Masataka Koyama

Last Updated :2024/03/04

Affiliations, Positions
Graduate School of Humanities and Social Sciences, Professor
Web Site
E-mail
mkoyamahiroshima-u.ac.jp
Other Contact Details
1-1-1 KAGAMIYAMA, HIGASHIHIROSHIMA 739-8524 JAPAN, Japan
TEL : (+81)82-424-6805 FAX : (+81)82-424-3463
Self-introduction
Masataka Koyama is a professor of mathematics education at Hiroshima University in Japan. His research includes students' mathematical understanding, international comparative study on students' mathematical attainments, mathematics teachers' professional development, and school mathematics curricula and textbooks for primary and secondary schools.

Basic Information

Major Professional Backgrounds

  • 1986/08/01, 1991/03/31, Hyogo University of Teacher Education, Faculty of School Education, Assistant Professor
  • 1991/04/01, 1995/03/31, Hiroshima University, Faculty of Education, Lecturer
  • 1995/04/01, 2001/03/31, Hiroshima University, Faculty of Education, Associate Professor
  • 2001/04/01, 2007/03/31, Hiroshima University, Graduate School of Education, Associate Professor
  • 2007/04/01, 2020/03/31, Hiroshima University, Graduate School of Education, Professor
  • 2009/04/01, 2011/03/31, Hiroshima University, Graduate School of Education, Vice-dean
  • 2009/04/01, 2011/03/31, Hiroshima University, Faculty of Education, Vice-dean
  • 2016/04/01, 2016/04/30, Hiroshima University, Graduate School of Education, Vice-dean of Graduate School of Education
  • 2016/04/01, 2016/04/30, Hiroshima University, Graduate School of Education, Vice-dean of Faculty of Education
  • 2016/05/01, 2018/03/31, Hiroshima University, Graduate School of Education, Dean of Graduate School of Education
  • 2016/05/01, 2018/03/31, Hiroshima University, Graduate School of Education, Dean of Faculty of Education
  • 2020/04/01, Hiroshima University, Graduate School of Humanities and Social Sciences, Professor

Educational Backgrounds

  • Hiroshima University, Faculty of Education, Japan, 1978/04, 1982/03
  • Hiroshima University, Graduate School, Division of Education, Curriculum and Instruction (Mathematics Education), Japan, 1982/04, 1984/03
  • Hiroshima University, Graduate School, Division of Education, Curriculum and Instruction (Mathematics Education, Japan, 1984/04, 1986/07

Academic Degrees

  • Bachelor of Education, Hiroshima University
  • Master of Education, Hiroshima University
  • Doctor of Education, Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Education : Science, Technology and Society Education : Secondary School Mathematics Education
  • [Master's Program] Graduate School of Humanities and Social Sciences : Division of Educational Sciences : Educational Design for Teacher Educators Program
  • [Doctoral Program] Graduate School of Humanities and Social Sciences : Division of Educational Sciences : Educational Design for Teacher Educators Program

In Charge of Primary Major Programs

  • Secondary School Mathematics Education

Research Fields

  • Social sciences;Education;Education on school subjects and activities

Research Keywords

  • Teacher Education|Lesson Study|Mathematics Understanding
  • Developmental Research||Mathematical Understanding
  • Primary School mathematics
  • Secondary School
  • Lesson Study
  • Two-Axes Process Model|Mathematics Teacher
  • System for Improving Lessons|Mathematical Ability
  • International Comparative Research|Understanding Mathematics
  • Evaluating Tool|
  • Two-Axes Process Model|

Affiliated Academic Societies

  • Japan Society of Mathematical Education, 1984
  • Japan Study Group for Psychology of Mathematics Education, 1993
  • Japan Academic Society of Mathematics Education, 1994
  • Japan Society for Science Education, 1995
  • Japan Curriculum Research and Development Association, 1997
  • International Group for Psychology of Mathematics Education, 1988
  • West Japan Academic Society of Mathematics Education, 1982, 1994
  • Kinki Society for Mathematics Education, 1988
  • International Commission on Mathematical Instruction, 2018

Educational Activity

Course in Charge

  1. 2023, Undergraduate Education, 3Term, Introduction to Mathematics Education II
  2. 2023, Undergraduate Education, 4Term, Methodology of Mathematics Education
  3. 2023, Undergraduate Education, 4Term, Research on Mathematics Education
  4. 2023, Undergraduate Education, First Semester, Practical Research in Mathematics Education
  5. 2023, Undergraduate Education, Second Semester, Graduation Thesis
  6. 2023, Undergraduate Education, 2Term, Introduction of Teaching Practice for Lower and Upper Secondary Schools
  7. 2023, Undergraduate Education, Second Semester, Practical Seminar for the Teaching Profession
  8. 2023, Graduate Education (Doctoral Program) , First Semester, Advanced Study in Curriculum and Instruction Sciences (Specialization in Mathematics Education)
  9. 2023, Graduate Education (Doctoral Program) , First Semester, Teaching Practicum I
  10. 2023, Graduate Education (Doctoral Program) , 3Term, Research into Curriculum and Instruction Sciences (Specialization in Mathematics Education)
  11. 2023, Graduate Education (Doctoral Program) , Second Semester, Advanced Study in Curriculum and Instruction Sciences (Specialization in Mathematics Education)
  12. 2023, Graduate Education (Doctoral Program) , Second Semester, Research into Teaching Practice
  13. 2023, Graduate Education (Doctoral Program) , Second Semester, Teaching Practicum II
  14. 2023, Graduate Education (Master's Program) , 1Term, Research Methods and Ethics for Educational Sciences
  15. 2023, Graduate Education (Master's Program) , First Semester, Special Study in Mathematics Education B
  16. 2023, Graduate Education (Master's Program) , Second Semester, Special Study in Mathematics Education B
  17. 2023, Graduate Education (Master's Program) , 1Term, Basic Study in Curriculum Design c
  18. 2023, Graduate Education (Doctoral Program) , First Semester, Special Study
  19. 2023, Graduate Education (Doctoral Program) , Second Semester, Special Study

Research Activities

Academic Papers

  1. Exploring Challenges and Solutions Perceived by High School Mathematics Teachers in Practicing Project-Based Learning: Analysis of an Open-Ended Online Questionnaire in Japan, Teacher Education and Curriculum Studies, 8(3), 146-152, 20230809
  2. A study on the viewpoints for analyzing interactions using various proofs in mathematics lessons, The Bulletin of Japanese Curriculum Research and Development, 46(1), 1-11, 20230623
  3. On Intuition in Learning Algebra, Hyogo University of Teacher Education Journal, 9, 25-38, 19880901
  4. Building a Two Axes Process Model of Understanding Mathematics, International Journal of Mathematics, 1, 63-73, 19930301
  5. Research into Relationship between the Computational Estimation Ability and Strategy and the Mental Computation Ability ; Analysis of the Fourth, Fifth, and Sixth Graders in Japan, International Journal of Mathematics, 2, 35-44, 19940301
  6. ★, The Development of Computation in Three Japanese Primary-Grade Textbooks, The Elementary School Journal (The University of Chicago Press), 96(4), 423-437, 19960301
  7. ★, Research on the Complementarity of Intuition and Logical Thinking in the Process of Understanding Mathematics : An Examination of the Two-Axes Process Model by Analyzing an Elementary School Mathematics Class, International Journal of Mathematics, 5, 21-33, 19970301
  8. Mathematics Learning and Process of Understanding, Collection of Papers in Mathematics Education, 30, 555-560, 19971101
  9. Study of the Constructive Approach in Mathematics Education, Reports from the Faculty of Education= Abo Akademi University= Finland, 3, 85-103, 19980301
  10. Process of Understanding Mathematics : The Teaching and Learning of Mathematics in a Classroom, Proceedings of ICMI-EARCOME1, 2, 275-292, 19980801
  11. A Study on Research in Mathematics Education as a Science : Its Tasks and Methods, Journal of the Korea Society of Mathematical Education : The Mathematical Education, 38(2), 199-206, 19991101
  12. Multi-World Paradigm in Mathematical Learning(1) : An Analysis of Mathematics Classes, International Journal of Mathematics, 8, 1-13, 20000301
  13. Number and Calculations, Number and Algebraic Expressions, Journal of Japan Society of Mathematical Education : Special Issues, 82(7・8), 154-159, 20000701
  14. ★, A Research on the Validity and Effectiveness of "Two-Axes Process Model" of Understanding Mathematics at Elementary School Level, International Journal of Mathematics, 9, 1-9, 20010301
  15. A Research on the Validity and Effectiveness of ’Two-Axes Process Model’ of Understanding Mathematics at Elementary School Level, Proceedings of the 24th PME Conference, 3, 159-166, 20000701
  16. ★, Students’ Representations of Fractions in a Regular Elementary School Mathematics Classroom, International Journal of Mathematics, 6, 1-11, 19980301
  17. Research on the Complementarity of Intuition and Logical Thinking in the Process of Understanding Mathematics, Proceedings of the 20th PME Conference, 3, 193-200, 19960701
  18. Characterizing Eight Modes of the Transcendent Recursive Model of Understanding Mathematics, Journal of JASME : Research in Mathematics Education, 1, 17-27, 19950301
  19. Research into Relationship between the Computational Estimation Ability and Strategy and the Mental Computation Ability, Proceedings of the 17th PME Conference, 3, 65-72, 19930701
  20. Exploring Basic Components of the Process Model of Understanding Mathematics for Building a Two-Axes Process Model, Proceedings of the 17th PME Conference, 3, 17-24, 19920701
  21. A Development and View of Research in Mathematics Education as a Science : Its Contents and Methods , 17, 77-87, 20020331
  22. Research on the Process of Understanding Concepts of Triangle and Quadrilateral in a Classroom, Proceedings of the 26th PME Conference, 1, 284-284, 20020701
  23. Research on the Process of Understanding Mathematics: Ways of Measuring Area of Trapezoid, Proceedings of the 27th PME Conference, 1, 239-239, 20030701
  24. Research on the Process of Understanding Mathematics: The Inclusion Relation Among Fractions, Decimals and Whole Numbers, Proceedings of the 28th PME Conference, 1, 315-315, 20040701
  25. Kassel Project in Japan, Series of International Monographs on Mathematics Teaching Worldwide MONOGRAPH, 3, 76-78, 20040401
  26. Relationship of the use of fingers in doing calculations with the self-concept in arithmetic/mathematics: a reexamination on junior and vocational college students, 55, 357-365, 20060301
  27. ★, Characteristics of 5th Graders’ Logical Development through Learning Division with Decimals, Educational Studies in Mathematics, 60(2), 217-251, 20051201
  28. Current Issues Impacting on Mathematics Education, Bulletin of the Graduate School of Education= Hiroshima University= Part. II (Arts and Science Education), 29-38, 20081201
  29. Excellence in Classroom Practice of School Mathematics: An Introduction to the PPD for EARCOME5, ICMI-EARCOME5, 5(1), 49-51, 20100801
  30. Systematic Improvement of Mathematical Instruction by means of Lesson Study: A Case of Primary School in Japan, Proceedings of CNUE 2010 International Conference on Education, 1, 117-127, 20101001
  31. ★, A longitudinal view of mathematics achievement of primary students: case studies from Japan, Singapore, and the United States, ZDM Mathematics Education, 41(1), 73-89, 20130301
  32. Viable concept image associated with a feeling of understanding in reading mathematical proof, ICMI-EARCOME6, 6(3), 408-417, 20130301
  33. Generalization, mental object, and stability of import in mathematics learning, Proceedings of the PME 37 Conference, 3, 17-24, 20130701
  34. Prescriptive Model for Designing Social Interactions in an Elementary Mathematics Class Based on the Multi-world Paradigm(3)Verification of Its Effectiveness through Teaching and Learning of 'Fractions' in Fourth Grade, 20(2), 93-112, 20140614
  35. A theoretical framework for the function of generalization in learning mathematics, Proceedings of the PME 38 Conference, 3, 257-264, 20140715
  36. Current trends and issues on mathematics curriculum revision in Japan, Proceedings of the 2015 Joint Conference of Korean Mathematics Education Societies, 2, 79-102, 20150501
  37. Seeking high quality collaboration and reflection: A Lesson Study on primary school mathematics, In the pursuit of quality mathematics education for all: Proceedings of the 7th ICMI-East Asia Regional Conference on Mathematics Education, 1, 105-116, 20150511
  38. ★, The two-axis process model of understanding mathematics as a framework for designing mathematics lessons for high school students, In the pursuit of quality mathematics education for all: Proceedings of the 7th ICMI-East Asia Regional Conference on Mathematics Education, 1, 409-416, 20150511
  39. Research on development of the prescriptive model for designing social interactions in elementary school mathematics classrooms, In the pursuit of quality mathematics education for all: Proceedings of the 7th ICMI-East Asia Regional Conference on Mathematics Education, 1, 607-615, 20150511
  40. PME IN JAPAN NEWS LETTER No.6(NEWS LETTER No.34), Journal of Japan Society of Mathematical Education. Mathematical education, 75(5), 4-5, 19930501
  41. Let's Participate ICME-12!, Journal of Japan Society of Mathematical Education. Mathematical education, 93(9), 20110901
  42. Theoretical and Practical Tasks for Implementing New Course of Study, Research in mathematics education : journal of JASME, 15(1), 147-152, 20090630
  43. The Significance of Intuition in Mathematics Education (1): How to Interpret Intuition, 1-18, 19830331
  44. Third-order viability in radical constructivism, Proceedings of the PME 39 Conference, 4, 257-264, 20150713
  45. Investigation of students' mathematical noticing related to mathematical thinking in mathematics education: Dynamics of mathematical noticing identified in mathematics classrooms, Journal of JASME: Research in Mathematics Education, 21(2), 123-132, 20150728
  46. A hermeneutic study on defining the emergence in mathematics education: For activating school mathematics classroom leading to the emergence, The Bulletin of Japanese Curriculum Research and Development, 38(2), 47-56, 20150930
  47. A Study on Effective Support of Pre-Service Teachers in Practice Teaching: Focused on Students' Mathematical Activity in Mathematics Lesson, The Annals of Educational Research, 55-64, 20160324
  48. Characteristics of the Intended Curriculum for School Mathematics, 4(1), 257-264, 20160612
  49. Trend of Research by JSME in the Period of World War II and Postwar, 4(1), 331-338, 20160612
  50. Reconstruction of Proofs as "Authentic Mathematical Activities": Reflection on the Concept, Theory and Research for Developing Learning Systems, 55-65, 20160331
  51. ★, Dynamic cycle driven by the dialectic cycle of two complementary reflections in lesson study on school mathematics, Proceedings of the PME 40 Conference, 40(1), 35-50, 20160803
  52. A new framework based on the methodology of scientific research programs for describing the quality of mathematical activities, Proceedings of the PME 40 Conference, 40(4), 291-298, 20160803
  53. A report on mathematical achievements of the lower secondary school students, The Annals of educational research, 71-76, 2006
  54. The Construction of 'A Distinct Teaching Practice Program' at Hiroshima University, The Annals of educational research, 31-40, 2004
  55. A Study on Curriculum Development of Mathematics in Junior and Senior High Schools (7), The Annals of educational research, 189-198, 2003
  56. A Study on Mathematics lesson through language activities : Developing the ability to think, make decisions, and represent, 123-132, 2012
  57. Research on development of the prescriptive model for designing social interactions in an elementary mathematics class based on the multi-world paradigm(2)Verification of its effectiveness through teaching and learning of 'number of outcomes', 105-114, 20140331
  58. A Study on Effective Support of Pre-service Teachers in Practice Teaching(2) - Through the Analysis of Small-group Learning in Pre-service Teachers’ Mathematics Lessons -, The Annals of Educational Research, 53-63, 20170331
  59. A study on curriculum development for indirect proof: understanding and constructing the process of proof by contradiction, The Annals of Educational Research, 281-287, 20170331
  60. Characteristics of organization of the courses of study and guidebooks for mathematics in Japan, Proceedings of the 8th ICMI-East Asia Regional Conference on Mathematics Education, 1, 83-95, 20180430
  61. Factors affecting difficulty of conditional probability in the Japanese probability curriculum, Proceedings of the 8th ICMI-East Asia Regional Conference on Mathematics Education, 1, 469-477, 20180430
  62. Individual and collective aspects of students’ mathematical noticing, Proceedings of the 8th ICMI-East Asia Regional Conference on Mathematics Education, 1, 485-492, 20180430
  63. A cross-tools Pirie-Kieren model for visualizing the process of mathematical understanding, Proceedings of the 8th ICMI-East Asia Regional Conference on Mathematics Education, 2, 154-165, 20180430
  64. A practical research on incorporation of performance assessment in the end of teaching unit in high school mathematics: Through analyzing the qualitative assessment of reports with the rubrics by students and teachers, Journal of JASME Research in Mathematics Education, 24(2), 37-49, 20181022
  65. ★, Framework of a dynamic cycle for promoting the professional development of mathematics teachers and educators in the lesson study of school mathematics, Hiroshima Journal of Mathematics Education, 12, 33-48, 20190228
  66. Improving mathematics lesson and evaluation through setting inquiry problem-solving activities, The Annals of Educational Research, 11, 1-11, 20200331

Publications such as books

  1. 2021/10/01, Mathematics education for sustainable economic growth and job creation, Problem-solving approach and lesson study for improving performance in mathematics, Routledge, 2021, 10, Scholarly Book, Single work, 英語, Masataka Koyama, 978-0-367-50028-3, 190, 37-50
  2. 2021/08/19, Handbook of Jyugyou Kenkyuu in Mathematics Education: Resources for Lesson Study, 2021, 08, Book(general), Single work, 日本語, Masataka KOYAMA, 978-4-491-04606-8, 276, 10
  3. 2019/08/28, School Mathematics Curricula: Asian Perspectives and Glimpses of Reform, Issues of Mathematics Curriculum in Japan: Changing Curriculum Policies and Developing Curriculum Frameworks for Mathematics, Springer Nature Singapore, 2019, 3, Scholarly Book, Single work, 英語, Masataka Koyama, 978-981-13-6310-8, 237, 171-187
  4. 2017/03/04, What Matters? Research Trends in International Comparative Studies in Mathematics, Pre-service Teacher Training for Secondary School Mathematics in Japan and Korea, Springer International Publishing, 2017, 3, Scholarly Book, Joint work, 英語, Masataka Koyama, Hee-chan Lew, 978-3-319-51185-6, 418, 145-164
  5. 2013/04, Kaur, B. (Ed.). Nurturing Reflective Learners in Mathematics (pp.1-319), Insights from Students’ Process of Understanding Mathematics for Nurturing Reflective Learners, World Scientific= Singapore, 2013, 04, Scholarly Book, Joint work, 英語, Masataka Koyama, 9789814472746, 319, 20, 269-288
  6. 2013/12, Y. Li & G. Lappan (Eds.), Mathematics Curriculum in School Education (pp.1-663), Mathematics Curriculum Policies: A Framework with Case Studies from Japan, Korea, and Singapore, Springer, 2013, 12, Scholarly Book, Joint work, 英語, Wong, K. Y., Koyama, M., Lee, K-H, 9789400775596, 663, 13, 79-91
  7. 2012/08, Burghes, D. (Ed.). Enhancing primary mathematics teaching and learning: Research report (pp.1-109), Examples of good practice in mathematics teaching and learning: Japan, 2012, 08, Report, Joint work, 英語, Masataka Koyama, 109, 7, 16-24
  8. 2011/04, Burghes, D. (Ed.). International Comparative Study in Mathematics Teacher Training: Enhancing the training of teachers of mathematics (pp.1-51), Country repots: Japan, 2011, 04, Report, Joint work, 英語, Masataka Koyama, 51, 3, 35-37
  9. 2010/06, Leung, F. K. S. & Li, Y. (Eds.). Reforms and Issues in School Mathematics in East Asia: Sharing and Understanding Mathematics Education Policies and Practices (pp.1-245), Mathematics Curriculum in Japan, Sense Publishers, 2010, 06, Scholarly Book, Joint work, 英語, Masataka Koyama, 9789460912269, 245, 20, 59-78
  10. 2008/04, International Comparative Study in Mathematics Teacher Training: Perspective, Mathematics Teacher Training in Japan, 2008, 04, Report, Joint work, 英語, David Burghes, Masataka Koyama, 39, 3, 26-28
  11. 2008/06, U.S. Doctorates in Mathematics Education: Developing Stewards of the Discipline, Japanese Doctoral Programs in Mathematics Education: Academic or Professional, 2008, 06, Report, Joint work, 英語, Robert Reys, John Dossey, Masataka Koyama, 271, 7, 195-201
  12. 2004/07, Series of International Monographs on Mathematics Teaching Worldwide 2: Teacher Training, Mathematics Teacher Training in Japan, Muszaki Konyvkiado, 2004, 07, Scholarly Book, Joint work, 英語, David Burghes, Tadao Nakahara, Masataka Koyama, 273, 17, 149-165
  13. 2004/07, Series of International Monographs on Mathematics Teaching Worldwide 3: Kassel Project, Kassel Project in Japan, Muszaki Konyvkiado, 2004, 07, Scholarly Book, Joint work, 英語, David Burghes, Tadao Nakahara, Masataka Koyama, 130, 3, 76-78
  14. 2004/07, Series of International Monographs on Mathematics Teaching Worldwide 4: IPMA , IPMA Project in Japan, Muszaki Konyvkiado, 2004, 07, Scholarly Book, Joint work, 英語, David Burghes, Tadao Nakahara, Masataka Koyama, 291, 11, 121-131
  15. 2000/08, Japanese-English/English-Japanese Dictionary for Pratical School Mathematics Usage , 2000, 08, Dictionary/Encyclopedia, Joint work, 524, 1
  16. 1994/07, Computational Alternatives for the Twenty-first Century: Cross Cultural Perspectives from Japan and the United States, Mental Computation: Evaluation, Curriculum, and Instructional Issues from the Japanese Perspective, National Council of Teachers of Mathematics, 1994, 07, Scholarly Book, Joint work, 英語, Robert E. Reys, Nobuhiko Nohda, Keiichi Shigematsu, Hideki Iwasaki, Masataka Koyama, 211, 12, 19-30

Invited Lecture, Oral Presentation, Poster Presentation

  1. Exploring challenges and solutions perceived by high school mathematics teachers in practicing project-based learning in their classrooms: Analysis of an open-ended online questionnaire in Japan, Tafara Chomunorwira, Masataka Koyama, 2022/12/10, Without Invitation, English
  2. Project-based learning in the context of mathematics teaching and learning, Chomunorwira Tafara, Koyama Masataka, 2021/12/11, Without Invitation, English
  3. The Effects of Student's Perception on Teaching and Learning Mathematics, Ugwoke Malachy Chizoba, Koyama Masataka, 2021/12/11, Without Invitation, English
  4. Multi-area teaching for promoting mathematical competence in school mathematics, Xinqi Zhang and Masataka Koyama, PME-44, 2021/07/22, Without Invitation, English, IGPME, Khonkaen, Thailand
  5. Visualizing the collective mathematical understanding process in a small group, Go Nakamura and Masataka Koyama, PME-44, 2021/07/20, Without Invitation, English, IGPME, Khonkaen, Thailand
  6. Comparative study on statistical contents in Chinese and Japanese mathematics textbooks, Xinqi Zhang and Masataka Koyama, ICME-14, 2021/07/16, Without Invitation, English, ICMI, Shanghai, China
  7. Need for Humanising Mathematics Education, Masataka Koyama, 31st PME Conference, 2007/07, With Invitation, English, IGPME, Seoul, Korea
  8. Japanese Doctoral Programs in Mathematics Education: Academic or Professional, Masataka Koyama, Second National Conference on Doctoral Programs in Mathematics Education, 2007/09, With Invitation, English, AMS, USA
  9. Excellence in Classroom Practice of School Mathematics: An Introduction to the PPD for EARCOME 5, Masataka Koyama, ICMI-EARCOME 5 Conference, 2010/08, With Invitation, English, ICMI-EARCOME 5, Tokyo, Japan
  10. Systematic Improvement of Mathematical Instruction by means of Lesson Study: A Case of Primary School in Japan, Masataka Koyama, International Conference on Education, Korea: Cheongju, 2010/10, With Invitation, English, Cheongju University, Korea, Cheongju, Korea
  11. Mathematics Teacher Training in Japan, Masataka Koyama, UK Launch of ICSMTT, The Royal Society, UK: London, 2011/03, With Invitation, English, CfBT, London, UK
  12. Teacher Training in Japan, Masataka Koyama, Faculty Seminar at University of Plymouth, UK: Plymouth, 2011/03, With Invitation, English, University of Plymouth, UK, Plymouth, UK
  13. Lesson Study for effective pre-service and in-service mathematics teacher training, Masataka Koyama, Global Launch of ICSMTT, Intercontinental Abu Dhabi, UAE: Abu Dhabi, 2011/04, With Invitation, English, CfBT, Abu Dhabi, UAE
  14. Mathematical problem solving in Japanese classrooms and teacher professional development on mathematical problem solving, Masataka Koyama, Symposium on Mathematical Problem Solving, National Institute of Education: Singapore, 2011/10, With Invitation, English, National Institute of Education, Singapore, Singapore
  15. New Curriculum of Secondary School Mathematics in Japan, Masataka Koyama, KNUE-HU Joint Academic Seminar in the Field of Science Education, Mathematics Education and Special Education. Korea: Korea National University of Education, 2012/05, With Invitation, English, KNUE-HU, Korea National University of Education, Korea
  16. Looking into students’ process of understanding mathematics for nurturing reflective learners: An analysis of the 8th grade lesson on “regular stellar polygon” in a Japanese lower secondary school classroom, Masataka Koyama, AME-SMS Conference 2012. Singapore: National University of Singapore High School of Mathematics & Science, 2012/05, With Invitation, English, AME-SMS Singapore, National University of Singapore High School of Mathematics & Science, Singapore
  17. The role of problem solving in teaching mathematics in Japan, Masataka Koyama, Launch Meeting of the Core Maths Support Programme Project, 2014/07, With Invitation, English, CfBT, London, England
  18. Mathematics education and professional development in Japan, Masataka Koyama, Launch Meeting of the Core Maths Support Programme Project, 2014/07, With Invitation, English, CfBT, London, England
  19. Current trends and issues on mathematics curriculum revision in Japan, Masataka Koyama, The 2015 Joint Conference of Korean Mathematics Education Societies, 2015/05/01, With Invitation, English, Korean Mathematics Education Societies, Konkuk University, Seoul, Korea
  20. Seeking high quality collaboration and reflection: A Lesson Study on primary school mathematics, Masataka Koyama, The 7th ICMI-East Asia Regional Conference on Mathematics Education, 2015/05/11, With Invitation, English, ICMI-EARCOME 7, Cebu City, The Philippines
  21. The two-axis process model of understanding mathematics as a framework for designing mathematics lessons for high school students, Masataka Koyama, Yoichiro Hisadomi, 7th ICMI-East Asia Regional Conference on Mathematics Education, 2015/05/11, Without Invitation, English, Philippine Council of Mathematics Teacher Educators (MATHTED), Inc., Philippine, Cebu City
  22. Research on development of the prescriptive model for designing social interactions in elementary school mathematics classrooms, Takeshi Yamaguchi, Masataka Koyama, Masakazu Okazaki, Tadao Nakahara, Naomichi Yoshimura, Hisae Kato, 7th ICMI-East Asia Regional Conference on Mathematics Education, 2015/05/11, Without Invitation, English, Philippine Council of Mathematics Teacher Educators (MATHTED), Inc., Philippine, Cebu City
  23. Third-order viability in radical constructivism, Yusuke Uegatani, Masataka Koyama, PME 39 Conference, 2015/07/13, Without Invitation, English, IGPME, Australia, Hobart
  24. Two-axis process model for teaching and learning of school mathematics, Masataka Koyama, ICME-13, 2016/07/23, With Invitation, English, ICME-13, Hamburug, Germany
  25. Dynamic cycle driven by the dialectic cycle of two complementary reflections in lesson study on school mathematics, Masataka Koyama, PME40, 2016/08/03, With Invitation, English, PME40, Szeged, Hungary
  26. A new framework based on the methodology of scientific research programs for describing the quality of mathematical activities, Yusuke Uegatani, Masataka Koyama, Yusuke Uegatani, Masataka Koyama, PME40, 2016/08/03, Without Invitation, English, PME40, Szeged, Hungary
  27. Science Education in Global Society: From the Perspective of Mathematics Education, Masataka Koyama, Annual Meeting of Japan Society for Science Education 40, 2016/08/20, With Invitation, Japanese, Japan Society for Science Education, Oita
  28. Facilitating inter-disciplinarity in education and research: EVRI, Masataka Koyama, The Second International Deans' Forum of School of Education at Research Universities, 2017/10/21, With Invitation, English, Graduate School of Education, Peking University, Beijing, China
  29. Dynamic cycle driven by the dialectic cycle of two complementary reflections in lesson study on school mathematics, Masataka Koyama, International Mathematics Education Colloquium – Asian Chapter, 2018/02/06, With Invitation, English, Korea National University of Education, Korea
  30. Characteristics of organization of the courses of study and guidebooks for mathematics in Japan, Masataka Koyama, 8th ICMI-East Asia Regional Conference on Mathematics Education, 2018/05/07, With Invitation, English, ICMI-EARCOME, Taipei, Taiwan
  31. Problem solving approach and lesson study for professional development of mathematics teachers and educators in Japan, Masataka Koyama, The Mico International Mathematics Teaching Summit 2019, 2019/03/27, With Invitation, English, The Mico University College, Kingston, Jamaica
  32. Using lesson study for improving performance in mathematics: The Japanese mathematics teaching methodology, Masataka Koyama, The Mico International Mathematics Teaching Summit 2019, 2019/03/27, With Invitation, English, The MIco University College, Kingston, Jamaica
  33. Globally-minded teacher training program at Hiroshima University, Masataka Koyama, Norio Matsumi, The International Network of Educational Institutes (INEI) Annual Meeting 2019, 2019/11/12, With Invitation, English, The International Network of Educational Institutes (INEI), Toronto, Canada

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI, 2014, 2016
  2. KAKENHI, Developmental Research on Integration of Research on Mathematical Understanding and Mathematics Lesson Study for Improvement in Quality of Secondary Education, 2018, 2020
  3. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2018, 2020

Social Activities

History as Committee Members

  1. ICME14 TSG40 Chair, 2020/09, 2021/08, ICME14
  2. Japan Representative, 2020/02, 2021/01, International Commission on Mathematical Instruction
  3. ICME14 TSG40 Chair, 2019/05, 2021/08, ICME14
  4. Japan Representative, 2019/02, 2022/01, International Commission on Mathematical Instruction
  5. ICME14 TSG40 Chair, 2018/05, 2020/08, ICME14
  6. Japan Representative, 2018/02, 2022/01, International Commission on Mathematical Instruction
  7. IPC, 2017/04, 2018/05, ICMI-EARCOME8

Organizing Academic Conferences, etc.

  1. 2023/06, 2023/06
  2. TSG40 at ICME-14, TSG40 Organizing Team, 2020/07, 2021/07
  3. 2020/10, 2021/10
  4. 1994/06
  5. 1995/01
  6. 1995/06
  7. 1995/11
  8. 1996/01
  9. 1996/06
  10. 1997/01
  11. 1997/06
  12. 1998/01
  13. 1998/06
  14. 1999/01
  15. 1999/06
  16. 2000/02
  17. 24th PME Conference, 24th PME Conference LO Committee, 2000/07, 2000/07
  18. 2001/01
  19. 2001/06
  20. 2002/01
  21. 2002/06
  22. 2003/01
  23. 2003/06
  24. 2004/01
  25. 2004/06
  26. 2005/01
  27. 2006/07
  28. 2007/01
  29. 2007/07
  30. 41st Annual Conference of JCRDA, Chair of Executive Committee, 2015/04, 2015/11

History as Peer Reviews of Academic Papers

  1. 2020, Journal of Japan Society of Mathematical Education: Research Journal of Mathematical Education, Editor, 8
  2. 2020, Journal of Japan Society of Mathematical Education: Arithmetic Education, Editor, 2
  3. 2020, Journal of JASME: Research in Mathematics Education, Editor, 2
  4. 2020, The Bulletin of Japanese Curriculum Research and Development, Editor, 2
  5. 2015, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  6. 2014, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 6
  7. 2013, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  8. 2012, Joournal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  9. 2011, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  10. 2010, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  11. 2009, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  12. 2008, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  13. 2007, Journal of JASME: Research in Mathematics Education, Editor, Editor and Reviewer, 4
  14. 2007, Journal of JASME: 10th Anniversary Special Issue, Chief editor, Editor-in-Chief
  15. 2015, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  16. 2014, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  17. 2013, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  18. 2012, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer
  19. 2011, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  20. 2010, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  21. 2009, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  22. 2008, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  23. 2007, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  24. 2006, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  25. 2005, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  26. 2004, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  27. 2003, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  28. 2002, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 2
  29. 2005, Hiroshima Journal of Mathematics Education Vol.11, Chief editor, Editor-in-chief, 5
  30. 2002, Hiroshima Journal of Mathematics Education Vol.10, Chief editor, Editor-in-chief, 4
  31. 2001, Hiroshima Journal of Mathematics Education Vol.9, Chief editor, Editor-in-chief, 4
  32. 2000, Hiroshima Journal of Mathematics Education Vol.8, Chief editor, Editor-in-chief, 4
  33. 1999, Hiroshima Journal of Mathematics Education Vol.7, Chief editor, Editor-in-chef, 5
  34. 1998, Hiroshima Journal of Mathematics Education Vol.6, Chief editor, Editor-in-chef, 5
  35. 1997, Hiroshima Journal of Mathematics Education Vol.5, Chief editor, Editor-in-chief, 5
  36. 1996, Hiroshima Journal of Mathematics Education Vol.4, Chief editor, Editor-in-chief, 7
  37. 1995, Hiroshima Journal of Mathematics Education Vol.3, Chief editor, Editor-in-chef, 5
  38. 1994, Hiroshima Journal of Mathematics Education Vol.2, Chief editor, Editor-inchief, 7
  39. 1993, Hiroshima Journal of Mathematics Education Vol.1, Chief editor, Editor-in-chief, 9
  40. 2012, Educational Studies in Mathematics Education, Editor, Editor and Reviewer, 8
  41. 2011, Educational Studies in Mathematics Education, Editor, Editor and Reviewer, 8
  42. 2010, Educational Studies in Mathematics Education, Editor, Editor and Reviewer, 8
  43. 2009, Educational Studies in Mathematics Education, Editor, Editor and Reviewer, 8
  44. 2008, Educational Studies in Mathematics Education, Editor, Editor and Reviewer, 8
  45. 2007, Educational Studies in Mathematics Education, Editor, Editor and Reviewer, 8
  46. 2007, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  47. 2006, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  48. 2005, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  49. 2004, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  50. 2003, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  51. 2002, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  52. 2001, Journal of Mathematics Teacher Education, Others, Reviewer, 2
  53. 2015, Journal of Japan Society of Mathematical Education: Research Journal of Mathematical Education, Editor, 12
  54. 2015, Journal of Japan Society of Mathematical Education: Arithmetic Education, Editor, 2
  55. 2017, Journal of JASME: Research in Mathematics Education, Editor, 4
  56. 2017, Journal of Japan Society of Mathematical Education: Research Journal of Mathematical Education, Editor, 10
  57. 2017, Journal of Japan Society of Mathematical Education: Arithmetic Education, Editor, 2
  58. 2015, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 4
  59. 2017, The Bulletin of Japanese Curriculum Research and Development, Editor, Editor and Reviewer, 6
  60. 2015, Proceedings of PME 39 Conference, Others, Reviewer, 5
  61. 2017, Proceedings of PME 41 Conference, Others, Reviewer, 3
  62. 2016, Hiroshima Journal of Mathematics Education, Chief editor, Editor-in-Chief of HJME, 2
  63. 2018, Journal of JASME: Research in Mathematics Education, Editor, 4
  64. 2018, Journal of Japan Society of Mathematical Education: Research Journal of Mathematical Education, Editor, 10
  65. 2018, Journal of Japan Society of Mathematical Education: Arithmetic Education, Editor, 2
  66. 2018, The Bulletin of Japanese Curriculum Research and Development, Editor, 4
  67. 2019, Journal of Japan Society of Mathematical Education: Research Journal of Mathematical Education, Editor, 8
  68. 2019, Journal of Japan Society of Mathematical Education: Arithmetic Education, Editor, 2
  69. 2019, Journal of JASME: Research in Mathematics Education, Editor, 2
  70. 2019, The Bulletin of Japanese Curriculum Research and Development, Editor, 4