Getting to Grips with Grid References!...OS Map Symbols 2 viewpoint 3 viewpoint 4 viewpoint 5...

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Getting to Grips with Grid References!

Transcript of Getting to Grips with Grid References!...OS Map Symbols 2 viewpoint 3 viewpoint 4 viewpoint 5...

Getting to Grips with Grid References!

OS Map Symbols

viewpoint2

viewpoint3

viewpoint4

viewpoint5

viewpoint6

viewpoint viewpoint

coastguard

picnic site

golf course

parking

bus/coach station

1

OS Map Symbols

viewpoint8

viewpoint9

viewpoint10

viewpoint11

viewpoint12

viewpoint campsite

information centre

public house

windmill

place of worship

telephone

7

What Are Four-Figure Grid References?

Four-figure grid references are used to locate a particular grid square on a map.

Why might this be useful?

To create a four-figure grid reference you use the grid lines and grid numbers.

01 02 03 04

77

78

79

80

01 02 03 04

77

78

79

80

The vertical gridlines are called eastingsand they increase as you move eastwards.

The horizontal gridlines are called northings and they increase as you move northwards.

What Are Four-Figure Grid References?

3226

nort

hing

seastings

27

26

25

24

23

2231 32 33 34 35 36

How to find a grid square.

If the grid reference is:

The first two numbers give the eastings.

The second two numbers give the northings.

Locate the point where the easting and northing grid lines meet. This is the bottom Left-hand corner of grid square 3226…

…the campsite.

L

What Are Four-Figure Grid References?

viewpointtelephonecamp site

picnic sitegolf coursechurch

Remember…. eastingsthen northings!

Along the corridor and up the stairs!

viewpointtelephonecamp site

picnic sitegolf coursechurch

Your Turn!

a. What OS map symbol is found in each of these grid squares?

a. 3526

b. 3124

c. 3323

2. What is the grid referencefor the:

a. church?

b. telephone?

golf course

viewpoint

picnic site

3524

3122

1

2 nort

hing

seastings

27

26

25

24

23

2231 32 33 34 35 36

What Are Four-Figure Grid References?

Treasure Island!Complete the Treasure Island Activity Sheet.