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Keywords for today's lesson:
Scale
Distance
Kilometres (KM)
Centimetres (CM)
Measuring
Accuracy
Why do we use scale?
When we make a map … we shrink the real world so that it can
fit on a page
We use scale to do this…
S...
So how does it work?
Simply put, scale is how much the person
making the map has shrunk the real world
1cm on the map 4km ...
0 1 2 3 4 5 6
Kilometres
You can measure the
distance with a ruler.
2cm = 1km
You can measure the
distance in cm
Try to be exact!
(Each extra mm = .1)
Then … divide by 2 to
change to km
4cm = 1km
You can measure the
distance in cm
Try to be exact!
(Each extra mm = .1)
Then … divide by 4 to
change to km
Convert these scales
Scale 2cm = 1 km
1) 2cm
2) 4cm
3) 6cm
4) 7cm
5) 5cm
Scale 4cm = 1 km
1) 4cm
2) 2cm
3) 6cm
4) 7cm
5) 5...
Answers
Scale 2cm = 1 km
1) 1km
2) 2km
3) 3km
4) 3.5km
5) 2.5km
Scale 4cm = 1 km
1) 1km
2) 0.5 km
3) 1.5km
4) 1.75 km
5) 1...
How do we measure something that
isn’t straight?
Things like roads and rivers are bendy, but our ruler is straight…
How ca...
How do we measure something that
isn’t straight?
Step forward our hero
Activity
We are going to measure the distances between points on your
map using the ‘magic strip’ technique we have just w...
Measuring Scale and Distance
Measuring Scale and Distance
Measuring Scale and Distance
Measuring Scale and Distance
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Measuring Scale and Distance

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Geography map skills: Scale and Distance

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Measuring Scale and Distance

  1. 1. Keywords for today's lesson: Scale Distance Kilometres (KM) Centimetres (CM) Measuring Accuracy
  2. 2. Why do we use scale? When we make a map … we shrink the real world so that it can fit on a page We use scale to do this… Simply put, scale is how much the person making the map has shrunk the real world
  3. 3. So how does it work? Simply put, scale is how much the person making the map has shrunk the real world 1cm on the map 4km in the real world
  4. 4. 0 1 2 3 4 5 6 Kilometres You can measure the distance with a ruler.
  5. 5. 2cm = 1km You can measure the distance in cm Try to be exact! (Each extra mm = .1) Then … divide by 2 to change to km
  6. 6. 4cm = 1km You can measure the distance in cm Try to be exact! (Each extra mm = .1) Then … divide by 4 to change to km
  7. 7. Convert these scales Scale 2cm = 1 km 1) 2cm 2) 4cm 3) 6cm 4) 7cm 5) 5cm Scale 4cm = 1 km 1) 4cm 2) 2cm 3) 6cm 4) 7cm 5) 5cm Quick recap
  8. 8. Answers Scale 2cm = 1 km 1) 1km 2) 2km 3) 3km 4) 3.5km 5) 2.5km Scale 4cm = 1 km 1) 1km 2) 0.5 km 3) 1.5km 4) 1.75 km 5) 1.25 km Quick recap
  9. 9. How do we measure something that isn’t straight? Things like roads and rivers are bendy, but our ruler is straight… How can we measure them?
  10. 10. How do we measure something that isn’t straight? Step forward our hero
  11. 11. Activity We are going to measure the distances between points on your map using the ‘magic strip’ technique we have just watched You need: -Your ruler -Pencil -Your ‘Magic strip’

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