Kerri O’Donnell 
California Gold Rush [PDF ebook] 
Multiplying and Dividing Using Three- and Four-Digit Numbers

This paperback journey instructs students on how to multiply and divide using three- and four-digit numbers using the historical context of the California Gold Rush. Includes scanned maps, voyage schedules, and other historical documents. Students will learn to solve multiplication and division problems that will ask questions such, " How many months it would take to cross the Oregon trail?" and "How much did miners need to pay for yearly permits?"