And the squares along the side of the map, have got numbers next to them ... That’s called a grid reference.

Use this rainforest game to get some practise using grid references on a map. Follow the instructions to find four locations on the map. As you go, check the meaning and pronunciation of tricky ...

Grid reference SE830220 on map 112 is as near as cartographers can find to a completely blank square among the 320,000 in the widely-used Landranger map series. The plot of farmland was identified ...