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PENGARUH METODE TEAM QUIZ TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA PADA SISWA KELAS VII SEKOLAH MENENGAH PERTAMA Alamsyah; Hesti Noviyana
Epsilon: Jurnal Pendidikan Matematika Vol. 1 No. 1 (2019): Epsilon
Publisher : Prodi Pendidikan Matematika, STKIP PGRI Bandar Lampung

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The purpose of this study is to find the influence of a method of quiz the rest of the team in the ability of the math problem solving a student of class vii the first half the even junior high school nusantara bandar lampung. This study uses experimental methods with a population of all students vii of the junior high school nusantara. bandar lampung. Were selected from consisting of two classes; viia class as a class the experiment was a total of 32 students and class viib as a class control which consisted of 32 student. Samples taken by using clusters of random sampling. The ability of problem solving students dites using tests essays about 10 about who first tested validity and reliabilitasnya.The testing of hypotheses uji-t. it uses in research. Based on the results of the data analysis using formulas t-tes obtained t-hit = 2,85, from table distribution t the first significant 5 % known t = 1,67 test criteria thit > tdaf; t-daf hypothesis Ho rejected, means Ha accepted, so it can be concluded there an effect the application of a method of the rest of the team in the ability of the quiz the solution of the problems mathematics to their students class vii the even junior high school nusantara bandar lampung in 2016/2017.

PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE MAKE A MATCH TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA KELAS VII SMP Hesti Noviyana
Epsilon: Jurnal Pendidikan Matematika Vol. 1 No. 2 (2019): Epsilon
Publisher : Prodi Pendidikan Matematika, STKIP PGRI Bandar Lampung

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The research was carried out based on problems in the form of low students' mathematical problem solving abilities. The purpose of this study is to analyze the effect of the Make a Match type of cooperative learning model on the mathematical problem solving ability of seventh grade students of SMP. Research using quasi-experimental methods. The research population is all grade VII students of SMP Negeri 7 Bandar Lampung. Samples were taken as many as 2 classes, namely class VII.6 as an experimental class totaling 30 students, and class VII.7 as a control class totaling 29 students. The sample was taken using the Cluster Random Sampling technique with a lottery procedure. This technique is carried out, because remembering that each of the eighth grade at SMP Negeri 7 Bandar Lampung has the same average ability. The students' mathematical problem solving abilities were measured by tests in the form of a description of 5 questions. Hypothesis testing using t-test with a value of = 8,72. From the distribution table t at a significant level of 5%, it is known that means which is 8.72>2.00, so it can be concluded that there is an influence of cooperative learning models Make a Match type to the mathematical problem solving ability of VII grade students of SMP Negeri 7 Bandar Lampung.

PENGARUH STRATEGI PRACTICE REHEARSAL PAIRS TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS VIII SMP AL-AZHAR Buang Saryantono; Hesti Noviyana
Epsilon: Jurnal Pendidikan Matematika Vol. 2 No. 1 (2020): Epsilon
Publisher : Prodi Pendidikan Matematika, STKIP PGRI Bandar Lampung

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The problem studied in this study is the low ability to solve mathematical problems, therefore the study aims to determine the effect of the Practice Rehearsal Pairs learning strategy on the mathematical problem solving ability of students of the VIII Even Semester SMP Al-Azhar 3 Bandar Lampung in the 2018/2019 Academic Year. Research using experimental methods. The population in the study were all students of class VIII Al-Azhar 3 Middle School Bandar Lampung consisting of 7 classes with a total of 251 students, while the sample was taken 2 classes namely class VIII C as an experimental class totaling 32, and class VIII C as a control class amounting to 34. The sample was taken using the Cluster Random Sampling technique. To find out the ability to solve mathematical problems students are measured by tests. Hypothesis testing uses t-test with a value of t = 12,62. From the distribution table t at a significant level of 5%, it is known that t = = 2,00 means t > t , so it can be concluded that "There is an influence of the Practice Rehearsal Pairs learning strategy on the mathematical problem solving ability of students of class VIII Even Semester Al-Azhar 3 Middle School in Bandar Lampung 2018/2019 Academic Year".

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) PADA MATERI SEGITIGA DAN SEGIEMPAT DENGAN PENDEKATAN MATEMATIKA REALISTIK INDONESIA (PMRI) Birgita Titania Riliyanti; Hesti Noviyana
Epsilon: Jurnal Pendidikan Matematika Vol. 2 No. 2 (2020): Epsilon
Publisher : Prodi Pendidikan Matematika, STKIP PGRI Bandar Lampung

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Abstract: The research aims to (1) produce LKPD products using the Indonesian Realistic Mathematics (PMRI) approach to grade VII (2) improving the math learning outcomes of grade VII students using LKPD with the Indonesian Realistic Mathematics Approach (PMRI). This type of research is development research. The stages in the research are analysis, design, development, implementation, and evaluation. Product validation is carried out by 6 expert lecturers in accordance with the field Then LKPD is given a practical questionnaire to be responded to by students of grade VII SMP Advent Bandar Lampung in LKPD product trials. The material expert validation results in the aspect of material suitability with KD, material accuracy, image accuracy, material order, and aspects of PMRI characteristics all obtained a value of 4 with valid criteria. Validation of media experts in both the aspect of the cover design and the content design obtained a value of 3 with fairly valid criteria. Validation of language experts on aspects of sentence structure accuracy, understanding of messages and information obtains a value of 4 with valid criteria. After using LKPD that has been developed students experienced improved math learning results from 13% to 76%. Thus the Triangular and Rectangular LKPD with PMRI approach to class VII deserves to be used as a teaching material. Keywords: development, lkpd, pmri.

EFEKTIVITAS PENDEKATAN REALISTIC MATHEMATICS EDUCATION (RME) TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA Buang saryantono; Hesti Noviyana
Epsilon: Jurnal Pendidikan Matematika Vol. 3 No. 1 (2021): Epsilon
Publisher : Prodi Pendidikan Matematika, STKIP PGRI Bandar Lampung

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The ability to solve mathematical problems as one of the important skills for students who is also the goal of learning mathematics in the 2013 curriculum. The importance of problem solving skills is the basis for research objectives toanalyze the effectiveness of the Realistic Mathematics Education (RME) approach to the mathematical problem solving abilities of eighth grade students of SMP Negeri 23 Bandar Lampung, with research problems in the form of low mathematical problem solving abilities of students. This study uses an experimental method with a population of all eighth grade students of SMP Negeri23 Bandar Lampung which consists of 9 classes with a total of 287 students, while the sample is taken 2 classes, namely as an experimental class that applies the RME approach and as a control class that applies the conventional approach. The sample was taken using the cluster random sampling technique. Measurement of research variables using a test in the form of an essay as many as 5 questions that have been tested for validity and reliability and declared as a good measuring tool. Hypothesis testing using parametric statistics in the form of t-test. The results of hypothesis testing show the value of t hit = 4.33 and at a significant level of 5% it is known that t daf = ????(1−????)= 1,67 means t hit > t daf so it can be concluded that the RME approach is effective in influencing students' mathematical problem solving abilities class VIII SMP Negeri 23 Bandar Lampung. This situation is alsoseen from the average value of students' mathematical problem solving abilities where the experimental class has a higher average value of 77 and the control class has an average value of 61.

EFEKTIVITAS PENDEKATAN OPEN ENDED DALAM PEMBELAJARAN JARAK JAUH DITINJAU DARI KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMP Hesti Noviyana; Fitriana Rahmawati; Nella Findriani
Epsilon: Jurnal Pendidikan Matematika Vol. 3 No. 2 (2021): Epsilon
Publisher : Prodi Pendidikan Matematika, STKIP PGRI Bandar Lampung

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Mathematical critical thinking ability is one of the objectives of learning mathematics. This ability is a provision for students in dealing with problems. The importance of this ability is not in line with the abilities of junior high school students in the current distance learning conditions, for this reason this study examines the effectiveness of the Open Ended approach in terms of the mathematical critical thinking abilities of eighth grade students in odd semesters of SMP Negeri 13 Bandar Lampung in the 2021/2022 academic year. This research is a quasi-experimental research, with a population of all students of class VIII Odd Semester SMP Negeri 13 Bandar Lampung. The sample of 2 classes, namely class VIII 1 as the experimental class, and class VIII 3 as the control class, were taken using the Cluster Random Sampling technique. Students' mathematical critical thinking ability is measured by a test in the form of an essay as many as 5 questions which have been tested for validity and reliability. The results of hypothesis testing show the value of thitung = 7.35. From the t distribution table at a significant level of 5%, it is known that ttabel = t(1-α) = 1.67. This means that thitung > ttabel, so it can be concluded that the application of the Open Ended approach is effective in terms of the mathematical critical thinking skills of class VIII students in the odd semester of SMP Negeri 13 Bandar Lampung in the 2021/2022 academic year.

Upaya Peningkatkan Kemampuan Pemecahan Masalah Matematik Melalui Metode Discovery Pada Siswa SMP Aty Nurdiana; Hesti Noviyana
Jurnal Inovasi Matematika Vol 1 No 2 (2019): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Penelitian tindakan kelas ini bertujuan untuk mengetahui dan menganalisis peningkatan kemampuan pemecahan masalah matematik siswa kelas VIII-ASMP IT Baitul Jannahmelalui metode Discovery. Permasalahan penelitianberupa rendahnya minat dan ketertarikan siswa dalam pelajaran matematika sehingga berpengaruh pada rendahnya kemampuan pemecahan masalah matematik. Penelitian ini merupakanPenelitian Tindakan Kelas (PTK)yang dilaksanakan sebanyak dua siklus.Subjek penelitian yaitu siswa-siswikelas VIII-ASemester Ganjil SMP IT Baitul Janahyang terdiri dari 12 siswa laki-laki dan 19 siswa perempuan, sedangkan objek dalam penelitian adalah kemampuan pemecahan masalahmatematik.Pengumpulan data setiap siklus menggunakan teknik tes dan teknik observasi. Teknik analisis data terdiri atas: 1) analisis hasil observasi, 2) analisis hasil tes kemampuan pemecahan masalah. Untuk pengecekan derajat kepercayaan data, penelitian ini menggunakan triangulasi sumber peneliti yang lain, yaitu kepala sekolah, guru matematika, dan siswa.Berdasarkan hasil analisis data dapat disimpulkan bahwa ada peningkatan kemampuan pemecahan masalahmatematika siswa.Peningkatan tersebut yaitudariprasiklus yang lulus hanya9 orangatau(29,03%)dan tidak lulus22 orang(70,97%)meningkat pada siklus Imenjadi20orang(64,52%) yang lulus11orang (35,48%) tidak lulus, kemudianpada siklus II menjadi 26orang (83,87%) yang lulus dan 5 orang (16,13%) yang tidak lulus.

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