Brainlag Learn / GCSE Maths

Constructions, loci and bearings

Three-figure bearings, scale drawings and maps, ruler-and-compass constructions, and loci: sets of points that follow a rule.

Lessons

BearingsMeasure directions clockwise from north as three figures, find back bearings, and follow turns. 25 min, free
Scale drawings and mapsConvert between map or plan lengths and real lengths, write scales as ratios, and use them for areas and times. 20 min, free
ConstructionsThe ruler-and-compass constructions, what each one gives, and when a triangle can be drawn at all. 20 min, with the Graphing Calculator, Plus
LociA locus is every point that follows a rule. Describe loci, combine them, and work out lengths and areas of regions. 25 min, Plus

Practise and test

Question bank40 exam-style question types with mark schemes and worked solutions. 19 are free.
Topic test16 questions, 39 marks, 40 minutes, marked with a grade estimate. Plus.

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