Table 3. Summary of N-Gain Results of Students' Critical Mathematical Thinking Ability in Trial I

From

Development of Learning Device through Problem Based Learning Model Assisted by Geogebra to Improve Students’ Critical Mathematical Thinking Ability

Nurmanita, Pargaulan Siagian, Pardomuan Sitompul

Journal of Mathematical Sciences and Applications. 2019, 7(1), 1-9 doi:10.12691/jmsa-7-1-1