Who was Martin Gardner?
- The Nature of Things / Martin Gardner: Video interview
- Martin Gardner, Puzzler and Polymath, Dies at 95: NY Times obituary
- Martin Gardner: Wikipedia entry
Activities & Puzzles
- Three Visual Treats: Three "simple" puzzles to start the day.
- Martin Gardner at Puzzle Playground: Puzzles for all ages designed by or based on Gardner's work.
- Seven Puzzles You Think You Must Not Have Heard Correctly (pdf): Seven thoughtful logic puzzles, with solutions
- Mathematically Correct Breakfast: Steps to slicing a bagel into two linked halves
- How to Make a Hexaflexagon: Instructions on how to fold a strip of paper so it will "flex." (see video below)
- Hexaflexagon Toolkit: Templates for creating a hexaflexagon. Links to a tool where you can import your own images to print on the template.
- Alice & Cheshire Cats Vanish (pdf): Cut out activity based on Alice of Wonderland characters.
- Recreational Math Problems: Series of logic puzzles
- Brain Boosters: Discover Education teacher resource lists many links to puzzles. Organized by categories: Categorization, Lateral Thinking, Logic, Number and Math Play, Reasoning, Spatial Awareness, Word and Letter Play
Watch This
"October 21st is Martin Gardner's birthday, which is why every October the recreational mathematics community celebrates his life and work. This year we're having hexaflexagon parties."
