PENGEMBANGAN LEMBAR KEGIATAN PESERTA DIDIK BERORIENTASI PROBLEM SOLVING UNTUK MATERI BILANGAN BULAT KELAS VII SMP NEGERI 4 LEMBANG JAYA

Abstract

The Purpose of tihis research to develop LKPD oriented of problem solving the Bilangan Bulat material that is valid and practic, this research is a Research and Development (R and D) with using ADDIE model. validation is done by 3 validator is 2 mathematicians and 1 linguist. All validators validate the questionaire, validate LKPD, validate the lesson plans (RPP) and fill out the questionaire of the educational practitioner and the leaners. Furthemore trials conducted on student of class VII SMPN 4 Lembang Jaya. Tje collected data were analyzed descriptively. The validity of LKPD resulting from the material content, presentation and languange aspects reached the valid criteria with 84% valueand the practicability by the teacher with the value of 89,74% with practical criterion and practically of 89,78%  leaner with practical criteria. The conclusions is produced LKPD mathematics problem solvingoriented subject Bilangan Bulat for student class VII SMPN 4 Lembang Jaya with valid and practic.