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World 3 · The True Size of Countries · 8 min · PRO

The map in your pocket

Web Mercator and map tiles

PRO · Map Lab

World 3: The True Size of Countries is part of PRO

The first world of Map Lab is free. PRO opens the other 24 lessons in 6 worlds — simulations, quizzes and all.

  • Drag Greenland to the equator
  • The orange-peel theorem
  • Choosing the right map
  • Satellites that shout the time
  • Trilateration
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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