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Can you solve the river crossing riddle? - Lisa Winer

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TEDEd Animation

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As a wildfire rages through the grasslands, three lions and three wildebeest flee for their lives. To escape the inferno, they must cross over to the left bank of a crocodile-infested river. Can you help them figure out how to get across on the one raft available without losing any lives? Lisa Winer shows how.

WatchThink 6 Multiple Choice &
3 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
1 Open Discussion
After two lions are on the left, the third lion rafts back (fourth crossing). Which animals raft now from the right side of the river back to the left (fifth crossing)?

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Lisa Winer
  • Director Outis
  • Script Editor Alex Gendler
  • Narrator Addison Anderson

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