Development of Matiklopedia Based Character Building in Yunior High School

Effect of rapid development era is greatly influenced lifestyle and socio-cultural aspects in society. Various regulations have been made in order to with stand the negative effects of globalization in Indonesia, but acts of violence, drugs, corruption, collusion and nepotism are rampant in society, therefore education is an effective means to inculcate values and attitudes of non-violence, anti-drug, anticorruption early age, especially age 12-15 years their junior high school because forerunner to the progress of this nation, among the learners is very close to the media application, but media that is not touched by the needs of their everyday character, therefore it is very media needed that can improve the character of both students, one of them by using Matiklopedia media, because the media is expected to motivate the students to better understand the problems posed and can lead to imagination and creative thinking to prepare stimulus. This study aimed to develop the learning of mathematics with a medium term Matiklopedia which is based on character education for junior high school students. In accordance with these objectives, the type of study is a research development (educational research and development) by Plomp (1997) and modified Borg and Gall, which includes five phases: (1) initial research (preliminary phase investigation), (2) design (design phase), (3) realisaasi / construction (phase realization / construction), (4) testing, evaluation and revision, (phase test, evaluation & revition) and (5) implementation (implementation phase). In this first year has produced Matiklopedia the initial design has been validated by experts and media materials to the value of the matter experts with the percentage 90% are excellent and validation of media experts with a percentage score of 96.75% are excellent, but there was still construct validated by student SMP 1 and SMP 2 Semarang.