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Elizabeth Stapel's Resumé

Teaching Experience

Western International University, Phoenix, Arizona

  • October 1997 through June 2006: teaching prealgebra, algebra, and business math to students of diverse backgrounds in a business environment.
  • Winter 2003 through Spring 2004: helped design an introductory proseminar that provides entering students with information and encouragement regarding college success.
  • 12 June 1999: helped lead a faculty study group on the subject of effective lecturing.

Chandler-Gilbert Community College, Chandler, Arizona

  • Spring and Fall 1999, Spring 2000 semesters: teaching algebra

South Mountain Community College, Phoenix, Arizona

  • Spring and Summer 1996, Fall 1997, Fall 1998, and Spring 1999 semesters: teaching high school students in a collaborative pilot algebra program; teaching elementary algebra classes; teaching/piloting a reform calculus class.

Arizona State University, Tempe, Arizona

  • Spring 1996 semester: teaching elementary algebra and elementary linear algebra; assisting department's book-search committee in choosing a new algebra text.

Simply Mathematics Tutoring, Ballwin, Missouri

  • February 1995 to June 1995: tutoring middle school, high school, and college students in various areas of mathematics.

Saint Louis University, Saint Louis, Missouri

  • Fall 1994 semester: teaching an evening calculus course for non-traditional, multi-cultural students.

St. Louis Community College of Florissant Valley, Saint Louis, Missouri

  • Fall 1994 semester: teaching non-traditional, multi-cultural students in remedial arithmetic and beginning algebra.

Southwestern Bell Telephone and Florissant Valley Community College, Saint Louis, Missouri

  • August 1994: teaching a weekend algebra review session for Southwestern Bell employees, preparing them for a college-administered placement exam (a sufficient score on the exam entered students in a special study program, leading to a promotion within the company).

Sylvan Learning Center, Creve Coeur, Missouri

  • April 1994 to July 1994: tutoring students of all school grades and of all abilities in Reading, Mathematics, Study Skills, and ACT Prep Programs.

Washington University, Saint Louis, Missouri

  • August 1992 to May 1994: leading weekly supplementary calculus help sessions, grading quizzes; collecting and assessing student feedback and opinion.
  • Fall 1993 semester: leading supplementary calculus help-sessions in student dorms.

Wright State University, Dayton, Ohio

  • August 1991 to June 1992: teaching precalculus algebra students; staffing Math Help Room.
  • August 1990 to June 1991: proctoring (group tutoring and teaching) for an innovative self-study remedial math program.
  • March 1990 to August 1991: grading homework for math department; proctoring tests; assisting in developing a departmental homework grading policy.
  • Summer 1990 quarter: staffing Math Help Room: assisting students in all classes through calculus.
  • January 1989 to March 1990: working for the University Tutoring Division: tutoring all lower-level math classes and all classifications of students, including disabled and LD.

Educational History

Mesa Community College, Mesa, Arizona
  Fall 1996 semester: a course for teachers in community colleges

Washington University, Saint Louis, Missouri
  August 1994 to December 1994: courses geared toward a teaching degree; GPA: 3.92/4.00

Meramec Community College, Saint Louis, Missouri
  Interim and Summer, 1994: courses for Missouri teacher certification; GPA: 4.00/4.00

Washington University, Saint Louis, Missouri
  August 1992 to May 1994: M.A., Mathematics; GPA: 3.36/4.00

Wright State University, Dayton, Ohio
  August 1991 to June 1992: B.S., Mathematics, summa cum laude; GPA: 3.922/4.000
  January 1988 to June 1991: graduate study, teaching experience; GPA: 4.000/4.000

Honors / Publications / Etc.

  • "Purplemath" site chosen as one of's top three "Best Educational Websites for Algebra", February 2012
  • "Purplemath" site awarded third place in She Knows national poll, October 2010
  • "Purplemath" lesson referenced in The New York Times, August 2010
  • "Purplemath" added to Schoolzone's webguide of recommended sites, January 2009
  • "Purplemath" was included in's "Top 100" Web sites list, January 2008
  • "Purplemath" was a featured "Web Byte" in the NCTM news bulletin, September 2006
  • "Purplemath" was included in the listing of "Net Goodies" in the NADE "Math SPIN News" journal, January 2006
  • "Purplemath" was included in T.H.E. Journal's listing of General Math Resources, July 2005
  • "Purplemath" was listed as a TechLearning "Site of the Day", February 2005
  • "Purplemath" was featured in the Webwatch column in The Telegraph newspaper of Calcutta, India, 16 February 2005
  • "Purplemath" was added to EEVL's Mathematics listings, February 2005
  • "Purplemath" was added to's "Top 100" Web Sites list, September 2004
  • "Purplemath" was rated by Education World as an "A+" site, October 2003
  • "Purplemath" added to the Internet Scout Report's archive of educational resources, June 2003
  • "Purplemath" was included in the Eisenhower National Clearinghouse's Digital Dozen, April 2003
  • "Purplemath" added to Kathy Schrock's Guide for Educators, April 2003
  • "Purplemath" web site was listed as a Links2Learning "Premier Page", April 2002.
  • "Purplemath" was selected as an Education Planet "Top Math Site", February 2002.
  • "Purplemath" listed as a PBS "Recommended Site", January 2002.
  • "Purplemath" mentioned in a Wall Street Journal article titled "Homework Help Online", November 2001.
  • "Purplemath was chosen as a Learning in Motion "Top Ten Selection", October 2001.
  • "Purplemath" was an Internet Web Guide Magazine "Molecule of the Month" site, May 2001.
  • "Purplemath" was placed on the "Top20" list for algebra, September 2000.
  • "Purplemath" was the Math Goodies newsletter "Site of the Month", August 2000.
  • Received the "Web Site Excellence Award" from The School Page for the "Purplemath" web site, March 2000.
  • Was nominated by Florissant Valley Community College students for a departmental award recognizing excellence in teaching.
  • Published "Steps to Better Homework" in the Tips for Beginners column of the National Council of Teachers of Mathematic's Mathematics Teacher magazine (March 1993 issue). The article discussed assessment techniques, writing requirements, reasoning skills, and student feedback.
  • Developed a program for grading undergraduate mathematics homework, following the philosophy established in my above article, and demonstrated that high standards, introduced early, can have beneficial effects on students' study habits.
  • Represented Wright State University students at a conference with Erich Bloch (director, National Science Foundation) during Wright State University's 25th Anniversary Lecture Series.
  • Cited in Who's Who in American Education, Fifth Edition.

In addition, Purplemath has been listed as an online resource in such books as Cliffs Quick Review: Algebra II.

Personal notes...



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