UNDERSTANDING STUDENT PROFILE SMP IT AL-FITYAN GOWA SCHOOL CLASS IX AT PROBLEM SOLVING VIEWED FROM THE REASONING ABILITY OF MATHEMATICS
ABSTRACT: This study is an
exploratory study with a qualitative approach that aims to uncover the junior
high profile student understanding in solving mathematical problems in terms of
mathematical reasoning abilities. The subjects were students of class IX SMP IT
Al-Fityan School Gowa consisting of three students with one student has a high
mathematical reasoning abilities, one student with mathematical reasoning
being, and one student with low mathematical reasoning. Instruments in this
study is the researchers themselves as the main instrument that is guided by
the mathematical problem solving test, interview, mathematical reasoning
ability tests. The study began by determining the subject of research using
mathematical reasoning test instruments, and the continuation of TPMM and
interviews. Checking the validity of the data using a triangulation of time. The
data collection is done by the task analysis and interviews. The data were
analyzed by qualitative content analysis technique with a deductive approach
that consists of four stages: preparation, organization, presentation and
assessment data. The results showed that subjects capable of "reasoning
high (ST)", "reasoning was (SS)" and "reasoning low
(SR)" have a formal understanding in understanding the problem, which is
marked by reading the questions, write down the known symbols appropriate and
explain the meaning of the symbols used, asked to write their own sentences,
followed by describing the image in accordance with the known along with
logical explanations relating to images that have been created. Relational
understanding a subject capable of "reasoning high" (ST) in the plan
is a clear expression of the stage to be carried out in the plan from finding
the value of x with extensive help to find the total cost required to make the
fence in accordance with existing rules is accompanied by an explanation how
and why the rules that apply. Understanding of instrumental subjects capable of
"reasoning being (SS)" and the subject capable of "reasoning low
(SR)" in the plan is a plan based on an existing rule that is by finding
the value of x using the formula for the area trapezoid to determine the size
of the trapezoid in fact, determine the size hypotenuse trapezoid with the
Pythagorean formula followed by using roving in determining the overall
manufacturing cost of the fence, knowing how the rules apply but did not
explain the reason for using these rules. Understanding of instrumental
subjects capable of "reasoning high (ST)", a subject capable of
"reasoning being (SS)" and the subject capable of "reasoning low
(SR)" in carrying out the plan that explains every step is done, explain
verbally origin formula for the area trapezoid without being able proved
mathematically and does not give the exact reason how the rule "moved
segments" on the summation of which is applied in the completion, use properly
Pythagoras calculation formula in determining the length of the hypotenuse
trapezoidal without explanation of the origin of the Pythagorean formula.
Understanding of instrumental subjects capable of "reasoning high
(ST)", a subject capable of "reasoning being (SS)" and the
subject capable of "reasoning low (SR)") in check is to verify
results calculations starting from the first step to the last step and feel
confident answers obtained is correct without being able to explain and prove
the reasons why the answer obtained is correct
Penulis: Ikrimah
Kode Jurnal: jpmatematikadd160781
