← 4.1 Map Reading and Interpretation
Area of irregular shapes on a map
Social Studies · Grade 8 · about 40 minutes
Count full grid squares and take half of the incomplete ones. On 1:50 000, a 1 cm square is 0.25 km squared.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Why we read topographic maps
- Marginal information on a map
- Compass directions on a map
- Types and uses of map scale
- Converting map scales
- Measuring distances on a topographic map
- Area of regular shapes on a map
- Area of irregular shapes on a map
- Relief on topographic maps
- Drainage features on topographic maps
- Vegetation and human symbols on maps
- Critical thinking and maps in daily life