By : Dr. Marsigit
Concluded Remark : Berliyanti Handayani / 10305144029 / Matematika Swadana 2010
(ntiberliiy.blogspot.com)
Realistic mathematics stressed to construction of concrete objects context as a starting point for students to obtain mathematical concepts. Concrete objects and environment about objects can be used as the context of learning mathematics in building linkages mathematics through social interaction.
In the Guidelines, the development of the learning KTSP mentioned that mathematics can be started with the introduction of the issue in accordance with the situation (contextual problem). By raising the issue contextually, learners gradually guided to master math concepts. The purpose of learning fractions in junior high can be mentioned as follows:
1. Solve the problem and found a number of contextual concept of contextual issues which broke solved.
2. Understand the concept of number, description of how intercultural concept and apply the concept of number is supple, broke out, accurate, efficient, and precise, in resolution.
3. Using reasoning patterns and properties, the performed manipulations and make generalizations about the number of breaks.
4. Communicating the concept and use of the number of breaks.
5. Have the attitude of valuing the usability numbers break out in everyday life.
Fractional number it can be inferred through PMRI :
Students :
1. Students need to be given the opportunity to explore and reflect on the alternative concept of fractional numbers ideas that influence learning next.
2. Students need to be given the opportunity to explore and gain new knowledge about fractions by forming knowledge it for himself.
3. Students need to be given the opportunity to gain knowledge as a process of change that included the addition, modification, creation, feathered, reconfiguring and rejection.
4. Students should be given the opportunity to gain new knowledge about fractions that are built by students for itself comes from a variety of experience.
5. Students need to be given the opportunity to understand, work out and implement the fractions.
Teachers need to revitalize itself so that:
1. As a facilitator.
2. Able to develop learning interactively
3. Able to provide opportunities to students to actively.
4. Being able to develop curriculum and syllabus and actively associate curriculum with real world, either physical or social.
5. Being able to develop learning scenarios :
a. scheme of Interaction: Classical, group discussions, Individual Activity,
b. scheme Achieving Competence: Motivation, attitudes, Knowledge, Skill, and experience
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