ABSTRACT The aims of this research were to investigate (1) Do the students used negotiation of meaning in the two types of the tasks i.e., jigsaw and information gap, (2) the component of negotiation of meaning mostly used by students in two types of the tasks, and (3) the differences of negotiation of meaning in the students’ conversation in both tasks. The method of this research was qualitative descriptive research. The subjects of this research were 30 students of XI science 1 SMAN 1 Pasir Sakti. The result of the study showed that (1) the students used negotiation of meaning on their conversation, (2) the jigsaw task led to the highest negotiation of meaning in terms of trigger, while the information gap task resulted in negate response (RN) most frequently by contrast to the jigsaw task, and (3) there were differences of negotiation of meaning in both types of the tasks. This indicates that the of different tasks facilitate the students to negotiate the meaning.