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J-GLOBAL ID：200901084125536635 Update date: Apr. 23, 2025

Okazaki Masakazu

オカザキマサカズ | Okazaki Masakazu

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Affiliation and department：
Job title： Professor

Research field (2)： Primary/secondary education and curricula , Science education

Research keywords (1)： Mathematics Education

Research theme for competitive and other funds (25)：

2020 - 2024 The collaborative research on the development of class lessons and curriculum coherent from elementary to secondary mathematics in terms of the linkage between plane and spatial geometry
2017 - 2021 The practical study for the theory of mathematical knowledge for teaching and for developing a teaching unit in terms of the consistency between elementary and secondary mathematics
2015 - 2019 Investigating Japanese teacher's practical knowledge related to elementary school mathematics lesson by using historical approach
2015 - 2019 Development of learning materials with sensation by using virtual reality technology - in the case of three dimensional figures -
2014 - 2017 Analysis of mathematical thinking in terms of interactions with a diagram in mathematics education: from the cognitive and cultural perspective

2014 - 2017 A collaborative study of developing curriculum and mathematical knowledge for teaching for connecting between elementary and secondary mathematics

2014 - 2017 Theoretical and Emprical Research on the Construction Process of the Concept of Division based on the Multi-World Paradigm

2013 - 2017 A study on students' own representation and their refinement processes in arithmetic and mathematics classes

2012 - 2017 Reflective Description of Japanese Mathematics Education

2011 - 2014 Research on development of the prescriptive model for designing social interactions in an elementary class based on the multi-world paradigm

2011 - 2013 The developmental study of classroom lessons and curriculums for connecting between elementary and secondary mathematics through design experiments

2010 - 2012 Fundamental study on lesson design on the basis of the roles of representation in mathematical problem solving

2010 - 2012 A Comparative Study on Teacher Education for "Math for Excellence"

2008 - 2010 The comprehensive study of developing theory, practice and contents connecting between elementary and secondary mathematics through design experiments

2007 - 2009 A theoretical and practical research on the effect that quality of mathematics lessons gives to students problem solving process and learning of mathematics

2006 - 2009 Developmental Research for Construction of Mathematical Literacy in Life Long Learning Society

2006 - 2007 デザインリサーチによる中学校数学へ向けた高学年算数の授業開発に関する研究

2005 - 2006 算数と数学の接続における2つの一般化に関する開発研究

2004 - 2005 全体論の立場からの中学校数学への接続を意図した算数の授業開発に関する研究

2003 - 2004 算数を数学に接続する一般化に基づく教授単元の計画・実施・評価に関する開発研究

2002 - 2003 全体論の立場からの中学校数学の導入過程の構成に関する研究

2002 - 2002 小学算数を中学数学に接続する分数による除法に関する学習指導の開発研究

2000 - 2001 算数から数学への移行を支援する授業開発に関する研究

1998 - 1999 Investigation of zeta functions associated with prehomogeneous vector spaces

1997 - 1998 Submanifolds in Hyperbolic, Space

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Papers (123)：

Shinya Nakao, Masakazu Okazaki. A Study of Teacher Intervention Using Reflection in an Arithmetic Classroom: From the Perspective of the Theory of Didactical Situations. 2025. 48. 4
Masakazu Okazaki, Keiko Watanabe. Prospective teachers’ understanding of the indirect proof of the converse of the inscribed angle theorem. Proceedings of the 47th Conference of the International Group for the Psychology of Mathematics Education. 2024. 3. 265-272
岡崎正和. 正四角柱の切断の学習で育成されうる論理的説明の様相. 日本数学教育学会, 第12回春期研究大会論文集. 2024. 12. 19-26
Ryouna BEPPU, Masakazu OKAZAKI. A study for the reconstruction of mathematical literacy in school mathematics: From the perspective of functional literacy and critical literacy. Journal of Japan Academic Society of Mathematics Education. 2024. 29. 2. 1-14
池田匡史, 石橋一昴, 詫間千晴, 服部裕一郎, 岡崎正和, 宮本浩治, 山田秀和, 川崎弘作. 教職大学院教科教育領域における教育実践力の向上と実践研究の推進との架橋:学部新卒院生によるリフレクションを促す場の構想. 日本教育大学協会研究年報. 2024. 42. 141-152

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MISC (30)：

岡崎正和. 数学的な見方・考え方を働かせられる生徒を育てるために. 算数・数学情報誌Root(ルート). 2024. 33. 6-7
岡崎正和. 図形の構成の仕方について考察すること. 新しい算数研究8月号. 2023. 629. 10-15
岡崎正和. 式と計算の順序(今月の指導4年に対するコメント). 新しい算数研究12月号. 2022. 623. 59
岡崎正和. 商としての分数(今月の指導5年に対するコメント). 新しい算数研究9月号. 2022. 620. 67-67
岡崎正和. 数学的な見方・考え方を成長させる資質・能力ベースの単元をいかに設計するか. 新しい算数研究12月号. 2021. 611. 4-7

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Books (26)：

子どもの「問い」を生かす算数授業-「静岡」からの発信-
静岡新聞社 2023
コミュニケーションとしての思考: 人間の発達,ディスコースの成長,数学化
共立出版 2023 ISBN:4320114914
新編数学III
第一学習社 2023
イラスト図解ですっきりわかる算数
東洋館出版社 2023
新編数学(数学I,数学A,数学II,数学B,数学C)
第一学習社 2022

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Lectures and oral presentations (87)：

A study on socio-mathematical values in lessons using social open-ended problems: Aiming to clarify critical thinking in mathematics learning
(2024)
Changing process of children's explanatory descriptions in second-grade due to awareness of others: Focusing on explanations in problems about ordinal numbers and cardinal numbers
(2024)
Examination of the appropriation process through reflection in mathematics education: From the perspective of reflection throughout the unit
(2024)
Mathematics education policy, the national curriculum and the recent curriculum reforms in Japan
(The Global Forum on Mathematics Education Policy 2024 in South Korea 2024)
Characteristics of 1st and 2nd grade students’ expository descriptions in mathematics
(The 15th International Congress on Mathematical Education 2024)

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Education (3)：

1994 - 1997 Hiroshima University Graduate School of Education
1992 - 1994 Hiroshima University Graduate School of Education
1988 - 1992 Hiroshima University School of Education

Professional career (2)：

Doctor of Philosophy in Education (Hiroshima University)
Master of Educaiton (Hiroshima University)

Work history (23)：

2025/04 - 現在 Hiroshima University Graduate School of Humanities and Social Sciences Professor
2021/04 - 2025/03 Okayama University Faculty of Education Professor
2015/04 - 2021/03 Professor, Graduate School of Education, Okayama University Graduate School of Education, Okayama University Professor
2020/06 - 2020/09 広島大学大学院教育学研究科客員教授
2019/06 - 2019/09 広島大学大学院教育学研究科客員教授

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Committee career (30)：

2024/11 - 現在 Japan Society of Mathematical Education Executive Director, Mathematics Education Editorial Department Chief
2024/04 - 現在 Japan Curriculum Research and Development Association Subject Committee
2023/04 - 現在 Japan Society for Studies on Educational Practices editorial committee
2021/06 - 現在 Okayama University Society of Mathematics Education President
2020/09 - 現在 Japan Society of Mathematical Education Editorial Board of Research Journal of Japan Society of Mathematical Education

2019/06 - 現在 Mathematics Education Society in Okayama Prefecture President

2019/04 - 現在 PME in Japan Vice President

2019/04 - 現在 Japan Academic Society of Mathematics Education President

2015/04 - 現在 Japan Academic Society of Mathematics Education Director

2013/04 - 現在 Japan Society of Mathematical Education Program Committee of Autumn Research Conference

2010/06 - 現在 Okayama University Society of Mathematics Education Director

2024/02 - 2025/01 Japan Society of Mathematical Education Journal Reorganization Working Group

2023/01 - 2024/12 Japan Society of Mathematical Education Director

2021/04 - 2024/03 Japan Curriculum Research and Development Association National Committee

2016/09 - 2022/08 Japan Society of Mathematical Education Deputy Chief of External Affairs

2020/06 - 2021/06 Japan Society of Mathematical Education Delegate

2011/06 - 2021/06 Okayama University Society of Mathematics Education Vice President

2009/09 - 2020/08 Japan Society of Mathematical Education Editorial board of Research Journal of Japan Society of Mathematical Education

2017/04 - 2019/03 Japan Academic Society of Mathematics Education Chief, Editorial Committe of English Academic Journal

2017/04 - 2019/03 Japan Academic Society of Mathematics Education Vice President

2012/04 - 2019/03 Psychology of Mathematics Education in Japan secretariat

2017/01 - 2018/08 Japan Society of Mathematical Education Program Committee of Centennial History of Japan Society of Mathematical Education

2014/06 - 2018/06 Japan Society for Science Education Editorial board

2015/04 - 2018/03 Japan Society of Mathematical Education Editorial Committee of Centennial History

2010/06 - 2017/06 Japan Society of Mathematical Education Delegate

2014/04 - 2017/03 Japan Academic Society of Mathematics Education Deputy Chief, Editorial Committee of English Academic Journal

2012/09 - 2016/08 Japan Society of Mathematical Education Committee of External Affairs

2012/07 - 2016/07 International Group for the Psychology of Mathematics Education International Committee

2014/07 - 2015/07 International Group for the Psychology of Mathematics Education International Program Committee

1999/06 - 2000/07 24th Conference of International Group for the Psychology of Mathematics Education Executive Committee

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Awards (3)：

2022/11 - Japan Society of Mathematics Education Academic Society Award (Academic Research Division)
2018/01 - Japan Academic Society of Mathematics Education Academic Society Encouragement Award
2004/01 - Japan Academic Society of Mathematics Education Academic Society Encouragement Award

Association Membership(s) (8)：

Japan Society for Science Education , Okayama University Society of Mathematics Education , Japan Curriculum Research and Development Association , Japan Society of Mathematical Education , International Group for the Psychology of Mathematics Education , PME in Japan , Japan Academic Society of Mathematics Education , Society of Japan Science Teaching

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