It is ok to bring an answer sheet to the math test paper in the mid-term exam of grade three. The examination forms in primary schools are mostly unit tests, quizzes, mid-term exams and final exams. Examinations are forbidden in the first and second grades. In the third grade, according to the arrangement of the superior, the final exam (grades 3 to 6) takes the form of answer sheet. It can also help children adapt to this test mode faster and cultivate good habits.