It will be a little more difficult than grade three, but it depends on the level. It will be more difficult to lay a good foundation from grade one in grade four. Since the third grade, I have learned more, expanded my knowledge, and demanded higher understanding ability of children, which is also more difficult.

Doing a certain amount of mathematical calculations every day is very helpful to the fourth grade. Doing a certain amount of mathematical calculations every day is very helpful to the fourth grade.