Posts tagged with ‘Sonya’

  • Sonya’s Machine

    A new challenge in 6 levels! Sonya invented a machine that chooses a rule and applies it to all the…

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  • A Little Train Chugs Along

    A new puzzle to solve! It has been a while since Sonya challenged you with one of her little puzzles.…

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  • The Kingdom of Mathlantis

    A new mathematical challenge from Sonya Once upon a time, in the distant past, Mathlantis was a kingdom in which…

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  • Numerical Logic

    The first challenge of the year! Sonya is celebrating the new year by challenging you with a math puzzle that…

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  • O Christmas Tree!

    Challenge your family with Sonya’s new puzzle Sonya knows that digesting the Christmas meal can leave you a little numb.…

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