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Fatah, Abdul; Suryadi, Didi; Sabandar, Jozua; Turmudi – Journal on Mathematics Education, 2016

The present study aims at examining the use of open-ended approach in cultivating senior high school students' mathematical creative thinking ability (MCTA) and self-esteem (SE) in mathematics viewed from school category. The subjects of this research were the students grade XI at three schools; high, middle and low category in Kota Serang, Banten…

Descriptors: Foreign Countries, High School Students, Secondary School Mathematics, Mathematics Skills

Alhaddad, Idrus; Kusumah, Yaya S.; Sabandar, Jozua; Dahlan, Jarnawi A. – Indonesian Mathematical Society Journal on Mathematics Education, 2015

This research aims to investigate, compare, and describe the achievement and enhancement of students' mathematical communication skills (MCS). It based on the prior mathematical knowledge (PMK) category (high, medium and low) by using Treffinger models (TM) and conventional learning (CL). This research is an experimental study with the population…

Descriptors: Mathematics Skills, Teaching Methods, Mathematics Achievement, Instructional Effectiveness

Kurniati; Kusumah, Yaya S.; Sabandar, Jozua; Herman, Tatang – Indonesian Mathematical Society Journal on Mathematics Education, 2015

This research aimed to examine the effect of the application of contextual teaching and learning (CTL) approach to the enhance of mathematical critical thinking ability (MCTA) of Primary School Teacher Students (PSTS). This research is an experimental study with the population of all students PSTS who took algebra subject matter of one university…

Descriptors: Foreign Countries, Mathematics Education, Critical Thinking, Mathematics Instruction

Widyatiningtyas, Reviandari; Kusumah, Yaya S.; Sumarmo, Utari; Sabandar, Jozua – Indonesian Mathematical Society Journal on Mathematics Education, 2015

The study reported the findings of an only post-test control group research design and aims to analyze the influence of problem-based learning approach, school level, and students' prior mathematical ability to student's mathematics critical thinking ability. The research subjects were 140 grade ten senior high school students coming from…

Descriptors: Secondary School Science, High School Students, Mathematics Education, Mathematics Skills

Murni, Atma; Sabandar, Jozua; Kusumah, Yaya S.; Kartasamita, Bana Goerbana – Indonesian Mathematical Society Journal on Mathematics Education, 2013

The aim of this study is to know the differences of enhancement in mathematical problem solving ability (MPSA) between the students who received soft skill- based metacognitive learning (SSML) with the students who got conventional learning (CL). This research is a quasi experimental design with pretest-postest control group. The population in…

Descriptors: Mathematics Instruction, Problem Solving, Mathematics Skills, Junior High School Students

Surya, Edy; Sabandar, Jozua; Kusumah, Yaya S.; Darhim – Indonesian Mathematical Society Journal on Mathematics Education, 2013

The students' difficulty which was found is in the problem of understanding, drawing diagrams, reading the charts correctly, conceptual formal mathematical understanding, and mathematical problem solving. The appropriate problem representation is the basic way in order to understand the problem itself and make a plan to solve it. This research was…

Descriptors: Junior High School Students, Mathematics Instruction, Secondary School Mathematics, Problem Solving