HeyJaredFiddler on the Proof
The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!
- Indexed issues, last 90 days
- 12
- Latest publication
- Sep 25, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 3, 2026
Latest issues
Can You Frame the Triangle? (opens the original)
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Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.Every Friday morning, I present mathematical puzzles intended to challenge and delight you. Most can be solved with careful thought, pencil and paper, and the aid of a calculator. The “Extra Credit” is where the analysis typically gets hairy, or where you might turn to a computer for assistance.I’ll also give a shoutout to 🎻 one lucky winner 🎻 of the previous week’s puzzle, chosen randomly from among
Can You Swap the Cups? (opens the original)
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Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.Every Friday morning, I present mathematical puzzles intended to challenge and delight you. Most can be solved with careful thought, pencil and paper, and the aid of a calculator. The “Extra Credit” is where the analysis typically gets hairy, or where you might turn to a computer for assistance.I’ll also give a shoutout to 🎻 one lucky winner 🎻 of the previous week’s puzz
Can You Cheat on the Quiz? (opens the original)
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Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.Every Friday morning, I present mathematical puzzles intended to challenge and delight you. Most can be solved with careful thought, pencil and paper, and the aid of a calculator. The “Extra Credit” is where the analysis typically gets hairy, or where you might turn to a computer for assistance.I’ll also give a shoutout to 🎻 one lucky winner 🎻 of the previous week’s puzz
Can You Win at Asymmetric Bingo? (opens the original)
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Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.Every Friday morning, I present mathematical puzzles intended to challenge and delight you. Most can be solved with careful thought, pencil and paper, and the aid of a calculator. The “Extra Credit” is where the analysis typically gets hairy, or where you might turn to a computer for assistance.I’ll also give a shoutout to 🎻 one lucky winner 🎻 of the previous week’s puzz
Can You Spell Like a Queen Bee? (opens the original)
Read excerpt
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.Every Friday morning, I present mathematical puzzles intended to challenge and delight you. Most can be solved with careful thought, pencil and paper, and the aid of a calculator. The “Extra Credit” is where the analysis typically gets hairy, or where you might turn to a computer for assistance.I’ll also give a shoutout to 🎻 one lucky winner 🎻 of the previous week’s puzz
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