Watch Sandburg's Arithmetic (2000) : Full Movie Online Free "Arithmetic is where numbers fly like pigeons in and out of your head." So begins Carl Sandburg's whimsical poem, read here by the author, and brought to life by Lynn Smith's delicate and colorful animation. Chockfull of birds and other animal life, this charming film explores the role that numbers play in our lives, while providing a memorable encounter with America's best-loved poet.