KEMAMPUAN BERPIKIR KRITIS DAN KEMAMPUAN KOMUNIKASI MATEMATIS MELALUI PENERAPAN MODEL PEMBELAJARAN PROBLEM POSING DENGAN PENDEKATAN PEMBELAJARAN OPEN ENDED

This Research aims to describe the critical thinking ability and mathematical communication ability. The type of research that will be used in this research in descriptive research with quantitative and qualitative approach. Subjects research with 30 students. The result of study indicate that the application of Model Problem Posing and Open Ended approach has been run well. Indicated by theacher activity score of 3,54% and students of 3,29% with good category. The ability of developing problem dominated at easy category, the ability of critical thinking at high category, and mathematical communication at high category