Description
When young Per visits her uncle Sir Cumference and his circle of relatives, she learns how one can play the sport, “Inners and Edges.” After she finds a clue linking the sport to the mysterious castle at the island of Immeter, she should figure out how one can in finding the fringe and area of a circle to release the island’s secret.
Math skills taught include finding the world and perimeter of a rectangle and a circle. Introduces an underlying concept of calculus — the usage of straight lines to measure curves.