This volume consists of five papers that have undergone a review process by the editorial committee. The first paper investigates the effect of self-assessment and the use of GeoGebra on students’ achievement and self-directed learning in Junior High School in Thailand. The second paper discusses the case study about Technological Pedagogical Content Knowledge of novice mathematics teachers. Meanwhile, the third paper reports the investigation of mathematical knowledge of teaching of secondary preservice teachers in Papua New Guinea. The ethnomathematics project and Hypnoteaching model in distance learning between an Indonesian university and a Taiwanese university were discussed in the fourth paper. Finally, the fifth paper examines a case study of Modality Transitioning in a high school in the Philippines which focuses on the teaching challenges in limited face-to-face mathematics classroom.

This volume consists of five papers that have undergone a review process by the editorial committee. The first paper investigates the students’ critical and creative thinking skills in the integrated STEAM and Computational Thinking teaching and learning activities. The second paper discusses the analysis of students’ metacognition ability in solving mathematics problems. Meanwhile, the third paper reports how Desmos Polygraph can promote mathematical literacy. The identification of the level of available classroom technology usage and mathematics teachers’ competences along Technological Pedagogical Content Knowledge (TPACK) in the Philippines were discussed in the fourth paper. Finally, the fifth paper examines the level of ICT expertise and beliefs of ICT integration of mathematics teachers in the Philippines and students’ problem-solving skills.

This issue (SEAMEJ Volume 9 Issue 1 Year 2019) has been available online since June 2019. All articles in this issue consist of 8 original research articles were authored/co-authored by 25 authors from 3 countries (Indonesia, Malaysia, and Australia).

This issue (SEAMEJ Volume 8 Issue 1 Year 2018) has been available online since December 2018. All articles in this issue consist of 8 original research articles were authored/co-authored by 12 authors from 2 countries (Indonesia and Australia).

This issue (SEAMEJ Volume 7 Issue 2 Year 2017) has been available online since December 2017. All articles in this issue consist of 10 original research articles were authored/co-authored by 23 authors from 2 countries (Indonesia and Phillipines).

This issue (SEAMEJ Volume 7 Issue 1 Year 2017) has been available online since June 2017. All articles in this issue consist of 8 original research articles were authored/co-authored by 9 authors from 2 countries (Indonesia and Australia).

This issue (SEAMEJ Volume 6 Issue 1 Year 2016) has been available online since December 2016. All articles in this issue consist of 5 original research articles were authored/co-authored by 6 authors from 4 countries (Indonesia, Malaysia, Brunei Darussalam, and Australia).

This issue (SEAMEJ Volume 5 Issue 1 Year 2015) has been available online since December 2015. All articles in this issue consist of 6 original research articles were authored/co-authored by 7 authors from 2 countries (Indonesia and Malaysia).

This issue (SEAMEJ Volume 4 Issue 1 Year 2014) has been available online since December 2014. All articles in this issue consist of 4 original research articles were authored/co-authored by 4 authors from 2 countries (Singapore and Australia).

This issue (SEAMEJ Volume 3 Issue 1 the Year 2013) has been available online since December 2013. All articles in this issue consist of 5 original research articles were authored/co-authored by 5 authors from 3 countries (Indonesia, Australia, and New Zealand).

This issue (SEAMEJ Volume 2 Issue 2 Year 2012) has been available online since November 2012. All articles in this issue consist of 7 original research articles were authored/co-authored by 16 authors from 4 countries (Indonesia, Malaysia, China, and Australia).

This issue (SEAMEJ Volume 1 Issue 1 Year 2011) has been available online since November 2011. All articles in this issue consist of 8 original research articles were authored/co-authored by 11 authors from 4 countries (Indonesia, Malaysia, Singapore, and Australia).