🧮 Advanced Math Brain Teasers 

A curated collection of classic mathematical logic puzzles from Henry Ernest Dudeney (1917). Public domain. Perfect for enrichment, problem-solving, and classroom challenge.

💰 Money & Logic

• Millionaire
• Change
• Cattle
• Grocer

👪 Ages & Relationships

• Husband
• Family
• Tommy
• Timpkin
• Census
• Mother
• Pedigree
• Marmaduke
• Rover
• Tube
• Neighbours
• Nuts
• Party
• Mary
• Poser
• Relationships

⏳ Time & Clocks

• Rackbrane
• Time
• Simpleton
• Places
• Stop Watch
• Club
• Railway
• Watch
• Wharf
• Three Clocks
• Tick Tock

🏇 Speed & Motion

• Average
• Tudor
• Hydroplane
• Potatoes
• Three Villages
• Pension
• Two Trains
• Passenger
• Donkey

🔢 Number & Digital Logic

• Digits
• Lockers
• Beer
• Lucky Number
• Pierrot
• Nine Counters
• Checks
• Odd
• Book Math
• Four Sevens
• Dice
• Alphametics

🔥 Math Nerds Only

• Spot
• Pearls
• Fence
• Circling The Squares
• Dutchmen's Wives
• Scramble
• Farmer's Sheep
• Sculptor
• Spanish Miser
• Torn Number
• Artillerymen

📐 Geometry & Dissection

• Easy
• Mitre
• Star
• Fences
• Square
• Joiner
• Four Sons
• Farmer
• Goat
• Wheels
• Spiral
• Crescent
• Papa
• Milkmaid
• Wall
• Cisterns
• Ball
• Garden
• Cones
• Estates
• Belinda
• Matches
• Table Top and Stools
• Wizard's Cat
• Wood
• Cut Out
• Monad
• Paper Box
• Pudding
• Buns
• Hearth Rug
• Veneer
• Potato
• Chocolate
• Horseshoes
• Pentagon
• Triangle
• Cardboard Chain
• Seven Pigs

♟️ Movement & Strategy

• Six Frogs
• Grasshoppers
• Educated Frogs
• Letter Block
• Reversals
• Nine Almonds
• Exchange
• Mix The Tiles
• Garage
• Twelve Pennies
• Torpedo Practice
• Apartment
• Plates and Coins
• Hats
• Twickenham
• Railway Engines
• Solitaire Board
• Catch The Mice
• Children
• Victoria Cross
• Intersections
• Ten Apples
• Cheesemonger
• Jam Pots
• Prisoners

🗺️ Roads, Routes & Travel

• Tube Railways
• Traveller
• Grand Tour
• Diamonds
• Towns
• Motorists
• Deified
• Bank Holiday
• Voters
• Mine Inspection
• Hannah
• Sailor
• Levels
• Honeycomb
• Monk and Bridges
• Zoom Zoom

🧠 Groups & Combinatorics

• Card Players
• Eight Villas
• Glass Balls
• Dormitory
• Cross Target
• Tennis
• Barrels of Balsam
• Mouse Trap
• Paint A Pyramid
• Antiquary's Chain
• Sixteen Sheep
• Dominoes
• Postage Stamps

♞ Chessboard Logic

• Lions & Crowns
• Grand Lama
• Abbot’s Window

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