The Difference of Students' Achievement by Numbered Heads Together

The researcher found that no significant difference of students'' achievement was found by cooperative learning model like NHT and Jigsaw in Exponentiation and Surds material. The Researcher ultimately has come to realize that this study is not reaching an optimal sphere yet if it is in view of what is students'' significant achievement seems to grow and acknowledging of a short time spare and the lack of co-observers ability to go through consequently the results of this study may sound not as the expected. But further research will need to take a concrete step in order to upgrade the educational quality.