<![CDATA[Abstract. The research aims to know the application of Two Stay Two Stray teaching for decrease studentâs mistakes for surface area and volume of the beam topic at eight grade of junior high school. Two Stay Two Stray teaching provide an opportunity for groups to share results and information with other groups. The subject of research is students of VIII B class SMPN 7Jember in even semester academic year 2012/ 2013. The kinds of studentâs mistakes consist of error using data, error of theorem or definition, technical errors, and another mistakes. This research design is Classroom Action Research (CAR) and the method of data collecting using observation, interview, test and documentation. The result of research indicate that the result of learning activity increase of studentâs activity in cycle I reach 73,06% whereas in cycle II reach 85,39% . While the studentâs mistakes at cycle I reach 71.88% and cycle II 17,43%. So, the mode of teaching can increase studentâs activity and decrease the studentâs mistakes.
Key Words : Two Stay Two Stray teaching, survace area and volume, beam, studentâs activity, studentâs mistakes]]>
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