I have been involved with both teaching and grading at UIUC. In the starred (*) semesters, I was a TA for the merit program.
UIUC:
Fall 2018: TA for Math 220 (Introductory calculus)
Spring 2019: TA for Math 220
Fall 2019: TA for Math 241(*) (Multivariable calculus)
Spring 2020: TA for Math 285(*) (Introduction to differential equations)
Fall 2020: TA for Math 220 (*)
Spring 2021: Grader for Math 442 (Introduction to PDEs ) and Math 561 (Graduate probability)
Fall 2021: TA for Math 241
Spring 2022 Grader for Math 416 (Undergraduate linear algebra) and Math 561
Fall 2022 Grader for Math 461 (Undergraduate probability) and Math 562 (Introduction to Brownian Motion and Stochastic Calculus)
UVic:
Fall 2023: Math 122 (Introduction to Logic)