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Education has an important role in the development and development of a nation to civilize humans. The process of transferring knowledge takes place continuously that occurs systematically from one person to another. The Transfer of knowledge that occurs is expected to change the attitude, behavior, morals, ethics, and maturity of one's thinking. Learning that uses a variety of learning methods provides a fun transfer of knowledge by involving teachers and students that is carried out in the world of education at school. Based on observations made by researchers, it was found that the low numerical ability of students in the study, so the researchers conducted a study using a role playing model using traditional market games in the learning process. This study aims to analyze the effect of role playing models with traditional games of the market on the numerical ability of students on the average difference pretest-posttest. Actors in the game markets are children who have not been so burdened with activities that require energy and mind. This study is a pre-experimental design with one-group pretest-posttest design. The study was conducted in Class V SDN 01 Gemiring Kidul, Nalumsari, Jepara. The independent variable of this research is role playing model using traditional market games, while the dependent variable is the numerical ability of students. Data analysis techniques used Are t test on pretest and posttest results with a significance level of 5%. Based on the results obtained it can be concluded that the application of role playing model using traditional market games have an influence on the numerical ability of students, with the average numerical ability of students before being given treatment of 52.5 and after using the role playing model with traditional market games of 82.83. The difference in the average result has a difference of 30.33 which shows a significant effect on students ' numerical ability.

The study examined effect of circle the sage instructional strategy on students’ numerical ability in Physics in senior secondary schools in Ikere local government of area of Ekiti state. A sample of sixty (60) students was selected for the study. A self-structured Physics Numerical Ability Test was used for data collection. A pre-test post-test quasi experimental research design was employed for the study. Two secondary schools in Ekiti state were chosen for the study. A test-retest method was employed to ascertain the reliability of the instrument, using Pearson Product Moment Correlation (PPMC). Three (3) hypotheses were formulated for the study. Self constructed twenty items multiple choice questions was used to collect the date and the data collected were analysed using ANCOVA. The findings of the study revealed that there was no significant effect of treatment on numerical ability of students in Physics, there was no significant effect of gender on numerical ability of students in Physics and there was no significant interaction effect of treatment and gender on numerical ability of students in Physics. Therefore, the study recommended that, though there was no effect of circle the sage strategiy on students’ numerical ability but cicle the sage with other strategies should be used to teach Physics at all level and be incorporated into the teaching of Physics at the secondary school level.

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The purpose of this study is to describe the numerical abilities of male and female students in grade VIII of SMP Negeri 10 Kendari; and to analyze the differences in numerical abilities of male and female students in grade VIII of SMP Negeri 10 Kendari. This type of research is quantitative descriptive research with the population in this study is all grade VIII students of SMP Negeri 10 Kendari which number 157 students. Sampling using total sampling techniques selected a sample of 157 students as well. Data collection techniques use students' numerical ability tests. Based on the results of the data analysis and discussion obtained conclusions: (1) numerical ability reviewed gender for grade VIII students of State Junior High School 10 Kendari is in the low category of both male and female students; (2) no difference in the numerical ability of Grade VIII students of SMP Negeri 10 Kendari is reviewed by gender.

Numerical ability in learning mathematics is an important thing for students to facilitate teaching and learning process. SAVI and SNAWBALLING are learning models that can facilitate the development of numerical abilities of students. The purpose of this study is to determine the effect of SAVI and SNOWBALLING learning models on the numerical ability of students. This research is a type of research Quasy Experimental Design. The sampling technique used was class random technique with row and series material. The instrument used to collect data was a numerical ability test in the form of a description item. The data analysis technique of this study used the T-Test analysis technique. The results of this study are that the two models do not have the same numerical ability of students, meaning that there are differences in the impact given by the SAVI learning model and the SNOWBALLING learning model on numerical ability. The numerical ability of students using the SAVI learning model is better than using the SNOWBALLING learning model.