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Sumarlin Mangandar Marianus

Fakultas Pendidikan Guru Sekolah Dasar, Universitas Katolik Santo Thomas Sumatera Utara

Author-ID : 4106551

Arts Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PENGARUH BULLYING TERHADAP HASIL BELAJAR SISWA PADA TEMA LINGKUNGAN SAHABAT KITA KELAS V SD NEGERI 173416 POLLUNG Zainal Dominikus Siregar; Reflina Sinaga; Sumarlin Mangandar Marianus
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol 12, No 2 (2022): SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v12i2.35635

This study aims to determine the effect of student bullying on student learning outcomes in class V SD Negeri 173416 Pollung. The population of this study were all students of class V SD Negeri 173416 Pollung totaling 62 students. The sample used was 62 students to be used as samples in this study. In this study, researchers used a survey type quantitative method. To test the hypothesis using the product moment correlation t test. The results showed that student bullying had an average of 85 with sufficient category and learning outcomes had 68.72 in the less category. This is supported by the results of the t test hypothesis testing where the value of t_count > t_table is 1,714 > 1,669 then Ha is accepted, that is, there is an effect of student bullying. There is a significant relationship between student bullying and student learning outcomes on the theme of our friend's environment, sub-theme of humans and the fifth grade environment of SD Negeri 173416 Pollung, Humbang Hasundutan Regency.

ANALISIS OBSERVASI HASIL BELAJAR SISWA SD KELAS III DAN KELAS V PADA MATA PELAJARAN MATEMATIKA DI KOTA MEDAN, KABUPATEN DELI SERDANG DAN KABUPATEN LANGKAT Titin Rahmayanti Rambe; Fasti Rola; Sumarlin Mangandar Marianus; Anggili Pratama; Jhonas Dongoran; Hasratuddin Hasratuddin
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol 13, No 2 (2023): SHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v13i2.46216

This study uses a qualitative descriptive method that aims to understand the phenomena of elementary mathematics learning outcomes. The resulting data is presented in the form of numbers described in the description. Research using the observation method was conducted on mathematics learning outcomes in grades III and grade V of elementary schools spread across three districts/cities in North Sumatra Province. To understand students' errors and misconceptions is essential for the effective teaching and learning of mathematics. It is important for teachers to approach student mistakes in a constructive way, helping students understand their mistakes and learn from them. Research has been conducted to investigate patterns of student misunderstandings, errors, and misunderstandings across educational systems, grade levels, gender, and time. Several case studies of mathematics subjects in elementary schools in North Sumatra Province became the main focus of the North Sumatra Education Office so that they held improvement and development activities for Chemistry, Biology, Physics and Mathematics subjects in 2022. The conclusion showed that only three grades III fulfilled and 1 class V that meets above the value of 70.

ANALISIS OBSERVASI HASIL BELAJAR SISWA SD KELAS III DAN KELAS V PADA MATA PELAJARAN MATEMATIKA DI KOTA MEDAN, KABUPATEN DELI SERDANG DAN KABUPATEN LANGKAT Rambe, Titin Rahmayanti; Rola, Fasti; Marianus, Sumarlin Mangandar; Pratama, Anggili; Dongoran, Jhonas; Hasratuddin, Hasratuddin
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol. 13 No. 2 (2023): SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v13i2.46216

This study uses a qualitative descriptive method that aims to understand the phenomena of elementary mathematics learning outcomes. The resulting data is presented in the form of numbers described in the description. Research using the observation method was conducted on mathematics learning outcomes in grades III and grade V of elementary schools spread across three districts/cities in North Sumatra Province. To understand students' errors and misconceptions is essential for the effective teaching and learning of mathematics. It is important for teachers to approach student mistakes in a constructive way, helping students understand their mistakes and learn from them. Research has been conducted to investigate patterns of student misunderstandings, errors, and misunderstandings across educational systems, grade levels, gender, and time. Several case studies of mathematics subjects in elementary schools in North Sumatra Province became the main focus of the North Sumatra Education Office so that they held improvement and development activities for Chemistry, Biology, Physics and Mathematics subjects in 2022. The conclusion showed that only three grades III fulfilled and 1 class V that meets above the value of 70.

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