Bill Speer
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MAGIC SQUARES An Activity for Middle and Upper Grades
Elaine V. Alton and Joseph E. Kuczkowski
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CONSTRUCTIVE EXPERIENCES WITH DECIMALS
T. E. Kieren
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CONSTRUCTIVE RATIONAL NUMBER TASKS
T. E. Kieren
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THE PRODUCT OF SIGNED NUMBERS: Dissection of an Unmotivated Proof
Stephen I. Brown
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Delta-K Volume 18 Issue 2
Full Issue | Delta-K
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Notes from around Canada
E. J. Barbeau, Editor
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Using Calculators to Teach Trigonometry
Walter Szetela and Robert Campbell
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Kids ‘n Calculators
Dick Holmes and Bev Hubert
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Do It the Easy Way
David Morgan