Design and implementation educational game of coordinate systems and least common multiple using educational games design model

In the world of education today learning system needed a system which is more interesting and fun. But the material presented can be understood by students. The curriculum currently used in Indonesia is curriculum 2013 has many obstacles in its application. The constraints are teachers who are not qualified enough to teach and also the number of teachers less. Author designing and build educational game using educational games design model for game design and using thematic methods for learning design. The game design is done by reviewing the material on the curriculum 2013 that adapted to the design of the game story. The results showed that the group of students who play games have increased in speed and correctness in answer the questions with a gain value of 0.6. Results of a questionnaire from 32 correspondent students gained an average of 3.3 at scale 4, it can be concluded that this educational game system learning can improve student understanding.