Tujuan penelitian ini untuk mengetahui efektivitas penggunaan model pembelajaran kooperatif tipe think pair share dipadukan dengan mind mapping ditinjau dari kreativitas siswa kelas viii pada materi faktorisasi suku aljabar. penelitian ini adalah penelitian eksperimen semu dengan populasi siswa kelas viii dan sampel sebanyak 2 kelas. teknik pengambilan sampel menggunakan purposive sampel. teknik pengumpulan data menggunakan dokumentasi, wawancara, angket dan mind mapping. angket dan mind mapping digunakan untuk mengukur kreativitas siswa. teknik analisis data menggunakan one sample t-test dan independent samples test. data angket dan mind mapping di analisis dengan menghitung nilai indeks gain ternormalisasi untuk melihat keefektifan model pembelajaran. untuk analisis inferensial digunakan uji t dalam hal ini menggunakan bantuan software spss 22.0 for window. berdasarkan hasil penelitian menunjukkan bahwa hasil analisis uji one sample t test diperoleh nilai sig. 0,004 < 0,05, maka h0 ditolak yang berarti model pembelajaran kooperatif tipe think pair share dipadukan dengan mind mapping efektif ditinjau dari kreativitas siswa kelas viii smp negeri 6 tarakan. kata kunci: efektivitas, model pembelajaran kooperatif, think pair share, mind mapping, kreativitas

The objective of this study was to know the effectiveness of think pair share cooperative learning model that was combined with mind mapping viewed from the students creativity at eighth grade students on the factorization of algebra part. this research was quasi experiment with the eighth grade students as the population an 2 classes were taken as samples. the samples was using purposive sample technique. the technique of data collection used documentation, interview, questionnaire and mind mapping. questionnaire and mind mapping were used to measure the students creativity. the technique of data analysis used one sample t-test and independent sample test. the questionnaire data and mind mapping were analyzed by counting the index gain normalized for seeing the effectiveness of the learning model. to analyze the inferential analysis was used t test, in this case by using spss 22.0 for windows software. based on the research results showed that the analysis result of one sample t test was gained sig. 0.000 < 0,05, then h0 was rejected which means that think pair and share cooperative learning model was compacted with mind mapping effective observed from the students creativity at eighth grade students of smp negeri 6 tarakan. keywords: effectiveness, cooperative learning model, think pair and share, mind mapping, creativity