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Geographical SkillsTopic Summary

Topic Summary: Map Skills

Part of Map and Spatial Skills — GCSE Geography

This topic summary covers Topic Summary: Map Skills within Map and Spatial Skills for GCSE Geography. Revise Map and Spatial Skills in Geographical Skills for GCSE Geography with 15 exam-style questions and 20 flashcards. This topic shows up very often in GCSE exams, so students should be able to explain it clearly, not just recognise the term. It is section 13 of 13 in this topic. Use this topic summary to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 13 of 13

Practice

15 questions

Recall

20 flashcards

Topic Summary: Map Skills

Map Types
  • Topographic (OS): symbols, contours, scale — physical + human features
  • Choropleth: shaded areas — weakness: hides internal variation
  • Isoline: equal-value lines (isobars, isotherms)
  • Dot map: distribution pattern — weakness: no exact figures
  • Proportional symbol: size = value — weakness: hard to compare circles
  • Flow line: arrows showing movement and volume
OS Map Rules
  • 1:50,000 → 2 cm = 1 km (Landranger, pink)
  • 1:25,000 → 4 cm = 1 km (Explorer, orange)
  • Contours every 10 m (1:50,000); every 5 m (1:25,000)
  • Close contours = steep; wide contours = gentle
  • V-shapes pointing uphill = river valley
  • Concentric rings = hill summit
  • Index contour = every 50 m (thicker + labelled)
Grid References
  • Rule: easting then northing — "along the corridor, then up the stairs"
  • 4-figure = 1 km² square (e.g., 4210)
  • 6-figure = 100 m² point (e.g., 423104)
  • CARTS: Corridor, Always, Room, Tenths, Six
  • Tenths: divide each km square into 10 equal strips
  • Check: first two digits of 6-figure = easting of 4-figure
Bearings and Coordinates
  • N = 000°, E = 090°, S = 180°, W = 270°
  • NE = 045°, SE = 135°, SW = 225°, NW = 315°
  • Measured clockwise from north, always 3 figures
  • Latitude = horizontal (flat) — given FIRST
  • Longitude = vertical (long pole-to-pole) — given SECOND
  • London: 51°N, 0°W | Nairobi: 1°S, 37°E | Sydney: 34°S, 151°E

Keep building this topic

Read this section alongside the surrounding pages in Map and Spatial Skills. That gives you the full topic sequence instead of a single isolated revision point.

Exam Tips for Map SkillsLost on Dartmoor With Only a MapOS Maps: The Foundation of All Map Skills

Practice Questions for Map and Spatial Skills

What does a six-figure grid reference identify on an Ordnance Survey map?

  • A. A whole grid square, 1 km across
  • B. A precise point within a grid square
  • C. The height of a hilltop above sea level
  • D. The straight-line distance between two places
1 markfoundation

Define what an isoline map is and give one example of an isoline.

2 marksstandard

Quick Recall Flashcards

What does a six-figure grid reference do?
It identifies a more precise point within a square.
What does a four-figure grid reference do?
It identifies a square on the map.

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