Explorers in North America
Solving Addition and Subtraction Problems Using Timelines
This book introduces basic addition and subtraction problems through the chronological overview of exploration in North America. Includes artifacts such as an excerpt from Champlain's book about his voyage, in addition to an early map of New Amsterdam.
* Reviews *
Book Review--"Excellent book for finding supplemental information about an early explorer. Recommended."
--San Diego City Schools