Take three hands-up answers, not open call-outs. Listen for whether pupils add the cent straight away or count on. Do not correct yet — this is just to surface how they already add small money amounts.

Talk through each tray on the board. Name the first price, then the second, then the total. Before each total, ask the class to predict it and take two hands-up answers, so the beat keeps moving.

• 30c + 20c — the cent join to make 50c, still under a euro.
• 40c + 40c — 80c, close to a euro but not over; hold out for pupils to say it stays in cent.
• €1 + 50c — the euro coin stays whole, the 50c rides alongside.
• 60c + 60c — this is the important one. The cent make 120c, which is more than a hundred. Point at the coins showing one whole euro plus 20c left over, so the total is €1.20. Ask where did the extra hundred cent go?

Add the cent, then the euro is the phrase to keep saying over every tray.

Talk this one through together. Pupils take turns at the board and the class agrees or corrects out loud.

For each pair, one pupil drags coins for the first price, another adds the second, and the class reads the total. Watch 60c + 40c and €1.50 + 50c — both tip exactly to a full euro. Point at the coins visibly combining into a whole euro coin on the tray so pupils see where the cent went, not just the number changing. A whole-euro total is written €1.00 or €2.00 and read aloud as 'one euro' or 'two euro'. Ask where did the cent go? before revealing. Keep the board work brisk.

This is the practice round. Pupils take turns coming to the board, and the class agrees on each answer before Check is tapped once. Keep the board work brisk rather than over-explaining. For each answer, have the class read the total back in euro and cent.

• 25c + 25c — an easy start, 50c, everyone in.
• 60c + 40c — the cent make exactly 100, so it becomes €1.00; ask the class to predict before the reveal, then read it as 'one euro'.
• €1.10 + 80c — the cent (10 + 80 = 90) stay under 100; the total is 190c, read €1.90.
• €2.50 + 45c — the tricky one; 50c + 45c = 95c, still under a euro, so 295c, read €2.95.

Pupils type the total in cent, then the class reads it back in euro and cent so the two ways of writing it stay joined up. The class agrees before Check is tapped once.