Transcript Four Fig Grid Ref
4 Figure Grid References
• What is a Grid?
• What is a Reference?
• So . . . What is a Grid Reference?
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Answers
• A grid is a set of numbered vertical and horizontal lines which cross each other • A reference is a way of plotting / finding something • So . . . A Grid Reference is a number which represents the location of a place on a grid Let’s have a look at a Grid 2
51 50 49 48 47 46 45 21 22 23 24 25 26 27 3
51 50 49 48 47 46 45 21 22 23 24 25 26 27 The vertical lines are numbered from west to east. The vertical lines are called
eastings
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51 50 49 48 47 46 45 21 22 23 24 25 26 27 The horizontal lines are numbered from south to north. The horizontal lines are called
northings
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How to read a grid reference?
A Grid Reference is formed by the intersection of an easting and a northing.
To tell the position of a place, we put the easting first and then northing.
Here’s the grid full of common Ordnance Survey map symbols.
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51 50 49 48 47 46 45 21 22 23
P
24 25 26 For a 4-figure grid reference you need to find the numbers for the bottom
hand corner of the
left-
you want To find the grid reference, go
‘along the corridor & up the stairs’
Before I tell you, can you tell the reference for the castle?
Answer 2348 27 More practise
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24 25 26 27 What can you find in these squares?
1) 2248 2) 2648 3) 2149 4) 2246 5) 2350 What squares are these in?
6) Camping site 7) Church 8) Windmill 9) Golf Course 10) Youth Hostel 8
15 50 14 13 48 49 50 Answer these questions: 1) Name the village in square 5015.
2) In which square is the weir?
3) In which square is Manor Farm?
4) How many schools are there in square 4913.
5) In which squares can you find a public telephone and a public house?
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99 98 97 38 39 40 41 Answer these questions: 1) In which two squares are there roundabouts?
2) Name the farm in square 4099.
3) In which square could you stay the night?
4) Which square is Longworth in?
5) In which square is most of Kingston Bagpuize (the buildings not the writing) 10