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The nation of Indonesia is always trying to advancingthe quality of human resources, one of them by improvingthe quality of education. Improving quality of education can be seen from the results of student achievement and one of the efforts to improve student achievement and quality of education is applying innovative learning model. This research aims to determine the effectiveness of mathematics learning using Course Review Horay model (CRH) and Teams Games Tournament (TGT) model assisted learning videos on student achievement. This type of research is quantitative research. This research was conducted in SMA N 16 Semarang in academic year 2017/2018 with the entire population of class X. Samples were taken randomly by using cluster random sampling technique and got three classes randomly, two experimental classes and one control class. The variables in this research are mathematics learning with CRH model and TGT model assisted learning videos (X) as independent variable, and learning achievement (Y) as dependent variable. Data collection techniques use test in the form of description to measure student achievement result after receiving treatment. The results of this research are the percentage of experiment class one reaches 91,42%, while percentage of experiment class two reaches 86,1%. Other than that, average of student achievement in experiment classes better than control class. This is indicated from the appeal test betweel experiment classes with control class which showa that average experiment class one amount 78,3, experiment class two amount 78,66, and control classs amount 68,7. This shows that learning using CRH and TGT assisted learning videos effectively done in learning.
Keywords: effectiveness, Course Review Horay, Teams Games Tournament, learning videos, and learning achievements.