LESSON PLAN School Name : Subject : Mathematics Class / Semester : VII / 1 Time Allocation : 2 x 40 minutes (2 meeting) Standard Competence : Understanding the natures of arithmetic operation numbers and their use in solving problems Basic Competence : 1. To do arithmetic operation on integers and fractions 2. To apply the properties of arithmetic operation in solving mathematical problem on integers and fractions Indicators : 1. Explaining the definition of fraction 2. Give examples of various forms and types of fractions (proper, improper, mixed, decimal, percent, per mil). 3. Changing fractions to other fractions 4. Solving arithmetic operations add, less, times, for fractions. A. The Purpose of Learning 1. Students able to understand the definition of fraction 2. Students able to identify the form and types of fraction 3. Students able to change the form of fraction to the form of the other fraction 4. Students able to solve arithmetic operations 5. Students able to apply the material to daily life  Character learners are expected to : • Sila Ketuhanan Yang Maha Esa: Religious, Honesty • Sila Kemanusiaan yang adil dan beradab : Tolerance, Discipline, Curiosity, Joy of reading, Creative, Independent • Sila persatuan Indonesia: Love peace • Sila Kerakyatan yang dipimpin oleh hikmat kebijaksanaan dalam permusyawaratan perwakilan : Democracy, Rewarding Achievement, Communicative • Sila Keadilan sosial bagi seluruh rakyat Indonesia: Hard Work and Responsible. B. Topic Chapter 2 Fraction Subtopic : Arithmetic Operation On Fractions C. Learning Model and Methods 1. Learning Model: Realistic Mathematics Education 2. Methods: a. Lecture b. Question and Answer c. Work together D. Learning Scenario Number Activity 1 2 Opening (10 minutes) - Teacher says greeting and make sure whether the students are ready to study - Teacher asks one of the students to leader the pray - Teacher checks the attendance - Teacher tells the purpose of learning Apperception : Teachers ask questions about fractions. If students forget the teacher recalls concept of fractions Motivation : This material can help the students to solve daily event Main Activity (30 minutes) a. Exploration 1. Teacher explains the material of fraction 2. Teacher divide student become some groups 3. Teacher divide colored paper which formed square to every groups 4. Students are asked to read the instruction in the worksheet and asked if there have not understood yet b. Elaboration 1. Each group discussed the worksheet, as group tasks 2. Student communicates orally or presents their work in front of the class with confidence, while other group to respond. 3. Students who are still difficulties in working on, given the opportunity to ask c. Confirmation 1. Teacher explains things that haven’t known yet 2. Teacher gives awards to each student who is Closing - Students are given homework related with the material which have discussed - Students are asked to learn about the material which have not discussed Close the learning with prayer E. Media and Sources Learning Media • Whiteboard, Color paper, Scissors, Bread Sources Learning • Mathematics Book For Junior High School • The other mathematics book with relevant F. Assessment 1. The Technical of Assessment • Written expression • Show the ability 2. The Form of Instrument • Homework/ task • LKS Semarang, December 16th 2012 The Practicum Student The Practicum Student Yosi Krismawardani Nurul Inayah NIM 11310183 NIM 11310272 Knowing, Lecturer Aryo Andri Nugroho, S.Si, M.Pd