April 14 of the Mystery Year was the birthday of Anne Sullivan, teacher of Helen Keller. The clues for finding the year involve braille math symbols, square root, surface area of a cube, power of a number, and divisibility. Helen Keller was both blind and deaf, but Anne Sullivan became known as "The Miracle Worker" for her amazing work with Helen through much of Helen's life.Your Zip download includes printable/digital PDFs:1-page printable Student Puzzle, also prepped for Easel1-page Answer Key