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PENGARUH ACTIVE KNOWLEDGE SHARING TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA KELAS VIII SEKOLAH MENENGAH PERTAMA Nurdiana, Aty; Haryanto, Haryanto
Lentera: Jurnal Ilmiah Kependidikan Vol 12 No 2 (2019): Lentera
Publisher : LPPM STKIP PGRI Bandar Lampung

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The purpose of this study was to determine the effect of Active Knowledge Sharing learning strategies on mathematical communication skills of seventh grade students in the middle semester of Middle S 1 Sungkai. The method used in this study is the experimental method by conducting research directly using the Active Knowledge Sharing strategy in the experimental class and conventional learning in the control class. The population in this study were all students of class VIII Even Semester 1 of South Sungkai Middle School which consisted of 5 classes with a total of 208 students, while the sample was taken by two classes namely class VIII.2 as the experimental class, and class VIII 3 as the control class. Then the two classes were given a test in the form of an essay test of 5 questions which were first tested for validity and reliability. Hypothesis testing in this study using the t-test formula with the value t=6.16 and from the distribution table t at a significant level of 5% it is known that t=1.99, t> t so that it can be concluded that "There is an influence of the application of Active Knowledge Sharing learning to mathematical communication skills of eighth grade students of the semester of South Sungkai 1 Middle School 2017/2018 school year".

UPAYA MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR MATEMATIKA MELALUI MODEL NUMBERED HEAD TOGETHER (NHT) PADA SISWA KELAS VIII SMP PGRI 3 BANDAR LAMPUNG Nurdiana, Aty; Haryanto, Haryanto
Epsilon: Jurnal Pendidikan Matematika Vol 1 No 1 (2019): Epsilon: Jurnal Pendidikan Matematika
Publisher : LPPM STKIP PGRI Bandar Lampung

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This study relates to the lack of optimal activity and learning outcomes of class VIII students of SMP PGRI 3 Bandar Lampung. The aim is to improve the activities and results of learning mathematics through the Numbered Head Together (NHT) learning model. The research conducted was classroom action research through 3 cycles using the NHT learning model. Based on the results of the study, there was an increase in the activities and learning outcomes of students from before the implementation of the study until after the research was conducted. The average activity of students at the time before the study was 52.31% and the percentage of completeness was 8.33%. In the first cycle the average student activity increased to 60.77% with a percentage of completeness of 66.67%. The average activity of students in cycle II increased again to 68.08% with the percentage of completeness reaching 75.00%. In the third cycle the average activity of students became 79.62% and the percentage of completeness was 83.33%. Based on these results, it can be concluded that the NHT learning model is more effectively used in an effort to improve the activity and learning outcomes of class VIII students of SMP PGRI 3 Bandar Lampung.

PENGARUH MODEL DISCOVERY LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA PADA SISWA KELAS X IPA Nurdiana, Aty
Epsilon: Jurnal Pendidikan Matematika Vol 1 No 2 (2019): Epsilon: Jurnal Pendidikan Matematika
Publisher : LPPM STKIP PGRI Bandar Lampung

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Abstract: The problems discussed in the study relate to the ability to solve mathematical problems in the X graders of science in the even semester of SMA Negeri 3 Bandar Lampung, which are still low. Based on this, this study aims to determine the effect of the Discovery Learning model on the ability of mathematical problem solving in class X science students of Even Semester SMA Negeri 3 Bandar Lampung in the Academic Year 2017/2018. The method used in this research is the experimental method. The population in this study were all students of class X IPA in the even semester of SMA Negeri 3 Bandar Lampung in the academic year 2017/2018, which were spread in 6 classes with a total of 206 students. From the population, two classes were taken as the research sample, namely class X IPA 2, amounting to 30 students as the control class and X IPA 4, amounting to 35 students as the experimental class. The sampling technique used is the Cluster Random Sampling technique. Measurement of variables using a test in the form of a description of 5 questions that were first tested for validity and reliability. Data analysis uses simple statistical analysis with the t-test formula. Based on the results of hypothesis testing, obtained thit = 5.24 and from the distribution table at a significant level of 5% with tdaf = t (1-1/2Î±) = 1.67 so that it is known thit> tdaf or can be written 5.24> 1.67 . Thus it can be concluded "There is an effect of the Discovery Learning model on the ability to solve mathematical problems in class X science students in the even semester of SMA Negeri 3 Bandar Lampung in the academic year 2017/2018".

PENGARUH STRATEGI PREDICTION GUIDE TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS VIII SMP UTAMA 3 BANDAR LAMPUNG Nurdiana, Aty; Kirana, Arinta Rara
Epsilon: Jurnal Pendidikan Matematika Vol 2 No 1 (2020): Epsilon: Jurnal Pendidikan Matematika
Publisher : LPPM STKIP PGRI Bandar Lampung

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The problems that were examined in this research pertaining to less account of the results that students are learning mathematics. The purpose of this research is to find the learning strategy guide prediction for the students learn math ability of class VIII of SMP UTAMA 3 Bandar Lampung in the academic year 2018/2019. The research uses experimental methods to the population in this research is all students ability of class VIII of SMP UTAMA 3 Bandar Lampung, its consisting of 3 class to the total number of 83 students, The sample was taken two classes viii-b class as a class the experiment apply prediction guide strategy And viii-c class as a class control a conventional learning. Sample taken using a technique clusters of random sampling. To know mathematics students writer test in the form of an essay as many as 10 the first has been tested validity and reliability. The testing of hypotheses on this research using formulas t-hit. The results of the testing of hypotheses using formulas statistic t-hit = 9,40 obtained the t. From table distribution t on significant standard known t = 5 % = 2,00 then so which means the average learning outcomes mathematics students who use prediction guide strategy be higher than the average learning outcomes mathematics students who use conventional kind of classroom From the above it can be concluded guide prediction that strategy can and have had a positive impact of the results of learn math.

PENGARUH MODEL PEMBELAJARAN KOOPERATIF TEKNIK BERKIRIM SALAM DAN SOAL TERHADAP HASIL BELAJAR MATEMATIKA SISWA SMP Nurdiana, Aty; Kirana, Arinta Rara
Epsilon: Jurnal Pendidikan Matematika Vol 2 No 2 (2020): Epsilon: Jurnal Pendidikan Matematika
Publisher : LPPM STKIP PGRI Bandar Lampung

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Abstract: The problems discussed in this study are related to the low mathematics learning outcomes of students in class VIII of SMP Negeri 3 Trimurjo, Central Lampung. Based on this, this study aims to determine whether the cooperative learning model of Sending Greetings and Questions has an effect on the mathematics learning outcomes of eighth grade students of SMP Negeri 3 Trimurjo, Central Lampung. This research is using experimental method. The population in this study was class VIII SMP Negeri 3 Trimurjo Central Lampung which consisted of 3 classes with a total of 94 students and samples from each class amounted to 34 students as samples in the experimental class and 34 students as samples in the control class. Samples were taken using cluster random sampling technique. The instrument in this study used an essay test consisting of 10 items. The results of hypothesis testing using t-test and obtained thit = 9.48 and from the total distribution of t at a significant level of 5% it is known that t(1-Î±) = 2.00. It is proven that thit > tdaf so that it can be concluded that there is an influence of the cooperative learning model of the technique of sending greetings and questions on the Mathematics Learning Outcomes of Class VIII SMP students.

PENGARUH MODEL PEMBELAJARAN COOPERATIVE TIPE JIGSAW TERHADAP KEMAMPUAN KONEKSI MATEMATIKA SISWA SMP Nurdiana, Aty
Epsilon: Jurnal Pendidikan Matematika Vol 3 No 1 (2021): Epsilon Jurnal Pendidikan Matematika
Publisher : LPPM STKIP PGRI Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52217/epsilon.v3i1.961

The problem in this study is related to the low ability of students'mathematical connections. Therefore, the purpose of this study was to determinethe effect of the Jigsaw Cooperative learning model on the mathematicalconnection abilities of class VIII students in the even semester of SMP Negeri 3Bandar Lampung in the 2020/2021 school year. This study uses experimentalmethods, as well as data analysis using parametric statistical formulas. Thepopulation in this study were all students of class VIII SMP Negeri 3 BandarLampung which consisted of 10 classes with a total of 314 students, while thesample was taken 2 classes, namely class VIII B as the experimental class whichamounted to 35, and class VIII A as the control class which amounted to 33 Thesample was taken using the Cluster Random Sampling technique. To determine thestudents' mathematical connection ability, it was measured using a test in the formof an essay as many as 5 questions which had been tested for validity and reliability.Hypothesis testing in this study used the t-test formula. From the results ofhypothesis testing using the t-test statistical formula, the value of t hit = 2.47 isobtained. From the t distribution table at a significant level of 5%, it is known thatt daf = ????(1âˆ’????)= 1.67, which means that t hit > t daf is 2.47 > 1.67, so it can beconcluded that there is an effect of the Jigsaw learning model on the mathematicalconnection abilities of class VIII students in the even semester of SMP Negeri 3Bandar Lampung in the 2020/2021 school year. This situation can also be seenfrom the average value of students' mathematical connection abilities where theexperimental class has an average value of 77.37 and the control class has anaverage value of 68.67.Keywords: Jigsaw cooperative type, mathematical c

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