Montessori's fifth great lesson is known as The Story of Mathematics, The Story of Numbers and/or The Story of Numerals. The story begins with the Stone Age system of body-counting and continues on to the decimal number system we use today all over the world and includes the contributions of Africa, Asia, Europe, and North America to our currently used decimal number system.This resource is very unique - it allows the user/learner to interact with 23 different high-quality images that include te