After reading a story about a supermarket, students examine the change in supermarket jobs due to the advances in technology. Students observe two demonstrations. One simulates the checkout process at a grocery store using a cash register, and the other uses scanners that are in stores today. Students conclude which method is faster and more accurate and why.
(Book written by Kathleen Krull / ISBN: 0-8234-1546-5 / This book is in print and available.)
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