My CV
Recent Publications.
●   The book titled “One Equals Two. Now, how can that be?”
A collection of Mathematical fallacies for all ages.
Published by: Department of Mathematics, University of Colombo
●   The book titled “Lesson Study: To improve Teaching and Learning of Mathematics”
(Written jointly by myself and Dr. Rajee Amarasinghe, Assistant Professor, California State University and published by the Sabaragamuwa Provinicial Council of Sri Lanka).
●   The book titled “Mathematical Mysteries that stirred the world”
(Book written in the Sinhala language) (Published by the Wijesuriya Grantha Prakashana)
●   The book titled “History of Algebra through the equation”
(Book written in the Sinhala language) (Published by the Wijesuriya Grantha Prakashana)
●   Peer reviewed conference paper
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, March 2008, Las Vegas, Nevada.
●   Conference Presentations
   
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Amarasinghe, R. & Premadasa K. (2007). “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 (Accepted).
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Premadasa K (2008). “Making the Epsilon-Delta definition fun to learn”. Annual Wisconsin Section MAA meeting (Accepted).
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Evangelista F, Lettelier J, Samaranayake G, Premadasa K (2008). “Lesson Study at the College Level: Just Do It!”. A presentation on a Pre Calculus lesson Study Activity based on the spread of diseases, conducted at UWW. Submitted to the 7th Annual Lesson Study Conference, Chicago IL.
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Amarasinghe, R & Premadasa K (2008). “Encouraging teachers to conduct lesson studies. A Californian and an International Experience”. Submitted to the 7th Annual Lesson Study Conference, Chicago IL.
●   The book titled “The Art of Facing Interviews”
(Book written in both Sinhala and English languages) (Published by the Rotary Club of Colombo Down Town).
●   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
     
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