Nowadays, English has become an important thing in life since it became an international language. People have known that they use spoken and written words every single day to communicate with others. Vocabulary is a basic and important thing to learn. This study was conducted to answer the two formulated research questions which are: Is the vocab drilling method effective in improving students' vocabulary mastery at second-grade students of MTs Fatahillah Semarang and is there any significant difference scores before and after being taught by using vocab drilling method.
This research was classified as quasi- experimental research. It involved 34 students of 8th class. The instrument used to collect data in this research was test. The researcher found that there was significant difference between the students’ score in pre-test and post-test section on class. The result of the study showed that Students was more active and enjoyable when aching learning process conducted by flashcards. It was proved by students’ mean score of post-test section was higher than pre-test section. The mean score of post-test are 84. While in pre –test was 77. The data were analyzed by t-test to find out the use of flashcards effective on students’ vocabulary or not. The researcher obtained that t-value 52,17 was higher than t-able 2,457 in the significant level of 12%.