I adjust the classroom furniture to ensure the middle rows cover the half-way point of the square. The pupils are then given the four-figure grid reference of the classroom. I reveal six-figure co-ordinates on the OHP one by one with the "victims" standing when they recognise "their" location. They soon catch on and some work out their location themselves. I use myself as a roving-point within the square in order to cover all points. I find pupils tend to help each other work it out.
I then give out map symbol cards and let them use the key from their Ordnance Survey maps. Volunteers stand and display their cards and, on a sheet with all their names on, they fill in "Joe's map symbol is - ", and "Kirsty's symbol is - ". You can renumber the square or use compass directions, for example: "Matthew's railway station is south-east of Lisa's church with a tower."
Mike Conlon, head of year, St Wilfrid's Catholic High School, Sefton, Merseyside
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