How do you teach someone basic math?
It helps to find out how they learn before teaching them. Some people learn better from listening, others from hearing and others from hands-on experiences. Relating math to practical every day uses makes it more enjoyable and possibly easier to grasp.
To what extent is English easy to learn?
English is especially difficult to learn for people who have passed the critical period for language attainment. It is influenced by different cultures and histories, and the rules of the language can be contradictory and inconsistent. English is easy to learn in the sense that so many people around the world speak it, leading to greater exposure.
Should English classes be focused on grammar rules or how to develop an original argument?
English classes should provide a solid foundation of proper grammar, however, developing a strong, authentic argument using English is more important because it displays more critical thinking than learning a few rules ever could.