<![CDATA[The purpose of this research is to obtain a description in the implementation of Polya phase in Problem Based Instruction model which can increase the studentsâ ability to solving the word problem about rectangular in VII SMP Negeri 7 Palu. Type research is of classroom action research. Plan of this research is based of Kemmis and Mc. Taggart. Based on the result of the research, learning to use Polya phase in Problem Based Instruction model which can increase the studentsâ ability to solving the word problem about rectangular in VII SMP Negeri 7 Palu, those are: 1) studentâs orientation to the problem; 2) organize studentâs to study; 3) guiding individual or group investigation; 4) developing and presenting the work; 5) analyzing and evaluating the problem solving process. Stage of guiding individual or group investigation Polya contains four phase, that is: a) understanding the problem, b) devising plan, c) carrying out the plan, and d) looking back. ]]>
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