Uncle Bob's Puzzle Corner
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Free Stuff Sample Issue: word, logic, and number conundrums Sundry Puzzles: not to be confused with the Sunday puzzle M.C. Escher and Islamic Design: a talk for Hartford, VT H.S.
Lower Level: arithmetic and middle grades math. Upper Level: high school math, geometry, logic. The Isogrid Gallery: staying between the dots The Penrose Wolf (requires Flash Player, a free download from Macromedia) |
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Last updated
May 10, 2010
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