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Read next: How to do a mock exam at home that actually prepares youAll 8 timers

Mock exam timer for the classroom

A mock in a classroom is mostly about rehearsing the conditions, and the clock is a large part of those conditions. Students who have practised pacing against a visible finish time handle the real hall better.

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The short answer

Run a mock at the real paper's length and display the finish time from the start, because pacing is the skill being practised. Announce the timings once at the beginning, then say nothing else — in the actual exam nobody will tell them they are halfway, and a mock where you do is not rehearsing the thing that goes wrong.

How to use it

Three steps to a timer on the wall

  1. Step 1: Choose a time

    Pick a preset or set your own. The timer remembers what you used last on this device.

  2. Step 2: Press start

    Start the timer, then press F or the fullscreen button to fill the screen.

  3. Step 3: Run the room

    Space pauses, the up arrow adds a minute, R resets. Fullscreen shows the timer alone, with no ads and no navigation.

Running it well

Four things worth knowing

  • Run it at the real length, even if it does not fit the lesson

    A 90-minute paper squeezed into 50 minutes tests speed rather than the subject. Use a double period, or split the paper by section and time each section properly.

  • Do not give time checks

    Nobody will in the hall. Students who have only ever worked to a teacher counting down have not practised the thing that actually catches them out.

  • Teach the finish time, not the duration

    "You finish at 10:35" is easier to work against than "you have 90 minutes", because it needs no arithmetic under pressure. The clock shows both.

  • Start it when the last person has their paper

    Handing out during the countdown gives the front row an advantage that will show up in the marks and tell you nothing useful about anyone.

In the room

Built to be read from the back row

A timer that only works on the person running it is not doing the job. The digits scale to the screen, the colour changes before the end, and fullscreen shows nothing else at all.

A teacher presenting to a classroom of students
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Photo by Quilia on Unsplash

No ads on your big screen

Ads pay for this page, and they stay on this page. The moment the timer goes fullscreen there is nothing on screen but the time — no banners, no navigation, no surprises in front of a room.

  • Fullscreen shows the timer alone
  • Ad sounds can never clash with the alarm
  • Saved times stay on your device — no account
  • Works with an ad blocker, and offline once loaded
FAQ

Questions people ask

Anything we've missed?

Tell us

Should students see the time during a mock?

Yes. Pacing is one of the main skills a mock is for, and it cannot be practised against a clock they cannot see. Display the finish time and the time remaining together.

How do I fit a 90-minute paper into a lesson?

Use a double period, or split the paper by section and run each section at its own proper length. Compressing the whole paper measures writing speed rather than the subject.

Should I add reading time to a mock?

If the real paper has it, yes — it is part of the conditions being rehearsed. Set it separately so the working time stays the full length.

Can I use this on a normal classroom projector?

Yes. Press F for fullscreen and the board shows the start time, the finish time and the time remaining, with no navigation and no ads at all in that view.

Time something specific

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