Grid References Part 1 4 Figure Grid References
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Grid References Part 1 4 Figure Grid References Map Skills Icons key: For more detailed instructions, see the Getting Started presentation. Flash activity. These activities are not editable. Accompanying worksheet. 1 of 7 Printable activity. Teacher’s notes included in the Notes Page. Useful web links. © Boardworks Ltd 2006 2009
Grid references 34 Geographers use Ordnance Survey maps frequently but how can the location of places on them be described? 33 Ordnance Survey maps are covered by a grid. 32 The grid lines are numbered. 31 30 00 01 2 of 7 02 03 04 The numbers are used to describe where places are. © Boardworks Ltd 2009
Eastings and northings Areas on a map are identified by a four figure grid reference. It is a set of two numbers, the easting and the northing. What is the grid reference of the orange square? 34 The easting is always written first. It is the number at the top 33 or bottom of a map. The northing is always written second. It is the number at the side of a map. The grid reference is provided by the intersection of gridlines in the bottom left corner of the square. 32 31 30 00 01 02 03 The square’s grid reference is 0231. 3 of 7 © Boardworks Ltd 2009 04
Finding a grid reference How would you find the area with the grid reference 0231? 34 33 32 31 30 00 4 of 7 01 02 03 04 1. Find the value of the easting by finding 02 at the bottom of the map. 2. Find the value of the northing by finding 31 line at the side. 3. Follow the grid lines along until they intersect. The area you are looking for is north-east of the point where the lines meet. © Boardworks Ltd 2009
Four figure grid references 5 of 7 © Boardworks Ltd 2009
Giving four figure grid references 6 of 7 © Boardworks Ltd 2009
4 in a row 7 of 7 © Boardworks Ltd 2009
