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Classroom posters: the wall versions of the ideas that work

How to use this page: each section below is a poster — print the page and cut, or copy a section into your own template at A3. Every poster links its evidence page, because a wall rule a teacher can defend beats a laminated slogan. One deliberate omission: no leaderboard, star chart, or ranking poster will ever appear here — that's a considered position, not an oversight.

Poster 1: The Three Questions (source checking)

WHO says this? HOW do they know? WHO ELSE agrees? Check a second place before you believe a surprising thing.

Evidence: evaluating sources · lateral reading

Poster 2: The Trickster's Toolkit (scam techniques)

Watch for the five old tricks: FREE! (nobody gives away money for nothing) HURRY! (countdowns exist to stop you thinking) IT'S ME! (anyone can pretend — check another way) TRADE FIRST! (some handovers can't be undone) A GIFT FOR YOU! (unearned generosity is a question mark) Spot the trick, name the trick, tell a grown-up.

Evidence: scam typologies · prebunking

Poster 3: The Pack-Up Spell (shared computers)

Before you leave the machine: SAVE your work → SIGN OUT → CHECK the screen shows the login page. An open session is your name holding the door open.

Evidence: sessions on shared computers · shared-device hygiene

Poster 4: Rest Your Eyes (20-20-20)

Every 20 minutes, look at something far away (20 metres is plenty) for 20 seconds. Blink like you mean it. Your eye muscles hold a squeeze up close — give them a stretch.

Evidence: eye health — and outdoor play is the real eye medicine.

Poster 5: Home Row Is Home

Fingers rest on A S D F — J K L ; — thumbs on space. The bumps on F and J are there so you never have to look. Accuracy first. Speed follows accuracy — it never leads it.

Evidence: home row method · accuracy first

Poster 6: Turns, Not Talent

Nobody is born knowing computers. Some people just got more turns. This class is where you get your turns.

Evidence: the digital-native myth · the access gap

Poster 7: When Magic Breaks (troubleshooting ladder)

  1. Read what the screen actually says.
  2. Ask: is it just me? (check a neighbour)
  3. Try the gentle fixes: close it, reopen it, sign out and in.
  4. Search the error's exact words.
  5. Tell someone what you tried — that's not giving up, that's data.

Evidence: debugging as pedagogy

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