INGGRID E. HANAS Pengarang NOVRIANI RABEKA MANAFE Dosen Pembimbing 2 John W. Haan Dosen Pembimbing 1 Alexander Home Kabelen Ketua Penguji Novriani Rabeka Manafe Penguji 2 John. W. Haan Penguji 1

This research is entitled: Teaching Vocabulary Using Duolingo To Fifth-Grade Students of Tunas Gloria Elementary School. Teaching English for beginners requires certain techniques. The purpose of this research is to find out How teachers teach Vocabulary Using Duolingo to Fifth-Grade Students of Tunas Gloria Elementary School, to know how effective is the use of Duolingo in Teaching Vocabulary to Fifth Grade Students of Tunas Gloria Elementary School, to find out the strengths and weaknesses of using Duolingo in teaching vocabulary using Duolingo to the fifth grade of Tunas Gloria Elementary School. This research used a Qualitative method, in this research the writer focused on observation in the classroom between teachers and students who used Duolingo as a technique in learning English vocabulary, teacher needs a laptop, projector and loudspeaker and teacher ensures the laptop is connected to an internet connection. At the end of the lesson teacher gave test, children can understand learning using Duolingo, not only are they active in class but also during tests in computer students do well, It has been proven to be effective using Duolingo to teach vocabulary. Keywords: Duolingo, Elementary School, Teaching, Vocabulary.