smartboard 3rd grade math games.Tao Xingzhi, a famous contemporary educator in China, said that "two different tendencies should be prevented in education: one is to completely eliminate the boundaries between teaching and learning, and to deny the wrong tendency of teachers' leading role; the other is to discipline only. Do not ask students for interest, do not pay attention to the wrong tendency of students' questions. The former tendency must be no plan, with life rolling; the latter tendency will inevitably inculcate students into roast ducks." think. The process of mathematics learning is a complicated process of thinking, and it is also a process of continually "problem-questioning-discrimination". In the process of integration of mathematics teaching and information technology, the students' doubts in mathematics teaching should be fully reflected, because the questioning expresses a kind of curiosity and contains the spark of wisdom; questioning is a kind of exploration spirit.