Title rated 4.25 out of 5 stars, based on 29 ratings(29 ratings)
Book, 2006
Current format, Book, 2006, , Available .
Book, 2006
Current format, Book, 2006, , Available . Offered in 0 more formats
When young Per visits her uncle Sir Cumference and his family, she learns how to play the game, "Inners and Edges." After she finds a clue linking the game to the mysterious castle on the island of Immeter, she must figure out how to find the perimeter and area of a circle to unlock the island's secret. Math skills taught include finding the area and perimeter of a rectangle and a circle. Introduces an underlying concept of calculus -- using straight lines to measure curves.
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