About Course
Use ratio scales such as 1:25 000 and 1:50 000 to turn map distances into real distances and back again, and give four- and six-figure grid references accurately. Practical maths for Functional Skills (scales on maps and drawings) and GCSE ratio, using Ordnance Survey maps as the example.
Tutwoo is an independent learning provider. This course supports Functional Skills and GCSE Maths revision in England. It is not produced or endorsed by Ordnance Survey or any awarding body and is not an accredited qualification. Always carry a paper map and check conditions before walking in remote areas.
© 2026 Tutwoo UK Limited. This course was created in-house by Tutwoo and is our original work. It is for your own learning only: please do not copy, share, record or resell it.
Course Content
Course Lessons
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What a ratio scale means
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Map distance to real distance, and back
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Measuring routes and estimating time
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Four- and six-figure grid references
Sources & Further Reading
Final Assessment
Student Ratings & Reviews
