# Kirthi Premadasa

### Kirthi Premadasa

Professor

UW-Baraboo/Sauk County

Mathematics

Umhoefer Bldg, A70

Kk

Office Hours / Schedule

Monday and Friday 10.00-11.00. Tuesday and Thursday 9.15-10.00

Classes Taught

MAT 113 Trig

MAT 109 Math Literacy and Algebra for College Students

MAT 222 Calculus 2

Curriculum Vitae

Publications

**Publications**

- (Submitted. Corrections requested) Samaranayake G, Premadasa, K. , Amarasinghe, R & Paneru K. (2017) “Teacher Change through Collaboration via Lesson Study”
*International Journal for Lesson and Learning Studies*Premadasa, K., Martin, P., Sprecher, B., Yang, L. R., Dodge, N. (2016). "The Soda Can Optimization Problem: Getting close to the real thing"*PRMUS Problems, Resources, and Issues in Mathematics Undergraduate Studies* - Premadasa, Bhatia,K. and Wijetunge T . “Using cellphones as virtual clickers in a math classroom”
*Electronic Journal of Mathematics and Technology*; October 2016 - Bhatia, Kavita, Kirthi Premadasa and Paul Martin “Teaching Integration Applications Using Manipulatives”
*PRIMUS: Problems, Resources & Issues in Mathematics Undergraduate Studies*; Jul 2014, Vol. 24 Issue 4, p335-346, 12p - Kirthi Premadasa. “SoTL as Sherwood Forest: A Review of the SoTL Commons Conference 2014” Teaching & Learning Inquiry: The ISSOTL Journal Vol. 2, No. 2 (2014), pp. 115-116.Published by: Indiana University Press
- Premadasa, K., & Bhatia,K. (2013). “Real life applications in mathematics: what do students prefer?”
*International Journal of Scholarship of Teaching and Learning*, July, 2013 - Premadasa, K.,& Samaranayake, G.(2012). “Using "1=2" to inspire and learn”.
*American Mathematical Association for Two Year Colleges Educator*May 2012. - Martin, P.,& Premadasa, K. (2011). "Student Project for Reducing Home Utility Costs".
*Journal of College Mathematics of the Mathematical Association of America*, March 2012) - Bhatia, K., & Premadasa, K. (2011). Using Think Alouds to Remove Bottlenecks in Mathematics.
*RUME XIV Conference Proceedings, Volume IV 2011*. - Martin ,P.,& Premadasa, K.(2010). Effective use of Wikis in college mathematics classes. Accepted for publication at the Journal of Systemics, Cybernetics and Informatics.
- Amarasinghe, R., & Premadasa, K. (2008). Conducting a mathematics professional development workshop across the world over video conference facilities.
*Proceedings of the Society for Information Technology & Teacher Education (SITE) International Conference*. - Kirthi Premadasa. “Uniqueness of Classifying Spaces: a methodical attack” Proceedings of the fifty fourth annual sessions of the Sri Lanka Association for the Advancement of Science - 1998
- Kirthi Premadasa. “On the self-homotopy equivalences of BO(n)” Proceedings of the fifty third annual sessions of the Sri Lanka Association for the Advancement of Science – 1998

**Books published**

- Premadasa, K. Amarasinghe, R. Vega, Advanced Algebra for Teachers. (2010). Published by
*University Readers*(This book is now adopted by California State University Fresno). - Amarasinghe, R & K. Premadasa.(2006). Lesson Study: To improve Teaching and Learning of Mathematics. Published by the
*Sabaragamuwa Provincial Council of Sri Lanka*. - Premadasa, K. (2007) Mathematical Mysteries that stirred the world. Published by the
*Wijesuriya Grantha Prakashana, Sri Lanka*. - Premadasa, K. (2007) History of Algebra through the equation. Published by the
*Wijesuriya Grantha Prakashana, Sri Lanka*. - Premadasa, K. (2006) One Equals Two. Now, how can that be? a collection of Mathematical fallacies for all ages. Published by the
*Department of Mathematics, University of Colombo*.

**Conference Presentations **

- (Accepted for presentation) Tharanga Wijetunge & Kirthi Premadasa. “How do students select questions in a math exam?” Presentation at the American Mathematical Society Meeting, San Diego, January 2018
- (Accepted for presentation) Kirthi Premadasa, Geetha Samaranayake, Rajee Amarasinghe & Kyam Paneru. “Does collaboration help create change in college teachers??” Presentation at the American Mathematical Society Meeting, San Diego, January 2018
- Kirthi Premadasa, “Intriguing integrals arising out of “impossible” ones”.". Presentation at the 2017 WISMATYC (Wisconsin Mathematical Association of Two Year Colleges) conference, Janesville, October 2017.
- Kirthi Premadasa, Kavita Bhatia & Geetha Samaranayake . " A College Lesson Study Experience in Mathematics" Presentation at the Lily conference , Anaheim, February 2017
- Geetha Samaranayake, Rajee Amarasinghe & Kirthi Premadasa . " Effects of Lesson Study on College Faculty & School Teachers" Presentation at the Lily conference , Anaheim, February 2017
- Kavita Bhatia & Kirthi Premadasa. Creating New Horizons for Developmental Mathematics through Math Literacy & Algebra " Presentation at the Lily conference , Anaheim, February 2017
- Kirthi Premadasa, “Effect of inverted classrooms on Polya’s steps on mathematical problem solving". Presentation at the 2016 conference of International Society of Scholarship of Teaching and learning (UW Colleges Summer grant 2013).
- Tharanga Wijetunge & Kirthi Premadasa. “Does process oriented student feedback help college math achievement?” Presentation at the SOTL commons conference, savannah, March 2016
- Kirthi Premadasa, Kavita Bhatia & Tharanga Wijetunge. “The dreaded word problem: What do students remember?” AMS/MAA Joint Sessions, San Antonio, January 2015.
- Kirthi Premadasa. "Calculus problem solving: can a flipped classroom help?" Presentation at the SOTL commons conference, savannah, March 2015
- Kirthi Premadasa “Bring Your Own Device”: Emerging Virtual Clicker Options and Pedagogy. Presentation at the annual meeting of the Mathematical Association of America’s Wisconsin Chapter, Ripon, April 2015.Kirthi Premadasa “Bring Your Own Device”: Emerging Virtual Clicker Options and Pedagogy. Presentation at the annual meeting of the Mathematical Association of America’s Wisconsin Chapter, Ripon, April 2015.
- Kirthi Premadasa, Ayar Musa and Mike Jacobs “Twitter Back channeling to enhance learning and engagement: A multi-disciplinary study” Presentation at the SOTL commons conference, savannah 2014.
- Kirthi Premadasa & Kavita Bhatia “A research based study on teaching and learning related rates” Presentation at the annual meeting of the Mathematical Association of America’s Wisconsin Chapter, Whitewater April 2014.
- Kirthi Premadasa “Using Flipped Classrooms to Enhance Performance in a Calculus II Classroom” Presentation at the UW Colleges Colloquium, Fond Du Lac 2014.
- Kirthi Premadasa “D2L and math formulae; Making friends” Presentation at the annual BrightSpace conference, Waukesha, November 2014.
- Kavita Bhatia, Ibrahim Saleh and Kirthi Premadasa “Concept maps for Calculus Concepts." ”Presentation at the 2013, ISSOTL conference, Raleigh, North Carolina, October 2013.
- Kirthi Premadasa & Kavita Bhatia “ What’s the matter with College Algebra” Presentation at the 2013 WISMATYC (Wisconsin Mathematical Association for Two Year Colleges) conference, Waukesha, September 2013.
- Kirthi Premadasa” Technology Tips for Efficient Instruction in Flipped or Flexed Classrooms” Presentation at the 2013 Annual Best Practices in Science, Technology, Engineering and Math teaching Conference, Baraboo, August 2013
- Premadasa Kirthi & Gregory Bard “Emerging technologies in Mathematics instructions” Panel at the annual meeting of the Mathematical Association of America’s Wisconsin Chapter, April 2013.
- Kirthi Premadasa, Kavita Bhatia, Clare Hemenway & Paul Martin “All in a Class Period: Using Lesson Study to Realize Learning Goals” Presentation at the 2013, OPID conference, Madison, April 2013
- Kirthi Premadasa and Kavita Bhatia, “Class, take your cell phones out: using cell phones for classroom voting” Presentation at the 2013, SOTL Commons conference, Georgia Southern University, Georgia, March 2013.
- Kirthi Premadasa & Kavita Bhatia, " Algebra in real life: what do students choose ?” Presentation at the January 2013 Joint Mathematics Meeting of AMS/MAA, San Diego, USA.
- Kavita Bhatia and Kirthi Premadasa, “Use of Think Alouds and Lesson Study to resolve Calculus bottlenecks”, Presentation at the 2012 conference of International Society of Scholarship of Teaching and learning, Toronto, Canada, October 2012.
- Kavita Bhatia and Kirthi Premadasa, “Calculus Blues: Unlocking mysteries in related rates”. Presentation at the 2011, SoTL Commons conference, Georgia Southern University, March 2012.
- Kavita Bhatia, Kirthi Premadasa and Paul Martin, “Use of Think Alouds and Lesson Study to Address Integral Calculus Bottlenecks”. Presentation at the annual meeting of the Mathematical Association of America’s Wisconsin chapter, April 2012.
- Kirthi Premadasa, “Making College Algebra real though modeling and peer collaboration”. Presentation at the 6th Annual Best Practices in STEM Teaching Conference, August 2012.
- Kirthi Premadasa, “Creating a twitter backchannel in the classroom for problem solving” Presentation at the annual meeting of the Wisconsin mathematical Association for Two year College’s meeting, 29 September 2012.
- Kirthi Premadasa, “A Learning Community in Algebra Connecting Student Classes” Presentation at the UW Colleges Colloquium, May 2012.Kirthi Premadasa, “Cell Phone as a Learning Tool: Back-Channeling, Classroom Voting, Computing and Visualization” Presentation at the UW Colleges Colloquium, May 2012.
- Kirthi Premadasa, Kavita Bhatia, Clare Hemenway and Paul Martin, "Using College Lesson Study to introduce discovery and real-life problem solving skills". Presentation at the 2011 conference of International Society of Scholarship of Teaching and learning.
- Kirthi Premadasa, Kavita Bhatia, "Calculus bottlenecks. Can a Polya rubric help? Presentation at the 2011 conference of the International Society of Scholarship of Teaching and Learning.
- Kirthi Premadasa, "Search for a Cure: Student Preference for Style and Focus of Math Word Problems" Presentation at the 2011 conference International Society of Scholarship of Teaching and Learning.
- Kavita Bhatia and Premadasa Kirthi, “Why can’t they Solve it?”Presentation at the 2011, SoTL Commons conference, Georgia Southern University, March 2011.
- Presented the poster "The Dreaded Word Problem: search for a cure" at the President's summit in Madison, WI as part of the Wisconsin teaching fellow program.
- Kirthi Premadasa, "Where do these functions come from?" Presentation at the 2011 Mathematical Association of America's Wisconsin chapter meeting, Stout, April 2011.
- Kirthi Premadasa & Paul Martin, “A Mathematical learning community with Excel Labs”. Presentation at the 2011 annual meeting of the Wisconsin Mathematical Association of two year colleges, Fond Du Lac, September 2011.
- Premadasa Kirthi, “A story time for Math.” Presentation at the 2010 SOTL Commons, Georgia Southern University, March 2010.
- Martin Paul, Kirthi Premadasa, Richard Shotwell and Thomas Eiden, “Calculating optimal attic insulation levels in attic spaces.”, Better Buildings, Better Business Conference, Wisconsin Dells, May 2010.
- Martin Paul and Kirthi Premadasa "Effective use of Wikis in College Mathematics Classes." Paper at the International Conference on Education, Training and Informatics: ICETI 2010,Orlando Florida, April 2010.
- Martin Paul, Kirthi Premadasa, Richard Shotwell and Thomas Eiden, "Optimizing Attic Insulation levels." Invited poster at the Posters in the Rotunda, Madison Wisconsin, May 2010.
- Premadasa Kirthi “Wikis in Mathematics Dos and Don'ts.” Presentation at the Mathematical Association of America (Wisconsin Chapter)’s annual meeting, Oshkosh WI, April 2010.
- Bhatia Kavita, Kirthi Premadasa. “Using Think Alouds to remove Bottlenecks in Mathematics.” Presentation at the annual meeting of WisMATYC (Wisconsin Mathematical Association of Two-Year Colleges), Wausau, WI, September 2010.
- Premadasa Kirthi. "Multiple Credit Card Debt? Math can help", Annual WISMATYC Conference, MATC, September 2010.
- Premadasa Kirthi, “How to give a Math D2L Quiz". Mathematics Department's Teaching Seminar, Wisline, October 2009.
- Premadasa Kirthi, "Teaching Calculus through real-world applications. " UW Colleges Colloquium, Fox Valley, WI, May 2009.
- Premadasa Kirthi and Geetha Samranyake, "Using Fallacies to correct common student mistakes." MAA Wisconsin Chapter annual meeting, UW-La Crosse, WI, April 2009.
- Evangelist Fe, G. Samaranayake, J. Lettlier and K. Premadasa, "Lesson Study on the SARS Epidemic". MAA Wisconsin Chapter annual meeting, UW-La Crosse, WI, April 2009.
- Premadasa Kirthi, "Inspiring College Algebra students Through lesson Study" . International Lesson Study Conference, Chicago, April 2009.
- Premadasa Kirthi, "Mathematics Lesson Study as a tool to inspire college students." Annual WISMATYC (Wisconsin Mathematics Association for Two Year Colleges) conference, Sheboygon, WI, September 2008.
- R. Amarasinghe, K. Premadasa, “Using lesson Study to develop strategies to close the achievement gap and intervention.”. Conference for the Advancement for Mathematics Teaching (CAMT), Dallas Texas, July 2008.
- Premadasa Kirthi, “Making the Epsilon-Delta definition fun to learn.", MAA Wisconsin Chapter annual meeting, MATC, WI, April 2008.
- Evangelist Fe, G. Samaranayake, J. Letellier and K. Premadasa, “Lesson Study at the College Level: Just Do It." Lesson Study Conference, Chicago IL, May 2008.
- R. Amarasinghe, K. Premadasa, “Encouraging teachers to conduct lesson studies. A Californian and an International Experience”, International Lesson Study Conference, Chicago IL, May 2008.

Education

PhD, Purdue University (Alegebraic Topology)

MS, Purdue University (Pure Mathematics)

BSc (1st Class Honors in Mathematics),University of Colombo, Sri Lanka

Recent Awards and Recognitions

- University of Wisconsin System’s The Alliant Energy Underkofler Excellence in Teaching Award 2013 (Selected from among a number of UW four year and Two year campuses including UW-Madison in all disciplines)
- University of Wisconsin Colleges Chancellor Award for Teaching Excellence 2012 (Given to a single individual selected from among all 13 campuses of the UW Colleges and all disciplines).
- Earned Exceptionally Meritorious ranking both in the UW-Colleges Department of Mathematics Merit evaluations and Campus Merit Evaluations,
**every single year**from 2010 to 2016. - I have maintained an above 4.0 (Excellent) ranking in the “Overall Teacher” question, in student evaluations in
**every semester**for the past 10 years, dropping below 4.5 only twice. - Arthur M Kaplan Award (Excellence in service and teaching) winner 2016 (UW-Baraboo/Sauk County)
- Arthur M Kaplan Award (Excellence in service and teaching) winner 2010 (UW-Marathon County)
- Teacher Appreciation Award (PTK Chapter UW-Baraboo/Sauk County,2016)
- Teacher Appreciation Award (PTK Chapter UW-Baraboo/Sauk County,2015)