www geointeractive co uk Sixfigure grid references 573287

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www. geointeractive. co. uk Six-figure grid references 573287 548284

www. geointeractive. co. uk Six-figure grid references 573287 548284

Six-figure grid references are used to locate objects or places within a grid square

Six-figure grid references are used to locate objects or places within a grid square and so are much more accurate than four-figure grid references. In order to use six-figure grid references, you need to use the numbers on the grid lines plus an estimate of where an object is located within the grid square. 29 In this example, the tree symbol is located at 344286. Let’s see how that works in a bit more detail…. 28 34 35

Six-figure grid references The first task is to give the four-figure grid reference of

Six-figure grid references The first task is to give the four-figure grid reference of the square. This is: 29 34 4 28 5 Now imagine the bottom and side of the grid square divided into tenths. The tree is located 4 tenths of the way along the bottom of the square. So we add a 4 to our grid reference. 5 The tree is located 5 tenths of the way up the side of the square. So we add a 5 to our grid reference. 28 4 34 35 The six-figure grid reference is 344285 CLICK me

Six-figure grid references Time now for a little test. FIVE symbols are going to

Six-figure grid references Time now for a little test. FIVE symbols are going to be highlighted and you have TEN seconds to write down the six-figure grid reference for each symbol. 29 10 9 8 7 6 5 4 3 2 1 1 CLICK to CLICKstart. . . for the next symbol 1 28 34 35

Six-figure grid references 29 10 9 8 7 6 5 4 3 2 1

Six-figure grid references 29 10 9 8 7 6 5 4 3 2 1 2 2 1 CLICK for the next symbol 28 34 35

Six-figure grid references 29 3 9 8 7 6 5 4 3 2 1

Six-figure grid references 29 3 9 8 7 6 5 4 3 2 1 CLICK for the next symbol 28 34 10 35

Six-figure grid references 29 4 3 2 1 9 8 7 6 5 4

Six-figure grid references 29 4 3 2 1 9 8 7 6 5 4 3 2 1 4 CLICK for the next symbol 28 34 10 35

Six-figure grid references 29 4 5 3 9 8 7 6 5 4 3

Six-figure grid references 29 4 5 3 9 8 7 6 5 4 3 2 1 5 2 1 OK all finished – let’s check the answers next. 28 34 10 35

Six-figure grid references ANSWERS: 29 1 = 343281 2 = 349285 4 5 3

Six-figure grid references ANSWERS: 29 1 = 343281 2 = 349285 4 5 3 3 = 345285 2 4 = 341289 5 = 347287 CLICK to see the Remember – you answers… should be no more 1 28 34 35 than one number out on the red figures

www. geointeractive. co. uk Six-figure grid references This Powerpoint Presentation was developed by Geo.

www. geointeractive. co. uk Six-figure grid references This Powerpoint Presentation was developed by Geo. Interactive – a teachers website producing interactive resources and other teaching materials. The presentation can be amended for use in the institution licensed to use these resources but please do not remove the copyright notice or pass on to other institutions. Copyright © Geo. Interactive 2004

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