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Start with 100 dice. Roll them and remove all the sixes. Repeat until there are 25 or less dice left. How many rounds will this take? Learn more about exploring this idea with students in this Polypad Pointer video:

Mathigon

37,594 subscribers

36,949 views • 3 years ago •via X (Twitter)

Anya Rossi• Live Now

Private livecam show

4 Comments

Chuck Martin +Bluesky/Spoutible🇺🇸🏳️‍🌈🇺🇦3 years ago

25 or fewer

Richard3 years ago

9

Aldo Ricci3 years ago

8 rolls

Ces Mulder3 years ago

(5/6)^n * 100 < 25 which if you solve with logarithms leads to n = 8

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