<![CDATA[The purpose of this research is PBL based worksheets product development, know the effectiveness, and knows the difference learning outcomes students who use lkpd based model pbl subtema let’s love the environment. The type of research used is research and development. The population of this study is 246 are fourth grade students at SDN 2 Palapa. Data collection techniques are observation, questionnaires, interviews, checklist methods, documentation, and special tests. This research product of PBL based worksheets the sub theme Let’s Love the Enviroment Beings which effectively improve the learning result of fourth grade students of elementary school. Student’s learning outcomes given by PBL based worksheets model are average pretest of experimental class learning 68.43 with standard deviation 5.88. Meanwhile, the average postest 86.50 with a standard deviation 6.51. The average of learning result of pretest of control class 61.83 with deviation standard 7.30. And the average postest 78.16 with a standard deviation 7.34.Tujuan penelitian ini pengembangan produk LKPD berbasis PBL, mengetahui efektifitas, mengetahui perbedaan hasil belajar siswa yang menggunakan LKPD berbasis model PBL di SDN 2 Palapa. Jenis penelitian yang digunakan adalah penelitian dan pengembangan. Populasi penelitian ini adalah siswa kelas IV berjumlah 246 orang. Sampel 60 siswa. Teknik pengumpulan data observasi, angket, wawancara, metode ceklist, dokumentasi, dan tes khusus. Penelitian ini berupa produk LKPD berbasis PBL subtema Ayo Cintai Lingkungan yang efektif meningkatkan hasil belajar siswa kelas IV sekolah dasar. Hasil belajar siswa yang diberikan LKPD berbasis model PBL yaitu rata-rata pretes hasil belajar kelas eksperimen 68,43 dengan standar deviasi 5,88. Sedangkan, rata-rata postes 86,50 dengan standar deviasi 6,51. Rata-rata hasil belajar pretes kelas kontrol 61,83 dengan standar deviasi 7,30. Dan rata-rata postes 78,16 dengan standar deviasi 7,34.Kata kunci: LKPD, PBL, hasil belajar]]>
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