Mathematics is one of three R s. Reading, writing and arithmetic constitute education. Reading and writing are also difficult to begin with. But when child has learnt the alplhabet, reading and writing are no longer difficult. Mathematics or Aritmetic- a branch of mathematics alone remain as difficult subject. Science that includes mathematics is also difficult.
The other subjects like History, Political Science and humanities do not need systematic reading and so not so difficult. Mathematics needs thorough study in sequential manner. If you do not learn the first step, you will not learn the next. similarly, forgetting anything will make learning next steps dufficult. For example, if you do not know simple interest, you cannot learn compound interest. It can be said without fear of contradiction that mathematics is read education. Hence, it is difficult. It is necessary for advancement of country to encourage students to learn mmathematics, which is base for study in astronomy, space and other sciences. The teachers should be trained to make the subject interesting and encourage students to opt mathematics.