Full Issue | Delta-K
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Essential Mathematics for the 21st Century
The National Council of Supervisors of Mathematics
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From Theory into Practice
Barbara J. Morrison
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Some More on the Formulation of Mathematical Problems
John G. Heuver
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Mathematical Modeling Using Spreadsheets
J. Dale Burnett
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Psychology in Teaching Mathematics
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