Our students experience difficulties in working on non-routine mathematical problems. They cannot see the general through special things or instead see things that are special through common things when dealing with mathematical concepts and examples. They cannot see the essential features of the way or recognize it when presented in various forms. We needed to improved their learning motivation and thinking creativity through the appropriate learning form. For that purpose, the action research was carried out by applying the snowball throwing type of cooperative learning in two cycles by involving as many as 70 participants in our calculus course. We implemented the teaching techniques for finding a diffractive solution in period 1 and the methods of solving differential equations in period 2. The learning implementation of period two was the improvisation of the cycle one’ scenario by adding the learning resources, the Internet. The increase in learning motivation and thinking creativity had been able to meet the predetermined targets and concluded that the snowball throwing type of cooperative learning used in calculus lectures is useful.
The purpose of this research was to produce an android based mathematics learning application. This research was motivated by the Indonesian government’s policy during the covid-19 pandemic. The government asked people to do all their activity from home. The government’s policy changed all the system including the learning activity system. Based on that, it was necessary to develop a learning application, which would enable students to learn from home. In this research, the learning application that would be developed was an Android based mathematics learning application. The research method used for this purpose was the development research developed by Dick and Carey. The quality standard used for the Product developed in this research were validity, practical, and effective, which was checked based on expert validation and trial results.
This study aims to describe the mathematical spatial ability of students in solving mathematical problems. The research method used is the descriptive qualitative research method. Data collection techniques were carried out through tests, interviews, and documentation. The results of this study indicate that (1) students with a high level of mathematical spatial ability category can meet all the indicators of spatial ability that researchers use in this study (2) students with a category of moderate level of mathematical spatial ability can meet two of the four spatial ability indicators that researchers use. in this study (3) students with the low level of mathematical spatial ability, the category had difficulty fulfilling several indicators of spatial ability that the researchers used in this study.
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