Abstract :
According to school-based curriculum (K-13) there are several types of text learned by
students. Descriptive text is one of the text that students should be achieved. This research aims
to improve students? writing skill in descriptive text by using think talk write strategy at MTs
Negeri 4 Langkat. This study used class room action research as a method. The data of this
research was obtained from 27 grade VIII students and English teacher at MTs Negeri 4
Langkat in the academic year 2019/2020. The instrument of collecting data in quantitative was
test. On the other hand, to complete the data qualitative were taken by interview, observation
sheets, and documentation. The result of post-test showed that the mean was 63,370 and the
mean of post-test was 75,185. It can be concluded that there was an improving on the students?
achievement of writing skill in descriptive text. In the other words, it can said that think talk
write strategy can improve students? writing skill in descriptive text. On the other hand,
students have been able develop their ideas into several sentence, and they are more active
during teaching-learning process. Based on the result, it can be concluded that TTW strategy
is the effective strategy to improve students? writing skill in descriptive text and their
motivation in learning English.