Ratio & proportionPuzzle

Code breaker:Map scales

Thirteen map and plan distances: 1 cm represents so many kilometres first, then ratio scales like 1 : 50 000, then working out the scale from a pair of distances. The Code Box includes the answers you get by dividing instead of multiplying or stopping at metres. Two per A4.

A free key stage 3 and GCSE ratio and proportion puzzle with answers, spec code R2. It goes with the lessons on map scales and map scales: measuring.

Puzzle

Code breaker:Map scales

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Map scalesThe Maths Habit

Lesson

Map scales

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Map scales:MeasuringThe Maths Habit

Lesson

Map scales:Measuring

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