Math and Geometry Lessons from 'Sir Cumference' Books by Cindy Neuschwander Cindy Neuschwander writes math math books for children. With Wayne Geehan illustrating, Neuschwander has given us books about Sir Cumference, Lady Di of Ameter and Radius their son who solve math and geometry puzzles and medieval mysteries. Read MoreFree printable Sir Cumference' Books activities for Pi Day, Math and Geometry
Math and Geometry Lessons from 'Sir Cumference' Books by Cindy Neuschwander Cindy Neuschwander writes math math books for children. With Wayne Geehan illustrating, Neuschwander has given us books about Sir Cumference, Lady Di of Ameter and Radius their son who solve math and geometry puzzles and medieval mysteries. Read More
Math and Geometry Lessons from 'Sir Cumference' Books by Cindy Neuschwander Cindy Neuschwander writes math math books for children. With Wayne Geehan illustrating, Neuschwander has given us books about Sir Cumference, Lady Di of Ameter and Radius their son who solve math and geometry puzzles and medieval mysteries. 
