Navigating through number and operations in grades 9-12
著者
書誌事項
Navigating through number and operations in grades 9-12
（Principles and standards for school mathematics navigations series）
National Council of Teachers of Mathematics, c2006
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注記
Includes bibliographical references (p. 170-171)
内容説明・目次
内容説明
This book's activities probe rational and irrational numbers and investigate properties of integers and complex numbers. They explore numbers and operations embedded in physical objects and show how simple problems can lead to sophisticated considerations. Students examine the usefulness of irrational numbers in designing musical scales and of prime numbers in devising encryption schemes, for example, and they discover powerful ideas from graph theory in a concrete context of dikes, towers and enclosed regions. The supplemental CD-ROM features interactive electronic activities, master copies of activity pages for students and additional readings for teachers.
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