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Changes over Time Graphs (Investigations in number, data, and space)(Grade 4, 5, 6)
by Cornelia C. Tierney
ISBN: 9781572327504
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Mathematical Thinking at Grade 4: Introduction - Cornelia Tierney - Paperback
by Tierney, Cornelia, Samii, P...
ISBN: 9780866518093
List Price: $22.95