The purpose of this research was to describe the type and function of play on language in Indonesian Club Lawak (ILK) event in Trans 7. This research was a qualitative research using descriptive method. This research data are a words or combination of words which are punned in Indonesia Club Lawak (ILK) show in Trans 7. Data source in this research were Indonesian Club Lawak (ILK) event which is broadcasted on television station Trans 7. Data are analyzed by following steps : (1) transcribing the downloaded data into written language, (2) identifying the data, (3) classifying the data into plesetan types and plesetan functions, (4) analyzing the data according to the research objectives, (5) do the discussion, (6) summarizes the findings of the study, and (7) reporting the findings of the study. Keywords: puns, type and function, Indonesia Lawak Klub (ILK)

Mathematical communication in elementary schools is very low. To overcome these problems an effective approach is needed. This research of communication aims at mahtematics to improve the ability to use a realistic mathematical education approach (PMR)in the material of angular measurement in grade IV SD Kartika Kota Padang. This research is a classroom actin research that uses a qualitative and quantitative approach. Conductedin two cycles, with three meetings covering four stages, namely planning, implementation, observation, and refelction. The subjects were teacher and students of class IV SD Kartika 1-11 Kota Padang numbered 20 people. The results showed that there was an increase in the average mathematical communication sklills of students in the first cycle of 74,2 to 88,3 in the second cycle using a realistic mathematics education approach.