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The Kid Should See This

Can you solve the feeding frenzy riddle?

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“As Numberland’s best detective, you thought you’d seen it all. But the desiccated corpses of prominent natural numbers have been showing up all over the city. A lockdown is ordered from sundown to sunrise, and it’s still not enough to stop what can only be described as a vampiric feeding frenzy.”

Why are the citizens of Numberland being attacked? What are slime numbers? Why are some digits untouched? And can you catch the vampire by figuring out which numbers are immune?

vampire
the problem
Solve this two-part math mystery, a TED-Ed feeding frenzy riddle by math educator Henri Picciotto. The animated challenge was directed by Igor Coric, Artrake Studio.

solving the mystery
Watch these riddles next:
Can you solve the locker riddle?
Can you solve the fish riddle?
• Mental Logs number sticks, a math magic trick
• The Graceful Tree Problem

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