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Journal : Jurnal Infinity

ANALYSIS OF DIDACTICAL CONTRACTS ON TEACHING MATHEMATICS: A DESIGN EXPERIMENT ON A LESSON OF NEGATIVE INTEGERS OPERATIONS Nyiayu Fahriza Fuadiah; Didi Suryadi; Turmudi Turmudi
Jurnal Infinity Vol 6, No 2 (2017): VOLUME 6 NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (708.64 KB) | DOI: 10.22460/infinity.v6i2.p157-168

Abstract

This paper presents an analysis of mathematical teaching that takes place in the classroom to identifying the characteristics of didactical contract that occur as part of a didactical situation. Didactical contract is a way that determines the responsibilities of teachers and students and regulates their interaction in a learning process. Arithmetic operations involving negative numbers are known to have epistemological obstacles that cause student difficulties in solving problems and understand the higher level subject matter. The design experiment was conducted on 31 seventh grade students and a mathematics teacher on negative integer operations lessons. The researchers analyzed the ongoing learning, how the didactic situational stages evolve in the teacher-student interaction that allows the formation of new knowledge or concepts in the student and how the teacher organizes the responsibility for achieving the learning objectives. The Analysis showed that students, at an early stage, can perform negative integers operations by utilizing the basic concepts they get in primary school. This concept can bridge into a new knowledge that identifies the properties of integer count operations and builds power of mind on problem-solving.  
Co-Authors Abd. Rasyid Syamsuri Achmad Amin Setiabudi Aldora Pratama Ali Fakhrudin, Ali Allen Marga Retta, Allen Marga Anna Nurkhasanah Apriani, Frety Nur Arief Kuswidyanarko Ary Prasetya Asnurul Isroqmi Bella Mita Riyani Bella Mita Riyani Budi Utomo Cahyani, Winda Dwi Cahyanti, Windi Dwi Cici Farida Darmayana, Eka Putri Destiniar Destiniar Destiniar Destiniar, Destiniar Destiniar, Destiniar Didi Suryadi Dina Octaria Dina Octaria Ety Septiati Eva Yogie Novianti Fadhilah Fadhilah Fitriasari, Putri Frananda Ayu Julianti Henni Riyanti Henny Riyanti Hidaya, Azakri Rama Irawan, David Budi Isnaini Indah Muthmainah Jayanti, Jayanti Julianti Izza Sufitri Jumroh Jumroh, Jumroh Kuswidyanarko, Arief Lestari, Marlina Ayu Lestaria N, Yunika Lestaria Ningsih, Yunika Liza Fitri Uswatun Khasanah Lorenza, Dela Lusiana Lusiana Lusiana Lusiana Lusiana, Lusiana Margaretha Ervina Sinaga Marhamah Marhamah Marhamah Marhamah Marhamah Mariyani Mariyani Maskunah, Cicih Maulina, Rosita Maya Puspitasari Mei lani Miftah Indasari Misdalina Misdalina Muhammad Fikri Irawan Mulbasari, Anggria Septiani Murjainah M. Murjainah Murjainah Murjainah, Murjainah Neshi Neshi Nila Kesumawati Ningsih, Indah Septi Ningsih, Yunika Lestaria nopi yanti Nora Surmilasari, Nora Oktriani, Larasati Patricia Lubis, Patricia Permata Wulan Sari Portuna, Nanda Dwi Ayu Pratama, Aldora Putri Fitriasari Rahmadianti, Annisa Retta, Allen Marga Reza Gunawan Ria, Aprilyanti Mega Riyanti, Henni Rizky, Nora Rohana Rohana ROHANA ROHANA Sari Indah Pratiwi Sefti Arianti Shinta, Rama Siti Fatimah siti walida sundari, indah Surmilasari, Nora Tariska, Nadia Tika Dwi Nopriyanti tri wahyuni Turmudi Wati, Indah Kartika Widuri, Ratih yanti, nopi