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Download full textKurniawan, Henry; Putri, Ratu Ilma Indra; Hartono, Yusuf – Journal on Mathematics Education, 2018
The purpose of this research was to show open-ended questions about surface area and beam volume which valid and practice, have potential effect. This research is research development which consists of two main phases: preliminary phase (preparation phase and problem design) and formative evaluation phase (evaluation and revision phases). The…
Descriptors: Scientific Concepts, Questioning Techniques, Geometry, Mathematics Instruction
Edo, Sri Imelda; Hartono, Yusuf; Putri, Ratu Ilma Indra – Indonesian Mathematical Society Journal on Mathematics Education, 2013
The chart of Indonesian student of mathematical ability development in Program for International Student Assessment (PISA) event during the last 4 periods shows an unstable movement. PISA aims to examine the ability of children aged 15 years in reading literacy, mathematics literacy, and science literacy. The concept of mathematical literacy is…
Descriptors: Foreign Countries, Secondary School Students, Secondary School Mathematics, Mathematics Instruction
