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All Journal AL ISHLAH Jurnal Pendidikan Journal of Mathematics UNP
Hendra Syarifudin
Universitas Negeri Padang
Computer Science & IT Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Mathematics Other

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The Effectiveness of the Inquiry Model and Gender towards Critical Thinking Skills in the Mathematics Learning of Elementary School Students Afriya Mahdalena; Yaswinda Yaswinda; Hendra Syarifudin; Firman Firman
AL-ISHLAH: Jurnal Pendidikan Vol 14, No 4 (2022): AL-ISHLAH: Jurnal Pendidikan
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v14i4.1820

Abstract

Students gain knowledge only from the teacher's explanation and student books, so students have not been able to develop their critical thinking skills became the aims for this research to 1) explain the differences in critical thinking abilities of experimental and conventional group students; 2) the differences in critical thinking abilities of male and female students, and 3) interaction using mathematics learning model on students' critical thinking skills. The type of research used is the factorial design treatment by level 2x2 methods. In both classes, samples were applied with different treatments. The population is all second-grade students of SDN Sungai Geringging. Sampling was done by using the multistage random sampling technique. The data analysis technique used descriptive statistics to analyze and to describe the research data, and the inferential descriptive to analyze with a two-way ANOVA test. The research resulted that there are (1) differences in the critical thinking abilities of the experimental group students with the conventional group students of class II SD in Sungai Geringging; (2) differences in the critical thinking abilities of male and female students of class II SD, and (3) there is an interaction using the mathematical inquiry learning model on students' critical thinking skills of class II SD in  Sungai Geringging.
Optimasi Biaya Distribusi Beras Sejahtera Menggunakan Metode Zero Suffix dan Metode ASM Wida Karnila; Hendra Syarifudin; Meira Parma Dewi
Journal of Mathematics UNP Vol 4, No 4 (2019): Journal Of Mathematics UNP
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (628.112 KB) | DOI: 10.24036/unpjomath.v4i4.7930

Abstract

Abstract – The research was distributed by the high cost of the prosperous rice distribution on perum bulog Bukittinggi Rp 219.986.865,-. Distribution is done from five warehouses to every subdistrict on the region it works. Perum bulog Bukittinggi striving for minimising the cost of every prosperous rice distribution warehouse to the districts. For minimising the cost of the prosperous rice distribution on perum bulog Bukittinggi used method zero suffix and the ASM method is a method of optimization of transportation problems and directly testing the keoptimuman transportation problem from the table without having to specify the initial solution first. The results of the calculation of the cost of distribution is performed by perum bulog Bukittinggi is Rp 219,986,865,-.Zero suffix using the method and the method of the ASM is Rp. 219,736,775.0-, so both of these methods can optimize the distribution cost issues bulog perum on without having to specify the initial solution.Keywords – zero suffix method, method of the ASM 
Co-Authors Afriya Mahdalena Firman Firman Meira Parma Dewi Wida Karnila Yaswinda Yaswinda