Ben Franklin and the Magic Squares: Step Into Reading 4 (Step Into Reading. Step 4) (Step Into Reading + Math: A Step 4 Book) (Step Into Reading + Math: A Step 3 Book)

by Frank Murphy

Richard Walz (Illustrator)

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Book cover for Ben Franklin and the Magic Squares

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A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the "magic square." A magic square is a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal! Teachers and kids will love finding out about this popular teaching tool that is still used in elementary schools today!
  • ISBN10 0375806210
  • ISBN13 9780375806216
  • Publish Date 27 February 2001 (first published 1 February 2001)
  • Publish Status Active
  • Out of Print 25 August 2014
  • Publish Country US
  • Imprint Random House USA Inc