Here's a video with some advice on how to study in university, and in math courses in particular. I made this interview with a Harvard student when I worked there. I thought McGill students might find a lot of this advice useful too! (Math 1b at Harvard is basically integral calculus, or calculus 2.)
Here are some more tips for anyone taking math courses and wanting to be sucessful.
Finally, check out this page to learn more about some math students' favorite math mistakes and the importance of mistakes in your learning trajectory!