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Ireland: choose your country
Sixth Class maths · A.10 · Ratios

Map scale problems

Use the scale to change a map length into a real distance or the other way round.

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  1. A map uses a scale of 1 cm to 5 km. A road measures 3 cm on the map. How long is the road in real life?

    Answer: 15 km

  2. A map uses a scale of 4 cm to 50 km. A road measures 16 cm on the map. How long is the road in real life?

    Answer: 200 km

  3. A map uses a scale of 2 cm to 2 km. A road measures 6 cm on the map. How long is the road in real life?

    Answer: 6 km

Tip: Use the scale to change a map length into a real distance or the other way round.

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