How do you work out grid references in geography?
How do you work out grid references in geography? Grid referencesFirst, find the four-figure grid reference but leave a space after the first two digits.Estimate or measure how many tenths across the grid square your symbol lies. Next, estimate how many tenths up the grid square your symbol lies. You now have a six figure grid reference. What is a 4 grid reference in geography? four-figure grid reference, such as '19 45', indicates a 1 km by 1 km square on the map; and. six-figure grid reference, such as '192 454', indicates a 100 m by 100 m square on...