Marlow Ediger
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Building a Bird Feeder Station
A. Craig Loewen
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Activities on the Natural Number Triangle: Sums and Quotients
Bonnie H. Litwiller and David R. Duncan
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Applying a Fundamental Property of Integration
Sandra M. Pulver
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Mathemagical Sub-terfuge
Stephen Forrester
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Student Problem Corner
John B. Percevault
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Research Clip: Teaching Mathematical Problem Solving to Primary School Children
Supplied by the National Council of Teachers of Mathematics
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Delta-K Volume 27 Issue 3
Full Issue | Delta-K
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Counting It Twice
Doris Schattschneider
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The Psycho-Aesthetics of Combinatorial Sets
Kathy Jones