Editor: Johanna Debrecht, Northern Virginia CC
Assistant Editor: George Alexander, Madison Area Technical College
Production Manager: Anthony Piccolino, Palm Beach State College
Achievement in Flipped College Algebra and Precalculus:A Multiyear Study
Jennifer Clinkenbeard, Claremont Graduate University,
California State University Monterey Bay
The Imperative of Definition
David S. Dickerson and John J. Suarez, State University of New York College at Cortland
Pascal's Matrix in Zn
Tuyetdong Phan Yamada, California State University, Los Angeles
Using Congruent Triangles to Facilitate Optimization Problems
Benjamin Stick, The Roxbury Latin School and Amherst College
Marvin Stick, University of Massachusetts Lowell
Using Place Value to Add, Subtract, Multiply, and Divide Whole Numbers
Don Vander Klok, Lambton College
Introducing Hypothesis Testing with Simulations
Irina Timchenko, Piedmont Virginia Community College
Regular n-gons and Special Polynomials: A Short Note
Michael W. Ecker, Pennsylvania State UniversityWilkes Barre
Introducing Complex Numbers
David L. Farnsworth, Rochester Institute of Technology
Approximating Sinusoidal Functions with Interpolating Polynomials
Sheldon P. Gordon and Yajun Yang, Farmingdale State College
Take the Challenge
Sean Simpson, Westchester Community College, NY
Looking Back and Moving Forward: AMATYC Standards
Mary Beth Orrange, Erie Community College
Julie Phelps, Valencia College, East Campus
Nancy Sattler, Terra Community College and Walden University
