The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 156 | Founded | 3 years ago | Last Issue | 7 days ago |
| Active | |||||
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Can You Tile the Hexagon?
My kitchen floor is made up of many equilateral triangles. How many distinct ways can I tile it using rhombuses that are composed of two such triangles?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Ridd...
Can You Fix the Random Number Generator?
I suspect that my calculator’s random number generator is malfunctioning. After it produces one number, what can I surmise regarding its behavior?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler co...
Can You Catch the Longest Wave?
A big wave makes landfall on a semicircular island and leaves the island 10 minutes later. What stretch of land might it cover 5 minutes after landfall?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Ridd...
Can You Infer the Color of Your Hat?
Three game show contestants must use logic to determine the color the hat on their head.
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.
Can You Spot the Sheep?
Some sheep are positioned and oriented randomly in a pen. What’s the probability that each sheep can see all the other sheep?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.
Key Facts
Audience Metrics
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| Subscribers | Engagement | 76 | Monthly Web Visits | ||
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| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Former Puzzle Editor @FiveThirtyEight; VP STEM @Amplify; Co-Founder @SchoolYourself
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