Geographical Skills

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Cambridge (CIE) IGCSE Geography

Geographical Skills

Every geography exam question comes wrapped around a map, a graph, a photo, or a piece of text — and your job is to read, measure, and describe exactly what's there, not what you assume is there.

Summary — What This Chapter Covers

Maps: grid references (4 & 6 figure), scale & distance measuring, bearings, height (contours, spot heights, trig points), topography, cross-sections, and map keys.
Graphs & Diagrams: line graphs, bar charts, histograms, compound bar charts, population pyramids, pie charts, rose diagrams, triangular graphs, scatter graphs, choropleth maps, proportional symbol maps, and pictograms — plus when each one is the "right tool for the job."
Written Material: extracting information from text sources (articles, leaflets, reports) and answering "describe / suggest" style questions using only what's given.
Photographs & Pictorial Material: describing what you can literally see (not what you infer), and drawing labelled field sketches.

1. Maps

Every Paper 2 exam includes a topographical map — it could be from anywhere in the world. It always comes with a key, a scale, and grid lines (northings and eastings). Almost every mark on the map questions depends on you using these three things correctly, so this is the single most "free marks if you know the method" part of the whole exam.

Grid References

Think of the map as a giant piece of graph paper. The numbers running along the bottom of the map are the eastings (they tell you how far east you are). The numbers running up the side are the northings (how far north you are). The golden rule for remembering the order is: "along the corridor, up the stairs" — read the easting first (walk along the bottom), then the northing (climb up the side).

4-Figure Grid Reference Take the easting line to the left of your point, then the northing line below your point. Read easting first, then northing. E.g. 17, 51

6-Figure Grid Reference Imagine each grid square is divided into 100 smaller squares (a 10×10 grid). Estimate how many tenths across (easting) and how many tenths up (northing) your point sits, and add that digit onto the 4-figure reference. E.g. 175, 512

Worked Example (from the textbook): What is the six-figure grid reference of the junction to the north of point B in Fig 1.1?
Answer: 017 517

Practice Q1: A point sits exactly on the easting line "42" and three-tenths of the way between northing "68" and "69". What is its 6-figure grid reference?

1 mark

Practice Q2: Explain why a 6-figure grid reference is more precise than a 4-figure one.

2 marks

Scale & Measuring Distance

IGCSE maps are almost always scaled at 1:25,000 (1 cm on the map = 250 m in real life) or 1:50,000 (1 cm = 500 m in real life). The number after the colon tells you how many real-world centimetres are "packed into" each centimetre on the paper — so a bigger second number means the map covers a much larger area in less detail.

Straight-line distances Use a ruler directly, or lay the straight edge of a piece of paper between the two points, mark it, then measure that mark against the scale bar.

Curved / winding routes (e.g. roads, rivers) pivot

Why this method works

Practice Q: On a 1:50,000 map, a road measures 8.4 cm using the paper-and-pivot method. What is the real-world distance?

2 marks

Bearings

Worked Example: 230°

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Also in the full note

2. Graphs & Diagrams
3. Written Material
4. Photographs & Pictorial Material
What to Memorise
Concepts Checklist
Exam Tips — Traps & What Examiners Want
Height & Topography
Cross-Sections

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Geographical Skills