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All Journal (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING
Asep Kustiana
IKIP Siliwangi
Education Mathematics Other

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The Role of Metaphorical Thinking on Student’s Mathematical Reasoning Ability and Self Confidence Pitria Susanti; Utari Sumarmo; Asep Kustiana
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 3, No 3 (2020): VOLUME 3 NUMBER 3, SEPTEMBER 2020
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v3i3.p121-132

Abstract

This research is a pretest-posttest experimental control group design having a goal to investigate the role of metaphorical thinking approach (MTA) toward students’ mathematical reasoning ability (MRA) and self-confidence (MSC). The research involves 64 eighth grade students of a Junior High School in Garut Indonesia, an MRA  test, and an MSC scale. The findings of this research were:  students getting treatment with MTA reached MRA at a moderate grade level, and students taught by  problem based learning (PBL) learning obtained MRA at a low grade level. However, there were no different grades on students’ MSC in both teaching approaches, and those grades were at a moderate level. Students in both teaching approaches encountered difficulties in solving MRA tasks such as on analogical reasoning about determine the value of the function, solving two linear variable equations, and writing down mathematical models involved in a calculation. Besides that, there was an association between MRA and MSC, students posed positive opinions toward implementation of MTA, and they performed active learning during MTA lessons.
Improving Students Mathematical Critical Thinking Ability and Self Regulated Learning Using Open-Ended Approach Yanti Yulianti; Utari Sumarmo; Asep Kustiana
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 3, No 3 (2020): VOLUME 3 NUMBER 3, SEPTEMBER 2020
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v3i3.p133-144

Abstract

This study is an experiment with pretest postest control group design having a goal to examine the role of open-ended approach  (OEA) on enchancing student’s mathematical critical thinking ability  (MCTA) and  mathematical self regulated learning  (MSRL). Sample of this study are 59 seventh grade students from two classes selected randomly from 5 classess in in a Junior  High School in Garut. Instruments of this study were an essay  MCTA test, and a MSRL Likert model scale. The study found on MCTA and on MSRL students getting treatment with OEA obtained higher grades than the grades of students taught by SA. The first group students attained MSCA and MSRL at fairly good grade level, while the second group students obtained at medium grade level, and they still encountered some difficulties on solving MCTA tasks. Besides that, the study also found  there is high asociation between MCTA and MSRL  and student performed active learning during OEA lessons.Keywords: mathematical critical thinking ability, self-regulated learning, open-ended approach
Mathematical Problem Solving and Disposition: Experiment with Tenth Grade Students Using MEAs Mellyana Mellyana; Utari Sumarmo; Asep Kustiana
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol 3, No 3 (2020): VOLUME 3 NUMBER 3, SEPTEMBER 2020
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v3i3.p145-157

Abstract

This reseach is a pre test-post test experimental control group design having a goal to examine  the role of Model Eliciting Activities (MEAs) approach, on student’s mathematical problem solving ability (MPSA) and disposition (MD). The research involved 59 tenth grade students of a Senior High School in Garut Inodonesia, a MPSA test, and a  MD  scale. The research  found MEAs took greater role than SA on improving student’s MPSA and its N<Gain>.  Students getting treatment with MEAs obtained MPSA higher grade than the grade of students taught by SA, however those both grades were at low grade level, and students encountered many difficulties on solving MPSA tasks. In addition to,  there were no different grades on student’s MD, and the grades were at fairly good level, and there was strong association between MPSA and MD. Other findings was that  students declared positive opinion on MEAs  and they peformed active learning during the lessons. Keywords:mathematical problem solving, disposition, MEAs approach,
Co-Authors Mellyana Mellyana Pitria Susanti Utari Sumarmo Yanti Yulianti