Make such a sheet. It can be the ultimate distillation of your procedures notebook. Many of the most commonly held views of math are based on myths. These myths have resulted in false impressions about how math is done. They need to be dispelled 1.
Men are better at math than women.
Math requires logic, not intuition. You must always know how you got the answer. Math is not creative. There is a best way to do a math problem. It's always important to get the answer exactly right.