Tujuan penelitian ini adalah untuk mengetahui keefektifan media kartu kata pada model complette sentence terhadap kompetensi menulis karangan sederhana siswa kelas III SDN Mranggen 1. Penelitian ini adalah penelitian kuantitatif. Desain penelitian ini yaitu Pre-Experimental Design dengan bentuk one-group pretest-posttest design. Sampel yang digunakan adalah seluruh siswa kelas III SDN Mranggen 1 yang berjumlah 22 siswa. Data penelitian diperoleh melalui observasi, tes, dan dokumentasi. Berdasarkan dari perhitungan uji-t diperoleh ttabel = 2,08 dan tihitung = 14,837. Jadi thitung>;ttabel, artinya Ho ditolak dan ha diterima. Kesimpulannya bahwa media kartu kata pada model complette sentence efektif terhadap kompetensi menulis karangan sederhana.

Kata kunci: kartu kata, complette sentence, karangan sederhana

Abstract: The purpose of this research aims to know the effectiveness of word card media in the complette sentence model on writing simple articles competence of third grade students of SDN Mranggen 1. This research is quantitave research. The design of the research is Pre-Experimental Design with one group pretest-posttest design. The sample used  all students of class III SDN Mranggen 1 which amounted to 22 students. Reseacrh data obtained through observation, test, and documentation. Based on the calculation of t-test t_table = 2,08 and t_count = 14,837. So t_count > t_table , meaning Ho is rejected and Ha is accepted. It can be concluded that the word card media in the complette sentence model is effective against writing simple articles competence.

Keywords: word card, complette sentence, writing simple articles