<![CDATA[This research was aimed at finding out how the result of Students Worksheet development by using LAPS-Heuristic model in order to facilitate the students capability in solving their Mathematics problem. This research is Research and development by using Borl and Gall development model which was done in 7 steps research; they are preface research, planning, developing early product design, validating design, revising product, trial and error the product, and revising product. The subjects of this research are the 8th B students of SMP 11 Maret Sumberagung-Pringsewu in the academic year 2016-2017. The result of preface research shows the necessity on developing Students Worksheet through problem based model. The result of the research shows that the Students Worksheet has already fulfilled the content properness standard and design. The result of trials field shows that Students Worksheet by using LAPS-Heuristic model can facilitate the capability in Mathematics problem solving.Penelitian ini bertujuan untuk mengetahui bagaimana hasil pengembangan LKPD dengan model LAPS-Heuristic dapat memfasilitasi kemampuan pemecahan masalah matematika siswa. Jenis penelitian R D dengan menggunakan model pengembangan Borg and Gall yang dilaksankaan dalam tujuh tahap penelitian, yaitu penelitian pendahuluan, perencanaan, pengembangan desain produk awal, validasi desain, revisi produk, uji coba produk, dan revisi produk. Subjek penelitian ini adalah siswa kelas VIII.B SMP 11 Maret Sumberagung Pringsewu Tahun Pelajaran 2016/2017. Hasil studi pendahuluan menunjukkan adanya kebutuhan dikembangkannya LKPD dengan model berbasis masalah. Hasil penelitian menunjukkan bahwa LKPD telah memenuhi standar kelayakan isi dan desain. Hasil uji coba lapangan menunjukkan bahwa LKPD dengan model LAPS-Heuristic dapat memfasilitasi kemampuan pemecahan masalah matematika.Kata kunci: LKPD, LAPS-Heuristic dan kemampuan pemecahan masalah matematika]]>
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