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Profil Kemampuan Representasi Matematis Siswa Sekolah Dasar di Kecamatan Sumedang Selatan Hani Handayani; Rifahana Yoga Juanda
DIDAKTIKA: Jurnal Pendidikan Sekolah Dasar Vol 2, No 2 (2019): VOLUME 2, NUMBER 2, 2019
Publisher : Program Studi PGSD, Fakultas Ilmu Pendidikan, Universitas Negeri Yogyakarta

This study aims to determine the profile of mathematical representation ability of elementary school students in South Sumedang District. The research method used is the survey method. The population chosen is the elementary school in South Sumedang District. The sample was chosen randomly, namely six grade V elementary schools in South Sumedang District with a total of 130 students. Based on the results of research on the representation ability of elementary school students in South Sumedang Subdistrict, only 34.6% included the very low category. When viewed per aspect, the verbal representation aspect was 41.2% in the very low category, the symbol representation aspect was 28.1% in the very low category, and in the visual representation aspect it was 34.6% in the very low category.

THE INFLUENCE OF ROBOT DANBO MEDIA ON THE MATHEMATIC REPRESENTATION ABILITY OF PRIMARY SCHOOLS Hani Handayani
Widyagogik Vol 8, No 1 (2020): Widyagogik
Publisher : Program Studi Pendidikan Guru Sekolah Dasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/widyagogik.v8i1.8653

The background of the problem in this study is the low mathematical representation ability of class V students. The media used to improve students' mathematical representation abilities is using the robot danbo media. volume of cubes and blocks in grade V students. This study aims to determine the effect of using danbo robot media on the mathematical representation ability of class V students in learning the volume of cubes and blocks in class V. The research method used is the one group pretest-posttest design method (one group pretest-posttest design) in Class V students. This research data was collected through the pretest and posttest scores of mathematical representation abilities with a total of 6 students, after being treated using the robot danbo media. The ability of students' initial understanding before treatment (pretest) obtained an average value of 65.3 while after treatment (posttest) was 86.1. It can be seen from the results of data processing using the t test with a confidence level of 95% (α = 0.05). It can be seen that the tcount is 3.4 and the ttable is 2.5706. So that H_0 is rejected, meaning that there is an effect of using danbo robot danbo media on the mathematical representation ability of the volume of blocks and cubes in class V.

PENGARUH IMPLEMENTASI PEMBELAJARAN KOOPERATIF TIPE JIGSAW TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SEKOLAH DASAR Hani Handayani
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 5 No. 1 (2020): Volume 5 Nomor 1 Juni 2020
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Latar belakang masalah dalam penelitian ini berawal dari kemampuan berpikir kritis matematis siswa yang masih rendah. Salah satu cara untuk mengatasi permasalahan tersebut yaitu menggunakan pembelajaran kooperatif tipe Jigsaw. Penelitian ini bertujuan untuk mengetahui adanya pengaruh penggunaan pembelajaran kooperatif tipe jigsaw terhadap kemampuan berpikir kritis matematis siswa sekolah dasar. Metode yang digunakan dalam penelitian ini adalah metode quasi eksperimen dengan desain nonequivalent groups pretest-posttets design Subjek pada penelitian ini adalan siswa kelas V SD Negeri Andir Kidul 1 Kotamadya Bandung. Instrumen yang digunakan adalah soal tes untuk mengukur kemampuan berpikir kritis matematis siswa. Berdasarkan hasil analisis data dengan menggunakan uji t pada taraf signifikansi 0,05, dari hasil uji t didapatkan hasil 0.192. Sehingga dapat disimpulkan pembelajaran kooperatif tipe Jigsaw memperikan mengaruh yang signifikan terhadap kemampuan berpikir kritis matematis siswa. Kata Kunci : Berpikir kritis

Pengaruh Penerapan Media Multibase Arithmetic Block Terhadap Kemampuan Representasi Matematis Siswa pada Materi Volume Balok dan Kubus Risa Delistiani; Hani Handayani; Fajar Kusumah Solihin
Jurnal Edukasi Sebelas April Vol 5 No 2 (2021): JESA - Jurnal Edukasi Sebelas April
Publisher : STKIP Sebelas April Sumedang

Show Abstract | Download Original | Original Source | Check in Google Scholar

This research is motivated by learning mathematics in the field of geometry with the volume of blocks and cubes which are considered as difficult subjects by elementary school students, resulting in low mathematical representation abilities of fifth grade students. One of the efforts that can be done to improve the ability of mathematical representation is Multibase Arithmetic Block media. This study aims to determine the effect of the application of Multibase Arithmetic Block media on the mathematical representation ability of fifth grade students in learning the material for volume of blocks and cubes at SD Negeri Babakan Bandung, Tanjungsari District, Sumedang Regency for the 2020/2021 academic year. The research method and design used was pre-experimental with a one-group pretest-posttest design for the fifth grade students of SD Negeri Babakan Bandung, totaling 10 students. The data of this study were collected through the pretest and posttest scores of mathematical representation abilities. The results of the study show that there is an effect of applying Multibase Arithmetic Block media to the ability of mathematical representation on the volume material of blocks and cubes in fifth grade students of SD Negeri Bababkan Bandung in the 2020/2021 school year. This can be seen from the average value of the initial understanding ability of students before treatment (pretest) obtained an average value of 69.6 while after treatment (posttest) of 84.8 and the results of the t-test showed tcount > ttable i.e. 10.22 > 2 ,2622.

Penggunaan Media Timbangan dalam Meningkatkan Aktivitas Dan Hasil Belajar Matematika pada Materi Perkalian Di Kelas II Sekolah Dasar Hani Handayani; Septian Alamsyah
Golden Age: Jurnal Pendidikan Anak Usia Dini Vol 1, No 2 (2017): Golden Age: Jurnal Pendidikan Anak Usia Dini
Publisher : Pusat Penerbitan Universitas (P2U) Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/ga.v1i2.3384

AbstractProblems in this research are low activity and result of student learning. The purpose of this study is to improve student activity and the result of student learning through intermediaries scale on multiplication materials in class II SDN Sukanagara Darmaraja Sumedang District. The research method used is a classroom action research with two cycles of action. In this study, the instrument used is a test with the type of stuffing questions that have been tested for validation and reliability and observation sheet to observe student learning activities. Based on the result of the research, the students' learning activity in cycle I was 73,5% with sufficient criteria and the increase of student learning activity in cycle II was 79,48% with good criterion with a difference of increase that is 5,98%. Similarly, the average learning outcomes of student learning outcomes from the initial data reached in cycle I 62.27 and the second cycle reached 80.58. Keywords: Learning activity, the result of student learning, intermediaries scale. AbstrakPermasalahan dalam penelitian ini adalah rendahnya aktivitas dan hasil belajar siswa. Tujuan penelitian ini adalah untuk meningkatkan aktivitas dan hasil belajar siswa melalui media timbangan pada materi perkalian di kelas II SDN Sukanagara Kecamatan Darmaraja Kabupaten Sumedang. Metode penelitian yang digunakan adalah penelitian tindakan kelas dengan tindakan sebanyak dua siklus. Dalam penelitian ini instrument yang digunakan adalah tes dengan jenis soal isian yang telah diuji validasi dan reliabilitasnya dan lembar observasi untuk mengobservasi aktivitas belajar siswa. Berdasarkan hasil penelitian, diperoleh aktivitas belajar siswa pada siklus I sebesar 73,5% dengan kriteria cukup dan terjadi peningkatan aktivitas belajar siswa pada siklus II sebesar 79,48% dengan kriteria baik dengan selisih peningkatannya yaitu 5,98%. Begitu pula dengan hasil belajar rata-rata hasil belajar siswa dari data awal mencapai pada siklus I 62,27 dan siklus II mencapai 80,58.Kata Kunci: Aktivitas belajar, hasil belajar, media timbangan.

Upaya Meningkatkan Kemampuan Pemecahan Masalah Matematis dan Aktivitas Siswa Melalui Pembelajaran Kooperatif Learning Tipe Jigsaw di Kelas II Sekolah Dasar Hani Handayani
Golden Age: Jurnal Pendidikan Anak Usia Dini Vol 1, No 1 (2017): Golden Age: Jurnal Pendidikan Anak Usia Dini
Publisher : Pusat Penerbitan Universitas (P2U) Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/ga.v1i1.2687

Abstract The problems in this research are the low learning activity experienced by the students and the students’ problem solving ability of mathematics. The purpose of this research is to improve the students’ ability in solving mathematical problems and the students’ learning activities through Jigsaw cooperative learning, particularly on the multiplication materials in second grade class of SDN Tangsungsari I, Kabupaten Sumedang. This research is a classroom action research conducted in two cycles. The subjects of the study were the 33 students of 2nd grade class of SDN TanjungSari 1, Kabupaten Sumedang. The object of this research is the implementation of Jigsaw cooperative learning. The research instrument are using an essay test, which its validity and reliability has been tested, and also conducting observation on the students’ learning activity. The results show that the average of student learning activities on the first cycle values 60. In the second cycle, the learning activitivity in the first cycle, reaching the value of 65, has been increased on the second cycle reaching the value of 80. Keywords: Learning activity, problem solving of mathematical, and cooperatife learning tipe Jigsaw. Abstrak Permasalahan dalam penelitian ini adalah rendahnya aktivitas dan kemampuan pemecahan masalah siswa. Tujuan penelitian ini adalah untuk meningkatkan kemampuan pemecahan masalah matematika dan aktivitas siswa melaluli pembelajaran kooperatif learning tipe Jigsaw pada materi perkalian di kelas II SDN Tanjungsari 1 Kabupaten Sumedang. Metode penelitian yang digunakan adalah penelitian Tindakan Kelas dengan tindakan sebanyak sua siklus. Dalam penelitian ini instrument yang digunakan adalah tes dengan jenis soal essay yang telah diuji validasi dan reliabilitasnya dan lembar observasi untuk mengobservasi aktivitas belajar siswa. Berdasarkan hasil penelitian, diperoleh rata-rata aktivitas belajar siswa pada siklus I dengan nilai 60. Pada siklus II telah meningkat dengan nilai rata-rata 81. Demikian pula kemampuan pemecahan masalah matematika pada siklus I mendapatkan nilai 65, pada siklus kedua telah meningkat dengan nilai 80. Kata Kunci: Aktivitas belajar, kemampuan pemecahan masalah matematika siswa, dan kooperatif learning tipe Jigsaw.

PROFIL KEMAMPUAN REPRESENTASI MATEMATIS SISWA SEKOLAH DASAR DI KECAMATAN SUMEDANG SELATAN HANI HANDAYANI; RIFAHANAYOGA JUANDA
Prosiding Sesiomadika Vol 1 No 1a (2019)
Publisher : Prosiding Sesiomadika

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Penelitian ini bertujuan untuk mengetahui profil kemampuan representasi matematis siswa sekolah dasar di Kecamatan Sumedang Selatan. Metode penelitian yang digunakan yaitu metode survey. Populasi yang dipilih yaitu sekolah dasar se Kecamatan Sumedang Selatan. Sampel dipilih secara random, yaitu enam sekolah dasar kelas V di Kecamatan Sumedang Selatan dengan jumlah seluruh siswa 130 siswa. Berdasarkan hasil penelitian kemampuan representasi siswa sekolah dasar di Kecamatan Sumedang Selatan hanya 34,6% termasuk kategori sangat rendah. Jika dilihat per aspek, pada aspek representasi verbal sebesar 41,2% dalam kategori sangat rendah, pada aspek representasi simbol sebesar 28,1% dalam kategori sangat rendah, dan pada aspek represntasi visual sebesar 34,6% dalam kategori sangat rendah.Kata kunci : kemampuan representasi matematis

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