Online Program for SEAMEO School Network is coordinated by Professor Dr. Masami Isoda (Director of CRICED, University of Tsukuba, Japan), Associate Professor Dr. Maitree Inprasitha (Vice President of Khon Kaen University and Acting Director of IRDTP for ASEAN, Thailand), and Dr. Aida Yap (Director of NISMED, University of Philippines, Philippines). The objective of this online program titled “Teaching Mathematics to Develop Mathematical Thinking as Higher Order Thinking: How do you teach? Why?” is to develop Mathematics Knowledge for Teaching with components of Pedagogical Content Knowledge and Subject Matter Knowledge for all school levels using materials of elementary school mathematics up to Grade 3. Hence, it covers the two SEAMEO priority areas, namely, #5 “Revitalizing Teacher Education” and #7 “Adopting 21st Century Curriculum”.
A total of 11 key facilitators from seven countries are participating in this online program. They are Professor Dr. Masami Isoda (University of Tsukuba, Japan), Associate Professor Dr. Maitree Inprasitha, Assistant Professor Dr. Narumon Changsri, and Dr. Nisakorn Boonsena (Khon Kaen University, Thailand), Dr. Aida Yap and Dr. Erlina Ronda (UP-NISMED, Philippines), Associate Professor Dr. Nguyen Chi Thanh (Vietnam National of Education, Vietnam), Miss Teh Kim Hong (SEAMEO-RECSAM, Malaysia), Mr. Wahid Yunianto (SEAMEO-QUITEP, Indonesia), and Dr. Raimundo Olfos and Dr. Soledad Estrella (Pontificia Universidad Católica de Valparaiso, Chile).
    The coverage of this online program consists of seven topics and 20 lessons. The topics are numbers, addition and subtraction, extend number to 100 with addition, subtraction using column form, multiplication, and division. The duration of each class is about 30 to 40 minutes on a weekly basis. By the end of this online program, students learn the principle to develop mathematical higher-order thinking skills by utilizing the Japanese Problem-solving Approach proposed in Gakko Tosho Textbooks which have been used in Indonesia and Thailand.