The Secret Life of Math: Discover How (And Why) Numbers Have Survived From The Cave Dwellers To Us! (A Williamson's Kids Can! Book)

This book is suitable for ages 9 to 12 years. You can discover the relationship between maths and people`s needs, and how these needs have continually pushed people the word over to come up with very similar solutions to keep track of things, measuring time, and distance, and calculating numbers.