Bastian Sierra
John Jay College professor
Chill Rank and student ratings
Chill Rank 2 of 5: Easy?Easy: easier than most
- Overall
- 4.0/5
- Difficulty
- 2.0/5
- Would take again
- 69%
From 12 student ratings on Rate My Professors. The Chill Rank weighs difficulty most; here is how it works.
Fall 2026 sections taught by Bastian Sierra
- MAT 105: College AlgebraClosed
07-LEC Regular · In Person · Mon/Wed · 4:30 PM - 5:45 PM
- MAT 108: Social Science MathematicsClosed
03-LEC Regular · In Person · Mon/Wed · 3:05 PM - 4:20 PM
- MAT 108: Social Science MathematicsClosed
11-LEC Regular · In Person · Mon/Wed · 12:15 PM - 1:30 PM