1.
Elementary School Mathematics and how to Teach It - Eugene Douglas Nichols - Hardcover
by Nichols, Eugene D., Behr, M...
ISBN: 9780030064517
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Fundamentals of Elementary Mathematics: Number Systems and Algebra
by Behr, Merlyn J., Jungst, Da...
ISBN: 9780120847501
List Price: $17.50
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Number Concepts and Operations in the Middle Grades
by Behr, Merlyn, Hiebert, J.
ISBN: 9780805803532
List Price: $59.95
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Fundamentals of Elementary Mathematics : Number Systems and Algebra
by Behr, Merlyn J., Jungst, Da...
ISBN: 9780120847563
List Price: $2.00