a specific question for a peer.
15–20Check the worked solution together.A corrected step, with a reason for the correction.
20–25Answer question two independently.A fresh solution without help from the group.
25–30Check question two and choose a follow-up.One skill to revisit and one next practice task.

During explanation turns, use prompts that make the method visible:

  • “Which information did you use first?”
  • “Why does that operation fit what the question asks?”
  • “Where do our solutions first differ?”
  • “Can you show why that answer choice fails?”

Let everyone finish an explanation before opening the key. If one person answers quickly, ask them to explain a specific step after another person has had a turn.

Question one for the group

An imaginary toy car travels 60 metres in 30 seconds, then another 60 metres in 60 seconds. These intervals cover its entire trip. What is its average speed over the whole trip?

  • A. 1 metre per second
  • B. 4/3 metres per second, about 1.33
  • C. 1.5 metres per second
  • D. 2 metres per second

Write a choice and your reasoning before comparing notes.

Check the explanation after your discussion

B is correct. Average speed over the trip is total distance divided by total elapsed time:

(60 + 60) ÷ (30 + 60) = 120 ÷ 90 = 4/3 metres per second.

The first interval’s speed is 60 ÷ 30 = 2 metres per second. The second interval’s speed is 60 ÷ 60 = 1 metre per second.

Choice C comes from averaging those two speeds equally: (2 + 1) ÷ 2 = 1.5. But the car spends twice as long at the slower speed. Equal distance intervals give different durations here, so the simple average of the two speeds does not give the whole-trip average.

Choice A uses only the second interval. Choice D uses only the first. Ask each person to explain where the 90 seconds comes from and why both intervals belong in the calculation.

Checking a reasoned explanation is part of the session. A 2011 study in two undergraduate genetics courses found that peer discussion followed by instructor explanation produced better average performance on related questions than either approach alone. A study group can use that finding as a reason to include feedback, while recognizing that reading a solution together differs from receiving instructor feedback. Read the study.

Question two for each person

Work alone before revealing your answers. An imaginary robot travels 40 metres in 20 seconds, then 40 metres in 10 seconds. These intervals cover its entire trip.

  1. What is its average speed for the entire trip?
  2. A student averages the two interval speeds and gets 3 metres per second. Explain the error.

Check your independent attempt

The total distance is 80 metres and the total time is 30 seconds. The average speed is 80 ÷ 30 = 8/3 metres per second, about 2.67.

The interval speeds are 2 and 4 metres per second. The robot spends 20 seconds at 2 metres per second and 10 seconds at 4 metres per second. Taking (2 + 4) ÷ 2 assigns equal weight to unequal durations.

Compare your reasoning with your first attempt. Could you choose the correct quantities and explain the tempting error on your own? Record any uncertain step even if your final number was correct.

Leave with one next task

Each student can finish this sentence in their notes:

“On the next question, I will check ___ before I calculate or choose an answer.”

For this example, you might write, “I will add the full distance and time before dividing.” Add that correction to your entrance-exam mistake log, then revisit it during a short active-recall session.

If a disagreement remains, record the exact step and a source or teacher to consult. For reading discussions, the inference guide offers another original exercise where group members can point to evidence.

For your next individual practice session, try the free PasadoPH diagnostic and bring one concept you want to explain more clearly to your next group meeting.

Common questions

How many people should join the session?

Try two to four people for this routine so everyone has time to speak. That is a practical starting point, not a research-established optimum. With a larger group, split into pairs or small groups for the first discussion.

What if everyone chooses the same answer?

Ask each person to explain a step or why an alternative fails before checking the solution. Matching answer letters can hide different reasoning. Then use the fresh individual question to check understanding.

Can we do this in a group chat?

Yes. Give everyone a short private writing period first, then post explanations together at an agreed time. Rotate who summarizes the reasoning, and keep the final individual attempt private until everyone has finished.

What if our group cannot agree on the solution?

Write the exact disputed step and consult a textbook explanation, worked solution or teacher. Record unresolved questions for follow-up. Treat a majority vote as a discussion result that still needs verification.

Sources & further reading

Sources checked for this guide on November 9, 2026. Admissions requirements can change; confirm your application cycle with the university.

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