This Author published in this journals
All Journal Jurnal Elemen
Herdiman, Indri
Universitas Hamzanwadi

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

Kemampuan Representasi Matematis Siswa SMP pada Materi Kekongruenan dan Kesebangunan Herdiman, Indri; Jayanti, Koentri; Pertiwi, Kholifia Ayuning; Naila N., Resti
Jurnal Elemen Vol 4, No 2 (2018): Jurnal Elemen
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (403.198 KB) | DOI: 10.29408/jel.v4i2.539

Abstract

The ability of the mathematical representation is the ability to create a model of a problem into a new form of verbal, text, tables, or graphs. The research is a qualitative descriptive study aimed to systematically describe the capabilities of mathematical representation. Data collection techniques in this study conducted using tests such as about the description, the test is given to students of class IX in one of the Junior High School in the city of Cimahi with 37 students. The results showed that the ability of the mathematical representation of students on the material for the indicator congruence and similarity of words or text are at less qualification with the percentage of students average score of 43%. Indicators visual representation including sufficient qualification with the percentage of students average score of 60%. On the indicator equations or mathematical expressions including the qualification is very less with the average percentage score of 34.75%. Difficulties faced by students predominantly found in Question 2b, 4b with the kind of test containing indicator words or text and Question 4c with indicators equations or mathematical expressions.
Adversity Quotient (AQ) dan Penalaran Kreatif Matematis Mahasiswa Calon Guru Hidayat, Wahyu; Herdiman, Indri; Aripin, Usman; Yuliani, Anik; Maya, Rippi
Jurnal Elemen Vol 4, No 2 (2018): Jurnal Elemen
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (184.926 KB) | DOI: 10.29408/jel.v4i2.701

Abstract

This study is experimental research that aims to know and examine in depth about the influence of AQ of pre-service mathematics teacher toward the achievement of mathematical creative reasoning ability. The population of this study is the pre-service mathematics teacher in Cimahi City, West Java, Indonesia; while the sample is 60 pre-service mathematics teachers selected purposively. The instruments of this study are tests and non-tests. They are based on the assessment of good characteristics towards students mathematical creative reasoning abilities, while the non-test instrument is based on the assessment of good characteristics towards AQ. The results of this research show that: (1) AQ gives positive influence to the development of mathematical creative reasoning ability of pre-service mathematics teacher with the influence of 60.9%, while the rest of it (39.1%) is influenced by other factors outside AQ; (2) The mathematical creative reasoning ability of the prospective teacher students is more develop in AQ Climber type, whereas students who have Camper and Quitter AQ types still tend to have thinking patterns in solving problems with imitative reasoning; (3) Students belonging to the Quitter AQ type still tend to have errors related to the idea of solving problems and mathematical expressions.