TINJAUAN PEMAHAMAN KONSEP DAN PEMECAHAN MASALAH PADA MATERI PROGRAM LINIER SISW SMK NEGERI 1 PAINAN DENGAN PENERAPAN STRATEGI REACT

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Learning mathematic at school should be include of problem solving, reasoning,
interrelatedness communication and representation. One of main ability in learning
mathematic is problem solving. It is very important, even it is called as heart of
mathematic. Thinking process in problem solving need ability of strategi organisation. The
ability can train people to think critical, logic, and creative which is needed to face social
development.The abilitiy of problem solving have tight relationship with students’
mathematic comprehension componet. In onther word we can say that students are able to
use it in problem solving. One of appropriate strategy that can improve students’
comprehension concept and problem solving is REACT. This is a learning strategy by
using contextual approch. This strategy consist of five steps first Relating, second
experiencing, and then applying, and cooperating, the last is transferring. By applying this
strategy, it is hope that it can improve students’ comprehension concept and problem
solving so that the objective of learning can be gained well. The purpose of this research
was to know the improvement of students’ability in comprehension concept and problem
solving in linier program material of ten grade SMK Negeri 1 Painan students at technic
computer network department (TKJ) by applying REACT strategy. The research is
classroom action research which consist of two cycles, each cycles involve four stages : (1)
planning, (2) acting, (3) observing, and (4) reflecting.The instruments used to collect data
were observation cheklist and field note.It wa used to record and collect real information
of teaching and learning process in applying REACT strategy at XI TKJ of SMK Negeri 1
Painan.To know the students’ ability inmathematic, the researcher gave a test at the end of
every cycles. The result of this research show that, there is an improvement of students’
comprehension concept and problem solving. At first cycle, the improvement was 87% and
60% incomprehension concept and problem solving. At second cycle the improvement
become 88% and 85%. Based on the result above we can conclude that the use of REACT
strategy could deepen students’ comprehension concept toward the material that they have
been learned. Beside that the strategy could develop positifattitude such as respect each
other, responsibility, self confidence in giving opinion, because they learned in group.
Kata Kunci : Pemahaman Konsep, Pemecahan Masalah, Strategi REACT