Jurnal Pendidikan Matematika dan IPA
Not a member yet
187 research outputs found
Sort by
EFFECTIVENESS OF WETLAND-BASED WAVE AND OPTICS MODULES ON STUDENTS' SCIENTIFIC LITERACY ABILITIES
Full text linkWetlands that dominate the area in South Kalimantan are one of the indigenous science learning resources that can help students learn. However, the insertion of wetlands has not commonly been done on a learning media which directly used in class. The developed wetlands-based module on wave and optics aimed to enhance students’ scientific literacy which leads to the success of learning by integrating indigenous science. It was implemented for thirty science education students by using a group pretest-posttest design. The results showed that 29 students gained increased scientific literacy during the implementation, with the improvement in each aspect of scientific literacy categorized as moderate. In addition, the Wilcoxon test result showed a significant enhancement of scientific literacy after using the wetlands-based module of wave and optics. Thus, the wetland-based module is effective in improving students’ scientific literacy abilities
DEVELOPMENT OF ONE PAIR ALL SHAPE FOR PLANE FIGURES MATERIALS IN GRADE VII OF JUNIOR HIGH SCHOOL
Full text linkThis research aims to provide a solution to the challenges encountered in learning mathematics, particularly regarding plane figures. This specific area of study necessitates teaching aids that can effectively illustrate plane figures to students. The research primarily focuses on developing a teaching prop that enhances students' comprehension of flat shape materials. The study follows a research and development methodology, which involves product development and quality assessment. For data analysis, descriptive quantitative methods utilizing Sugiyono's descriptive percentage technique are employed to evaluate the product's validity. Based on material and media validation tests, the "One Pair All Shape" prop meets the criteria for both material and form suitability, as assessed by four validators. The material expert validation resulted in an 86.7% rating, while the media expert validation yielded an 84% rating, indicating a very valid category for both aspects
META-ANALYSIS: THE IMPROVEMENT NUMERACY LITERACY THROUGH PROBLEM BASED LEARNING
Full text linkNumeracy literacy is a very important skill in the 21st century. However, the numeracy literacy rate in Indonesia is still low, this can be seen from the results of the PISA test and various observational studies in schools. One way to overcome this problem is by applying the Problem Based Learning (PBL) model. The aim of this research is to determine the improvement numeracy literacy through the PBL model. The research method used is meta analysis with a sequence of preparation, implementation and analysis stages. The analyzed articles were 10 articles, with the criteria of each article discussing the PBL model for numeracy literacy, and there was information about the mean and standard deviation. The results obtained are that students' numeracy literacy through the PBL model has increased, where . It was concluded that there was a significant difference between the pre-test and post-test literacy numeracy scores before and after the PBL model. The average pre-test and post-test scores are 62.54 and 77.92 respectively, numeracy literacy in the post-test is higher than in the pre-test, so it can be concluded that the PBL model can increase students' numeracy literacy. The articles analyzed have similarities and differences in results and views because many aspects are applied. There were 2 different studies found, both of which received an Effect Size (ES) value of 0.09 and were categorized as small, so further research related to PBL on numeracy literacy, especially at the elementary school level, considering that in this meta analysis only used 1 data with the elementary school level whose results were not significant
DEVELOPMENT OF A PROBLEM BASED LEARNING E-MODULE WITH THE ASSISTANCE OF CANVA ON THE MATERY OF BALANCE AND ROTATIONAL DYNAMICS TO GROW STUDENTS' INTEREST IN LEARNING
Full text linkThis study aims to determine the feasibility of developing the Problem Based Learning e-module developed using canva to foster student interest in learning. This research method uses R&D research with the ADDIE type. The instruments used were observation, interviews and needs analysis questionnaires which obtained results of 81.04% with categories strongly agreeing to develop e-modules. The design of the e-module learning media will be developed according to what has been prepared. Expert validation sheet instruments consisting of aspects of content feasibility, material presentation, language, media, PBL and interest in learning can be seen that the development of e-modules is very feasible with an average percentage of 88.54% and student perception results which has 3 aspects, namely the appearance, presentation of material and benefits has an average yield of 81.81% of 3 Bengkulu City High Schools which can be categorized as very good. It can therefore be concluded that the development of the E-module Problem Based Learning assisted by Canva on the material of balance and rotational dynamics to foster students' interest in learning becomes a very viable product
THE IMPACT OF ORGANIC FERTILIZER FROM TEMBANG FISH (Sardinella fimbriata) AND COCONUT WATER (Cocos nucifera L) ON THE GROWTH AND FRUIT OF BIRD’S EYE CHILI PLANTS (Capsicum frutescens L.)
Full text linkAbstractThis research aims to determine the impact of administering varying quantities of liquid organic fertilizer obtained from tembang fish (Sardinella fimbriata) and coconut water (Cocos nucifera L) on the development and productivity of bird's eye chili plants (Capsicum frutescens L). This study was carried out in North Penajam Paser Regency from April to July 2023. This study employs a quantitative research methodology using a randomized factorial group (RAKF) design. The design has 2 factors, each with 16 treatments, and is replicated 4 times. The measured variables consist of plant height (in centimeters), leaf count (in strands), and fresh fruit weight (in grams). The results showed that treatment P2 (25 mL POC coconut water) had a real influence on the height parameters of bird's eye chili plants. Treatment P2 showed the highest average at the age of 70 and 79 HST, namely 44 cm and 45.5 cm. Meanwhile, treatment P16 (35 mL POC of tembang fish and 75 mL POC of coconut water) results demonstrate a notable influence on the parameters of leaf number and fresh fruit weight. The P16 treatment showed the highest average number of leaves at 56, 70 and 79 HST, namely 229, 245.75 and 326 strands. Furthermore, P16 treatment produced the highest average fresh fruit weight, namely 29 gram
FEASIBILITY OF A COMPETENCY-BASED SKILLS ASSESSMENT BOOK FOR THE SUBJECT OF BIOLOGY IN GRADE VIII JUNIOR HIGH SCHOOL
Full text linkThis study is intended to determine the feasibility and teacher response to competency-based skills assessment book products in Science-Biology subjects in Class VIII Junior High School. The research method used is Research and Development through 7 stages, namely; (1) potential and problems, (2) data collection, (3) product design, (4) product design validation, (5) product design revision, (6) product trial, and (7) product revision. The research instrument was a product feasibility assessment sheet and a response questionnaire in the form of a Likert scale. Product feasibility was assessed by five experts. The data obtained from the validation sheet (feasibility) was analyzed using Aiken's formula. The product trial was conducted on six teachers. The results showed that the feasibility of the product and the response questionnaire assessed by the validators obtained results respectively were 0.97 and 0.99 with high validity and feasible to use. After the trial, the teacher's response to the competency-based skills assessment book was stated to be very good with an average value of 95.00%. It can be concluded that the book product made is feasible to use for competency-based skills assessment with a very good response
ACTIVATION OF STUDENT RESOURCES REGARDING THE WORK-ENERGY THEOREM
Full text linkStudents' understanding of physics will increase along with learning during lectures, but thoughts on this understanding can be flexible and not always permanent, so it is necessary to explore other students' thoughts (resources) that may not have been discussed in previous research. This article focuses on the conceptual analysis of resources, namely the ideas they use in solving problems related to work-energy issues. This research aims to identify the resources used by physics students in work-energy reasoning as a work to explore students' new thoughts that have not been discussed in previous research. The research was conducted on 92 new physics department students in 2023 who took Basic Physics I lectures. Before the test was given, the lecturer gave a short review of the work-energy theorem to remind them of the knowledge they had learned in high school. The results of the research reveal that the resources that are widely used by students are (1) the concept of work in physics which is associated with the understanding of work in everyday contexts, namely as work/work/work, (2) in reasoning about motion phenomena involving potential energy and kinetic energy for students. directly apply the principle of conservation of mechanical energy. It is hoped that these findings will be useful input for lecturers in designing lectures on the topic of work-energy theorem based on resource theory or knowledge in pieces
TRANSFIGURATIONS OF THE COMPUTERIZED MATHEMATICS FINAL EXAM: HOW WAS THE RESULTS OF COMPUTERIZED ADAPTIVE TEST-BASED ASSESSMENT?
Full text linkAbstract Computerized Adaptive Test (CAT) allows the use of targeted tests, that is, each test taker obtains items that match his or her ability level. The purpose of this research is to find out the final semester exam with the CAT model. The research methodology is descriptive quantitative. Purposive sampling technique was used to take a sample of 73 students. The results of this study indicate that the CAT used in this semester final exam based on Moodle can select test items given to test takers adaptively according to the user's ability level. The very high ability category was 42 students, the high ability category was 11 students, the medium ability category was 9 students, the low ability category was 4 students, and the very low ability category was 7 students. Overall, the ability of learners is in the high category
EFFECT OF ACTIVATED CHARCOAL PECAN SHELL (Aleurites moluccanus L. Willd) WITH VARIATIONS IN SULFURIC ACID CONCENTRATION ON DECREASED COD AND BOD LEVELS OF LAUNDRY LIQUID WASTE
Full text linkPecan shells are organic waste that can be decomposed but the texture is hard enough that it takes a long time to decompose it naturally. Various efforts to utilize pecan shell waste (Aleurites moluccanus L. Willd), one of which is as a raw material for making activated charcoal. This study aims to find out how the effect of pecan shell activated charcoal (Aleurites moluccanus L. Willd) with variations in the concentration of sulfuric acid against a decrease in Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) levels of laundry liquid waste, as well as the effectiveness of the concentration of sulfuric acid activators. The manufacture of pecan shell activated charcoal (Aleurites moluccanus L. Willd) as an adsorbent is carried out through two stages, namely the authoring stage and the activation stage. BOD testing is carried out by the Winkler titration method while COD is carried out by the closed reflux method. The concentration of sulfuric acid used is 0.5 N; 1.0 N; 1.5 N; 2.0 N; and 2.5 N with a soaking time of 2 hours. The results showed that the sulfuric acid activator that was most effective in reducing laundry liquid waste was at a concentration of 1.5 N with the largest decrease value for BOD, namely 955.56 mg/L (25.44 %) and for COD which was 1648.69 mg/L (18.56 %)
PROFILE OF UNDERSTANDING THE CONCEPT OF STRAIGHT MOTION KINEMATICS IN STUDENTS OF SMAN 8 KOTA BENGKULU
Full text linkAbstract This study aims to determine the understanding of the concept of straight motion kinematics at SMAN 8 Bengkulu City. The research method used is the Cross-sectional Survey method, with data analysis techniques using descriptive analysis. The sample in this study was class X students, amounting to 72 people with a sampling technique using Random Sampling. The research instrument used is a multiple-choice test instrument, an indicator of concept understanding with valid criteria. The test instrument already covers 3 aspects of understanding the concept. From the results of the study, the average score of student concept understanding was 8.26 with the highest score of 14 and the lowest score of 3. The highest percentage in the aspect of understanding the concept was interpretation and extrapolation with the results of the average score of 33% in the medium category, while the the lowest in the aspect of translation obtained an average score of 26% in the low categor