Browsing Education by Author "Adulyasas, Lilla"

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Enhancing Secondary Students' Geometric Thinking and Teachers' TPACK through Lesson Study Incorporating Phase-Based Instruction Using GSP

Adulyasas, Lilla; Abdul Rahman, Shafia (Universiti Sains Malaysia, 2016-02)

Geometry has in many countries, proved to be one of the topics in mathematics that is problematic for students to understand. This shows that teaching and learning geometry in Thailand has not been very effective because ...
Lesson study incorporating phase-based instruction using Geometer's Sketchpad and its effects on Thai students’ geometric thinking

Adulyasas, Lilla; Rahman, Shafia Abdul (Emerald Group Publishing Limited, 2003-10)

Abstract Purpose Geometry has, in many countries, proved to be one of the problematic topics in mathematics. The purpose of this paper is to report on a study that was carried to investigate the effects of lesson study ...