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One effort to improve elementary school students' arithmetic (numeracy) skills is to use learning media in the form of an abacus. The abacus, also known as mental arithmetic, is a medium for developing thinking and calculating abilities in mathematics and is able to balance the abilities of the right and left brain. Therefore, SD 01 Ulak Karang teachers need to improve their skills in using the abacus, so that these skills can be mastered and provided to students well. The method of this activity includes basic level abacus training, namely (1) introducing body posture when using an abacus, (2) introducing the rules and how to operate/move the abacus beads, (3) introducing number notations represented by one or a group of abacus beads.  (4) introduce the technique of calculating addition and subtraction using an abacus and practice questions. Based on the results of this activity, the teachers at SDN 01 Ulak Karang Selatan are familiar with the technique of calculating with an abacus and can use the abacus to carry out addition and subtraction operations correctly and quickly. The teachers were very enthusiastic about being able to master all the techniques and calculation operations with the abacus.

The research that has been conducted is entitled "The Effect of the Use of Desmos Graphing Calculator Application on Students' Ability to Understand Mathematical Concepts" which is based on the background that students' ability to understand mathematical concepts is obtained information that it is not optimal so that students do not master the material well. The methodology of this study uses a quantitative type of quasi-experimental research with a posttest test in two classes. The population of this study is all class X students at PAB 1 Medan Estate Private High School with a total of 48 people.  Which is divided into X Mia1 and X Mia II. Data sampling technique with saturated samples. Data analysis was carried out with a posttsest test in both classes. Based on the results of the research, it can be concluded that "The Effect of the Use of the Desmos Graphing Calculator Application on the Ability to Understand Mathematical Concepts of Students, the results of data analysis show that the ability to understand mathematical concepts in learning using the Desmos Graphing Calculator media is higher than the ability to understand mathematical concepts in learning without using the Desmos Graphing Calculator media". on the ability to understand mathematical concepts.

This research aims to improve the science and science learning outcomes of class IV students at SDN 1 Pokak academic year 2023/2024. This research uses the Classroom Action Research (PTK) method which uses the Kemmis and Taggart model. The subjects of this research were class IV students at SDN 1 Pokak, totaling 14 participants educate. Data collection techniques through evaluation tests, observation and documentation. The research results show that: (1) students become more active in learning activities. (2) there was an increase in mathematics learning outcomes for class IV students at SDN 1 Pokak. This increase was proven by the results of the pre-cycle test, the class average value was 72.5, then it increased in cycle I to 82.5 and increased again in cycle II to 85.7.    

This research aims to produce mathematics learning tools with the Guided Discovery Learning (GDL) Model which is Valid, practical, and effective to improve the mathematical problem-solving abilities of students in class VII SMP/MTsN. The Plomp model is used because it is more flexible than Plomp's other models; beside that, at each step, it contains activities development that can be adapted to the characteristics of the research. Instruments were used during the study in the form of observation sheets, interview guidelines, questionnaires, validation sheets, learning tools, and tests of mathematical problem-solving skills learners. The results of the validity test show that the GDL-based mathematics learning tool is declared valid according to the experts. The results of the practicality test show that GDL-based mathematics learning tools are practical based on teachers and students as users. The effectiveness test results show that students' learning outcomes after learning are better by showing the percentage of completeness that reaches 75.86% exceeding the specified effectiveness limit of 70%. In addition, the device is said to be effective; it can be seen from the activities of students during the learning process that it has increased. Based on the validity, practicality, and effectiveness tests, the mathematics learning tools based on GDL in the Association material for Class VII Junior High School students are valid, practical, and effective

This study aims to examine the effectiveness of the Problem Solving learning model in improving the mathematical critical thinking ability of elementary school students. Through the Systematic Literature Review approach, this study analyzes a number of relevant studies. The results of the study show that the Problem Solving model has significant potential in improving students' critical thinking skills. This model encourages students to be actively involved in the problem-solving process, relate mathematical concepts to real life, and stimulate creativity. However, the implementation of this model requires careful planning, support from various parties, and teacher competency development. Further research is suggested to delve deeper into the factors that affect the successful implementation of the Problem Solving model, as well as develop more specific instruments to measure students' critical thinking skills.

This study aims to: 1) describe the mathematical connection ability viewed from high learning independence; 2) to describe students' mathematical connection ability viewed from moderate learning independence, 3) to describe students' mathematical connection ability viewed from low learning independence. This research method is a descriptive method with a qualitative research type. The subjects in this study were 30 students of grade VIII. The objects in this study were students' mathematical connection ability and learning independence on the Pythagorean theorem material. Data collection instruments in the form of written tests in the form of descriptions according to indicators of mathematical connection ability, learning independence questionnaires and interviews that have been tested with content validity, construct validity, reliability, level of difficulty and discriminatory power. The overall results of the study indicate that the level of learning independence and mathematical connection ability of grade VIII students at MTs Ushuludin Singkawang on the Pythagorean theorem material is in the moderate category. While specifically showing that: 1) for students' mathematical connection ability reviewed from high independence, the average category is medium, namely 2.33 with an average value of 77.7. 2) for students' mathematical connection ability reviewed from moderate learning independence, the average category is medium, namely 2.20 with an average value of 73.85. 3) for mathematical connection ability reviewed from low learning independence, the average category is medium, namely 2.37 with an average value of 79.16.

This study aims to describe the level and influence of motivation that affects students' mathematical number sense ability on integer material viewed from the learning motivation of class VII students of MTS Al-Fattah Singkawang. This research method is descriptive with qualitative research type. The subjects in this study were 30 class VII C students. The objects in this study are mathematical number sense ability and students' learning motivation on integer material. Data collection using student motivation questionnaires and instruments in the form of descriptive tests that are adjusted to the number sense ability indicators and have been tested using content validation, construct validation, reliability, discriminatory power, and level of difficulty. The data analysis techniques used are questionnaire data analysis and test data analysis (scoring, data description, and interviews). The research results obtained are; 1) The level of mathematical number sense ability viewed from high learning motivation is at the medium level of number sense ability, 2) The level of mathematical number sense ability viewed from medium learning motivation is at the medium level of number sense ability, 3) The level of mathematical number sense ability viewed from low learning motivation is at the medium level of number sense ability 4) Factors of student learning motivation that affect number sense ability include; 1) the surrounding environment 2) students are less enthusiastic in learning 3) students' memory decreases 4) students' lack of understanding.

Most children are very unenthusiastic about learning mathematics. This service is carried out so that the children of the GMIT Logos Kilakawa Congregation are motivated so that the children are more enthusiastic in learning mathematics so that they are no longer afraid of mathematics and they don't even experience difficulties. The methods used are tutoring and playing. The result of this activity is that the children are very enthusiastic and want to learn more about mathematics.

The influence of early mathematics learning and learning motivation on student learning outcomes is very significant [1]. Students' numeracy literacy skills need to be supported by the ability to learn mathematics as early as possible. Advanced mathematics learning needs to be supported by good arithmetic skills. Every learning process is expected to produce good learning outcomes. Conventional mathematics learning is difficult for low-level students to understand. Guidebooks that are in accordance with the learning curriculum tend to present mathematical concepts that are textual. In order for mathematics learning to be more interesting for students, it is necessary to develop learning media that are easily accessible to students and educators. One application that can be used is interactive Powerpoint [2]. In this community service, a learning media about arithmetic was developed that underlies every logic of calculation in advanced mathematics. Assistance was given to students in grade III of elementary school, with the pretest method, presentation of material using interactive Powerpoint media, and posttest. The validation test of the learning media was carried out by educators by providing an average test result of 84.36%. The results of this community service state that arithmetic learning media using interactive Powerpoint can be used in grade III of elementary school.

This research aims to determine the learning independence of class III students at SDN 167 Pekanbaru in mathematics learning before and after using inquiry strategies. This research is classroom action research using the Kemmis and Taggart method, namely (plan, action, observation and reflection). This research consists of 2 cycles, each with 2 meetings. Data collection techniques use observation, field notes and documentation. Data analysis uses quantitative and qualitative. Research results: In the Pre-Cycle, most students were in the Less Independent category. Entering Cycle I, there is a clear improvement. The number of students in the Sufficiently Independent category has increased, but there are still students in the Less Independent category. In Cycle II, the most striking changes occurred. The number of students in the Very Independent category increased significantly. This shows that the majority of students now have a high level of independence, with great achievements in increasing their independence compared to the previous cycle.

Children between the ages of four and six benefit greatly from the moral and motor skills development opportunities presented by kindergarten-level early childhood education programs. The purpose of this research was to determine whether the fine motor-based learning approach used by teachers at Nusa Indah Kindergarten in Bicak Village was successful in enhancing the students' fine motor skills. Using the number wheel and other interactive activities, youngsters may practice their fine motor skills while learning the fundamentals of mathematics. An novel learning medium was developed and evaluated using a Research & Development (R&D) approach. The study also utilized an observational method to analyze the medium's impact. The findings demonstrated that the approach considerably enhanced the fine motor skills, which encompass drawing and writing, of the children. The children's engagement and enthusiasm for learning were both boosted by the game-based activities. These results lend credence to the idea that preschool programs should take a more all-encompassing approach to teaching young children, one that prioritizes not just their cognitive but also their physical and emotional growth. This study adds to the body of knowledge on early childhood education curricula by highlighting the need of including fine motor development activities.

The rapid development of the times and technology today has given rise to many innovations and conveniences, including in the field of education for students and teaching staff. Learning methods are no longer conventional or face-to-face in the classroom, but through online-based devices the teaching and learning process can still run, especially when the Covid 19 pandemic hit. Mamuju Regency, West Sulawesi Province, in the education sector, especially at primary school level or equivalent, there are 310 schools including state schools and private schools. In general, interest in informal education, one of which is tutoring, is still low. This journal presents data and results of mathematics learning assessments at the Ranu Prima College Tutoring Institute, Mamuju branch. The aim of presenting this data is to determine the effectiveness of tutoring in the post-pandemic period and its existence in the future. The results obtained from this activity show that the offline/face-to-face tutoring system is still more effective than the online learning system. This is proven by assessments by parents/guardians of students and students' enthusiasm for the existence of tutoring even though the duration of implementation is relatively short. Of the total of 30 participants, 25 participants remained until the program was completed, providing feedback in the assessment and assessing that the tutoring was effective in equipping students to prepare the final school exams.

One of the causes of low student learning outcomes is the use of learning models that are monotonous and tend to be boring, so innovation in learning is needed. The integration of technology into the education and learning process reflects an innovative effort. One model that can make it easier for students to understand and can support technological developments is the blended learning model. Quipper School is an online learning platform that can be used in the blended learning model. This research aims to determine whether or not there is an influence of the blended learning model using Quipper School on the mathematics learning outcomes of class XI MA Nurul Jadid students. This research is quantitative research with a quasi experimental type. The subjects in this research were class XI MIPA 2, totaling 23 people as the experimental class and class XI MIPA 4, totaling 23 people as the control class. Based on the results of the Mann-Whitney U Test, it was found that Asymp. Sig. (2-tailed) of 0.000 is smaller than 0.05, meaning that  is rejected and  is accepted. Thus, it can be concluded that there is a significant influence from the blended learning model using Quipper School on the mathematics learning outcomes of class XI MA Nurul Jadid students.

This research aims to know the corelation between indepndent learning with achievement of learning math, the corelation between learning motivation with achievement of learning math, and corelation between independent learning and learning motivation with students’ achievement of learning math class XI in SMA Katolik Waikabubak. This research uses quantitative approach. The population of this research is the students of class XI SMA Katolik Waikabubak totally 132 students. Sampling technique uses by Slovin pattern and 99 students are choosen. The data collecting by questionaire. Hypothesis test uses product moment of corelation test for first hypothesis and the second, meanwhile for the third hypothesis by multiple regresion test. The instrument of validity test uses person’s product moment of corelation and the realibity tes uses Alpha Cronbach. Analysis tes for normality and linearity test apply Kolmogrov-Kmirnov. The result of this investigation, shows that: 1) there is no corelation between independent learning with students’ achievement of learning math, 2) there is corelation between learning motivation with students’ achievement of learning math, 3) there is corelation of independent learning and learning motivation from students with students’ achievement of learning math

Mathematics is a universal science that underlies the development of modern technology, plays an important role in various scientific disciplines, and human thinking abilities. The view that mathematics is a science that trains thinking. The Creative Problem Solving learning model is a learning model that focuses on teaching and Problem Solving skills. Digital teaching materials are use digital devices, such as computers, smartphones. The aim of this research is to see the validity, practicality and effectiveness of the e-module being developed. This teaching material development model uses the ADDIE model. This research was carried out at SMP Negeri 21 Medan which is located on Jl. Rampe Raya flower. The time for the panel research is the even semester of the 2023/2024 academic year. The subjects of this research were class VII students at SMP Negeri 21 Medan. Meanwhile, the object of this research is learning media in the form of e-modules using flipbooks based on Creative Problem Solving. The e-module was declared very valid with a score of 3.56 and was categorized as very feasible. The e-module was declared practical with a percentage of 92.67% and was categorized as very practical. The e-module was declared effective by achieving Problem Solving indicators in indicators 1, 2, 3 and 4 with 65% of students completing the learning. The achievement of classical student indicators has met 65% of students who took part in learning with a score of 75. And there was a significant increase in indicators 1, 2, 3, and 4.

This study was conducted to determine the effect of the Problem Based Learning learning model on the mathematics learning outcomes of fourth-grade students of SD Negeri 2 Kalikebo on the material of the area of ​​square and rectangular flat shapes. This study used a quantitative type of quasi-experimental design. The population in this study were all students of SD Negeri 2 Kalikebo and SD Negeri 1 Kalikebo. The sample in this study was fourth-grade students of SD Negeri 2 Kalikebo and SD 1 Negeri Kalikebo. The research instrument was first tested for validity and homogeneity. The results of this study indicate an effect of the Problem Based Learning learning model on the mathematics learning outcomes of fourth-grade students at SD Negeri 2 Kalikebo. Proven by the paired sample t-test hypothesis test obtained a t-count value of 7.311> t-table 2.010 (t-count is greater than t-table) meaning that H0 is rejected and Ha is accepted, it can be concluded that the use of the problem based learning model has an effect on the learning outcomes of fourth-grade students of SD Negeri 2 Kalikebo.

This research aims to improve the learning outcomes of grade V students of SD Negeri 2 Kalikebo. This study uses the Numbered Heads Together (NHT) learning model in the mathematics subject of fraction multiplication material. This Classroom Action Research (PTK) uses the Kemmis and Taggart model. The subjects of this study were fifth grade students of SD Negeri 2 Kalikebo, totaling 20 students. Data collection techniques through evaluation tests, observation, and documentation. The results showed that: (1) students become more active in learning activities. (2) there was an increase in math learning outcomes in fifth grade students of SD Negeri 2 Kalikebo. The percentage of completeness of learning outcomes during the pre-cycle was 5 students or 25% of 20 students, then cycle I there were 10 students or 50%, and in cycle II there were 16 students or 80% who reached KKTP ≥70.

This research aims to improve students' mathematical problem solving abilities by using a learning model Think Aloud Pair Problem Solving (TAPPS) with the help of animated videos. The research was conducted at SMA Negeri 1 Sumbul involving 36 class X-G students as research subjects. The type of research used is classroom action research (PTK) with steps, namely, providing an initial test to measure students' mathematical problem solving abilities before taking action, identifying problems in the classroom, planning action, implementing action, namely applying the TAPPS learning model (Think Aloud Pair Problem Solving) With the help of animated videos as a medium for conveying summaries of learning material, observation, giving post tests, data analysis and data reflection.  The research was carried out in 2 cycles where each cycle included two meetings, while observation activities were carried out simultaneously with the implementation of actions with the aim of observing the activities of researchers and students during learning activities. The research results showed that after the first cycle of research was carried out, the average student score from the pretest results to the first cycle posttest results increased from 52.56 to 72.94 with the average observation of student and researcher activities being 2.38 and 2.38. In the second cycle, students' mathematical problem solving abilities increased based on the average student score on posttest II, namely 84.62, the results of observations in the second cycle also improved better to 3.23 for student activities and 3.44 for researchers' ability to manage class, apart from that 34 out of 36 students (94%) obtained scores above the KKM (70). These results show that students' mathematical problem solving abilities increased after implementing the TAPPS learning model (Think Aloud Pair Problem Solving) Assisted by animated videos.

The drill method is serious repetitive activities do the same thing to strengthen or hone skills and make it permanent. The aim of this research is 1) To find out how to apply the drill method in mathematics lessons in class 4 at SDN 039 Air Terbit, 2) To find out whether the drill method is able to overcome students’ difficulties in understanding mathematics lessons, 3) To increase students’ learning motivation by applying the drill method in mathematics lessons in class 4 at SDN 039 Air Terbit. The method in this research uses classroom action research.. PTK is an approach to improving education through change by encouraging teachers to think about ttheir own practice so that they are critical of these actors an teachers want to change them. The results of this research are that students’ learning motivation is increasing. This can be seen from the results of the initial test. Learning engagement increased from 30% to 45% at the end of cycle 1 test and increased again at the end of cycle 2 test to 80%.  So from the test result above it can be concluded that learning using the drill method can increase students’ learning motivation in mathematics lessons, the material on operations for calculating fractions can be seen from the increased learning result, so student motivation also increases.

This research was motivated by the still low learning outcomes in mathematics subjects on FPB (Greatest Common Factor) and KPK (Least Common Multiple), because students still find it difficult to differentiate the factors of these numbers. Based on these problems, teachers are expected to be able to provide learning media that can make it easier for students to understand the subject matter. The aim of this research is to improve student learning outcomes by using Dakota learning media (Dakon Mathematics). With the Dakota (Dakon Mathematics) learning media, it can improve mathematics learning outcomes in the cognitive aspect and involve students to actively participate in lessons, thus fostering students' interest in learning in mathematics subjects such as FPB (Greatest Common Factor) and KPK (Least Common Multiple) . So, it can be concluded that the use of Dakota learning media (Dakon Mathematics) can increase students' interest in learning in elementary schools.