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Delsi. K
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Education Mathematics

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PENGARUH PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TEKNIK NUMBERED HEADS TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMPN 28 PADANG Novita, Resi; K, Delsi.; Fitri, Dewi Yuliana
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research was conducted based on the fact that the students’ understanding on mathematics concept was still low and the students prefer to study in group, but the result is not appropriate with expectation. This research was aimed at revealing whether the use of cooperative learning Numbered Heads technique could improve the second year students’ understanding on mathematics concept better than that of conventional learning. Type of this research is experimental research which using Random subject as research design. The populations in this study were eighth grade students of SMP 28 Padang academic year 2013/2014. By using technique of Random sampling, the sample was selected the class VIII4 as experimental class and VIII6 as control class. This study used post-test as instrument to measure the students’ understanding mathematical concepts. The form of post-test is essay with a reliability r11 = 0,87 . The data analysis technique used t –test by using MINITAB. Based on the analysis of the data found that the two classes are normally distributed and homogeneous samples at the level of 95 % with α = 0.05 . Hypothesis test results obtained P - value equal to 0.015 means less than α = 0.05 , then the hypothesis in this study received so it can be concluded that the students understanding of mathematical concepts by using cooperative learning Numbered Heads technique is better than student understanding of mathematical concepts by conventional teaching class VIII SMP 28 Padang
PENGARUH PENERAPAN MODEL LEARNING CYCLE DISERTAI PERTANYAAN DITEMPEL TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS XI SMA NEGERI 15 PADANG TAHUN PELAJARAN 2013/2014 Zahara, Rina; K, Delsi.; Haryono, Yulia
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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The research of this background is based on the students understanding of mathematical concepts have minimum level, in pre-teaching,  the teacher do not generate interest of the students and do not give motivation to the students, students tend to be passive and reluctant to ask. The aims of This study is to determine whether students understanding of mathematical concepts by applying the Learning Cycle models are better than student understanding of mathematical concepts by applying conventional learning in class XI students of SMA Negeri 15 Padang. Type of this research is experimental research, the researcher choose the sample of research using Random Subjects . The population of this study was four class of XI IPA students of SMA Negeri 15 Padang academic year 2013/2014. The sample was IPA2 class as the experimental class  and class XI IPA1 as the control class. The Instruments that used in this research is a test of understanding mathematical concepts. Based on the analysis of the data found that the two classes are normally and homogeneous samples at α = 0.05 and the results obtained from testing the hypothesis P-value = 0.007 means less than α = 0.05, so it means that the hypothesis in this study is received . It can be concluded that the students understanding of mathematical concepts that apply the Learning Cycle Model with taped questions better than students understanding of mathematical concepts by applying conventional learning in class XI student of SMA Negeri 15 Padang.
PENERAPAN STRATEGI BELAJAR AKTIF TIPE GROUP TO GROUP DIIRINGI COLLEGE BALL PADA PEMBELAJARAN MATEMATIKA SISWA KELAS VIII SMP N 3 KOTO XI TARUSAN KABUPATEN PESISIR SELATAN Putri, Lara Mulya; ZA, Nilawasti; K, Delsi.
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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The background of this research is student’s achievement in mathematic is law under the KKM (minimal achievement criteria), This probiem caused by the student’s understanding about the concept mathematic they lost the concept in their memory quickly. The purpose of the research to know is the student achievement in mathematic by using Group To Group active learning strategy and College Ball better than convensional learning for students grade VIII  SMPN 3 Koto XI Tarusan in 2011/-2013.The type of research is experimental. The study population were student’s of class VIII SMPN 3 Koto XI Tarusan in 2012/2013. Technique of random sampling. This research instrument is the achievement test. The form used is the essay test, a reliability test r11= 0,72. The data analysis technique used is t-test of one part with the help of software MINITAB. The result of hypothesis test obtained P-Value = 0,009 is less than α = 0,05, then the hypothesis in this research received. In conclusion, student’s achievement in mathematic by using Group To Group active learning strategy and College Ball  better than conventional learning
PENGARUH PENERAPAN STRATEGI THINK PAIR SQUARE TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMPN 17 PADANG Winda, Elvica Elva; Rahmi, Rahmi; K, Delsi.
Pendidikan Matematika Vol 2, No 1 (2013): Jurnal Mahasiswa Prodi Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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The background of this understanding mathematical concept still a lower class the learning prosess in centered on the teachers and discussion method dont to give satisfying achievement. This study aims to determine whether student’s understanding of mathematical concept by applying methods of Think Pair Square is better that student’s understanding  learning prosses conventional of class VIII SMPN 17 Padang regency in 2012/2013. This type of research is the design of experimental, with the population of this research is student’s in class VIII SMPN 17 Padang that consist of all class. Sample of this research is student’s in class VIII.8 that has been chosen as experimental and the class VIII.9 control class. The instrument that is used in the research is final test in the from of essays. Technique of data analysis is using one side t-test based on the result of data analysis, on average class experimental is 75, 85 and control class is 61, 59. Hypothesis test is gotten that P-value 0, 000 is smaller that α = 0, 05, because P-value < α, with reliability of the test is 0, 7611, so to push H0 and to receive H1. It can be concluded that the student’s comprehension of mathematical concepts with the application strategy of Think Pair Square is better that student’s understanding learning prosses conventional credibility level 95%.
PENGARUH PENERAPAN MODEL PEMBELAJARAN AKTIF TIPE MIND MAPPING TERHADAP HASIL BELAJAR SISWA DALAM PEMBELAJARAN MATEMATIKA KELAS VIII MTsN BATANG KAPAS TAHUN PELAJARAN 2013/2014 Pianti, Nova Depita; Rismen, Sefna; K, Delsi.
Pendidikan Matematika Vol 2, No 2 (2013): Jurnal Wisuda Ke 47, Genap 2013-2014 Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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This research was motivated by the mathematics learning outcomes achieved by students of class VIII MTsN Batang Kapas is still below the minimum completeness criteria (KKM). The purpose of this study was to determine whether the average ability of students mathematics learning outcomes by using a Mind Mapping learning strategy type is better than the average results of students mathematics learning with conventional learning in class VIII MTsN batang Kapas.This research is a kind of experiment . The population in this study were all eighth grade students enrolled MTsN Batang Kapas in the school year 2013/2014 . whereas the sample in this study is as experimental class VIII A and VIII D as the control class . The instrument used is the achievement test . The form of an essay test that is used with a reliability of 0.81. Technique analysis achievement test prepared by t. Analyses data performed with the help of MINITAB software , obtained from the calculation of P - value = 0.009 is less than α = 0.05 . Therefore we can conclude the average mathematics achievement of students with learning strategy type using Mind Mapping is better than the average results of students mathematics learning with conventional learning in class VIII MTsN Batang Kapas 2013/2014 .
PENGARUH PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMPN 1 RANAH BATAHAN TAHUN PELAJARAN 2012/2013 Sanra, Fefri; Nasution, Minora Longgom; K, Delsi.
Pendidikan Matematika Vol 2, No 1 (2013): Jurnal Mahasiswa Prodi Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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In this research , as background of the study is low achievement of student in SMPN 1 Ranah Batahan. The purpose of study is to determine: whether are the result of using cooperative type Think Pair Share is better than using the conventional learning in the teaching process. The kind of study is experimental research. Population of the study was VIII grade of SMPN 1 Ranah Batahan especially academic years 2012/2013. The researcher chosen the sample by using random sampling technique, the samples were VIII.3 and VIII.1. In collecting data, the researcher used the instrument by giving achievement test. The test is essay form that has reliability about = 0,89. In addition, analyzing data that had been done by using t test. Based on the hypothesis testing is gotten P-value = 0,010 < . In this case, the hypothesis can be received. It can be concluded that using cooperative type of the Think Pair Share is better than using conventional learning in teaching process.
Co-Authors Dewi Yuliana Fitri Elvica Elva Winda Fefri Sanra Lara Mulya Putri Minora Longgom Nasution Nilawasti ZA Nova Depita Pianti Rahmi Rahmi Resi Novita Rina Zahara Sefna Rismen Yulia Haryono