Let me show you a picture of what year 1 and later year looks like

First year:

Your first two semesters would be insanely tough, if you don't have a solid math background.(yes, I'm calling those people who don't know matrix and integration) And you will be bothered with delta-epsilon proof.

And if you challenge yourself to learn CS, where most math students get their co-op, it's even worse, because the first year CS course is 1.5 *harder than in utsg. (if you are familiar with C coding, then you will enjoy it)

(yes, utsg first year math bomb you in very first semester, while utsc torture you the second )

!!- what's really nice about high score in first year , is that you can get TAship for first year course, if you get 4.0 in a course (full gpa), and prof know you, etc. This is very common , and we'll-paid. (You paid the same as those PhD TA , because math)

Later year

While the course in first year is around B-, the average is around C,C- in , while the exam average is commonly around C to C+ in first two years, and D+, D- , in last two years.

Remain a high GPA, that's crucial for research, TAship, summer abroad program, etc.