Lichen is a form of symbiosis between fungi and algae that is very widespread and can live on substrates that lack nutrients. Lichen has a high level of sensitivity to changes in environmental conditions such as changes in temperature, humidity, light intensity, and air quality that can affect its species diversity. Pekanbaru City, which experiences an increase in the number of motorized vehicl…
Many people pay little attention to their health and have poor daily habits that can lead to an imbalance of microorganisms in the digestive system. One way to maintain the balance of these microorganisms is by consuming probiotics. One well-known probiotic food is fermented dairy products using lactic acid bacteria, such as yogurt. Yogurt is a product of milk fermentation involving two types o…
Nanas (Ananas comosus (L.) Merr.) merupakan buah tropis yang banyak dihasilkan di Indonesia, termasuk di Provinsi Riau, khususnya Kabupaten Kampar yang dikenal sebagai daerah penghasil nanas. Dengan produksi nasional mencapai 3,2 juta ton pada 2022, potensi pengembangan olahan nanas sangat besar, namun pemanfaatannya sebagai minuman fungsional seperti water kefir masih terbatas. Water kefir mer…
e-Booklet adalah bentuk media pembelajaran elektronik yang disusun secara sistematis ke dalam satuan-satuan pembelajaran kecil dengan tujuan untuk menyampaikan informasi atau materi pelajaran secara lebih efektif dan menarik. Tidak seperti buku cetak atau booklet konvensional, e-Booklet memiliki keunggulan dalam hal penyajian visual. Media ini dapat memuat elemen-elemen seperti teks, gambar, fo…
By using Problem Based Learning (PBL), this classroom action research seeks to improve the learning process and increase students' mathematics learning outcomes. In the even semester of the 2024/2025 academic year, this study was attended by 31 students with various skill levels from class VIII-C of SMP Negeri 1 Kerumutan. This study was divided into two cycles, each cycle consisting of four st…
This study aims to develop web-based mathematics learning media using Adobe Flash that is valid, practical, and effective in improving students' learning independence in geometric transformation material for grade IX of SMP/MTs. This study uses the Research and Development (R&D) method with the Borg & Gall development model modified from Sugiyono (2019). The subjects in this study were students…
Mathematics learning often faces challenges in improving students' mathematical problem-solving abilities (KPMM), especially in statistics material. The Problem Based Learning (PBL) model is one of the approaches believed to enhance this ability by actively involving students in the learning process. This research uses Classroom Action Research (CAR) with the subjects were students of the 8th -…
This study aims to produce a higher Order Thinking Skills (HOTS) instrument that is valid, reliable, has a good discriminating power and difficulty level in order to train high-level thinking skills of Phase D students. Penelitian ini menggunakan model pengembangan tipe development studies yang terdiri dari dua tahapan yaitu preliminary yang terbagi menjadi analysis dan desain, serta formative …
This study aimed to enhance the learning process and enhance students' learning results in mathematics by implementing the Problem Based Learning approach. Students are encouraged to actively engage in the learning process through this approach of instruction. This study is a classroom action research using observation sheets of teacher and student activities and mathematics learning outcom…
This study was motivated by the low mathematical problem-solving Skills of students caused by inappropriate learning approaches, as well as the lack of teaching materials that support the development of mathematical problem solving skills. This study aims to produce mathematics teaching materials based on a scientific approach that is valid and practical to facilitate students' mathematical…
Riau University Abstract: This research is a class action research that aims to improve the learning process and to increase the outcomes of mathematics learning of the students by applying learning cycle 5E. The subjects of this research are the students of class SMPN 25 Pekanbaru at the second semester of academic years 2017/2018 which total number of participants are 35 students, consis…
Data daily test results of students of class VII SMPIT Future Islamic School Pekanbaru provide information that the percentage of learners who reach the criteria masses of minimum is still low. This Study aims to improve the learning process and the student’s outcomes of mathematic learning by applying problem based learning model. This classroom action research with two cycles was conduc…
This research is classroom action research that aims to improve learning process and to increase student mathematics achievement with applied the learning model of Problem Based Learning. The subject of this research was student of class X.1 Farmasi SMK Kesehatan Pro-Skill Indonesia Pekanbaru in second academic years 2017/2018, which are 30 students, consist of four boys and 26 girls. The r…
This research caused by the low ability of mathematical problems solving student in junior high school 13 Pekanbaru. Purpose of this research are 1) to determine the significance of the improvement of mathematical problems solving ability (MPSA) of grade VII SMPN 13 Pekanbaru students through contextual approach (CA) and through conventional learning (CL); and (2) to determine the differenc…
This research aims to produce mathematic learning devices in form of syllabus, Lesson Plan (LP), and Student Worksheet (SW) based on discovery learning on number sequence material in eigth grade. Development model used is 4D that consist of define, design, develop, and dissemination. The research is limited to develop stage. Testing conducted included validity test on syllabus, four LP, an…
This research is classroom action research that aims to improve learning process and to increase mathematics achievement with applied the learning cooperative approach Think Pair Square (TPS) model. The research consist of two cycles, each cycle has four stages, which are planning, implementation, observation, and reflection.The subject of this research is student of class VIIA SMPN 2 XIII …
This research is classroom action research that aims to improve learning process and to improve mathematics learning outcomes of students with applied the model of Problem Based Learning. The subject of research is student of class VIII-B SMP IT Al-Fityah Pekanbaru in the second semester academic years 2017/2018, which amounted to 28 female students. The research consisit of two cycles, eac…
This study aims to improve the learning process and improve the learning outcomes of students of class VIII MTS Nahdiyah Tapung Hilir odd semester of the academic year 2017/2018. Form of research conducted is action research (PTK) with 2 cycles. The subjects consisted of 14 male students and 21 female students with heterogeneous ability. Instrument in this research of development there are 2 th…
Computer based media for learning mathematics on quadrilaterals and triangles topics is using worksheet. Worksheet is using by student for write solution, so that student work can be seen by teacher. The topics of quadrilaterals and triangles has potency to be developed vissually by using a computer device to fasilitate students to understand this topics. The research model used is a research a…
This research aimed to develop a valid computer based learning media to help students to understand the topic of area and volume of revolution. This research uses development model by Sugiyono, the following stages are: (1) potential and problem; (2) collect information; (3) product design; (4) design validation; (5) design revision; (6) product testing; (7) product revision; (8) usage tes…