Yaakov is most likely suffering from a learning disability. It enables an individual to perform poorly in activities which is related to acquiring knowledge. It is also a way that makes a person having a hard time or find it difficult to acquire knowledge, learn and have skills. It could be seen above as Yaakov struggles in math which makes it difficult for him to cope up with, making it as a result that he has a learning disability in mathematics because in order subjects, he does well.
