<![CDATA[The aim of this research was to produce the worksheet based on problem based learning multiples and factor number subject at the fourth grade of elementary school. This research used Research and Development (RD) method. In collecting data the researcher used questionnaires and multiple choice test. Population in this research is 115 fourth grade of elementary school students in SDN 6 Gedung Air Tanjung Karang Barat Bandar lampung, and 29 students taken as samples by using cluster random sampling. Furthermore, 3 students was taken as personal testing subject, 9 students as small group testing subject, 29 students as field testing subject. Effectiveness test used t test from N-Gain data. Result of this research showed that 1) the developed worksheet based on problem based learning model is proper; and 2) The developed worksheet based on problem based learning effectively can improve studentss learning outcome.Tujuan penelitian ini untuk menghasilkan produk LKPD berbasis problem based learning materi kelipatan dan faktor bilangan kelas IV SD yang layak dan efektif. Metode yang digunakan adalah Research Development (RD). Alat pengumpul data berupa lembar angket dan tes pilihan ganda. Populasi penelitian ini adalah peserta didik kelas IV SDN 6 Gedung air, Tanjung Karang Barat Bandar Lampung sebanyak 115 orang. Pengambilan sampel dilakukan dengan teknik cluster random sampling sebanyak 29 orang. Selanjutnya ditetapkan 3 orang subjek uji perorangan, 9 orang subjek kelompok kecil dan 29 orang uji lapangan. Untuk menguji efektivitas digunakan rumus Uji t dari data N-Gain. Hasil penelitian menunjukkan bahwa: 1) LKPD berbasis problem based learning yang dikembangkan layak digunakan; dan 2) LKPD berbasis problem based learning yang dikembangkan terbukti secara efektif dapat meningkatkan hasil belajar peserta didik.Kata kunci: LKPD, problem based learning, matematika]]>
Copyrights © 2017
