"Mathematics Wide Angle" is a new attempt to infiltrate mathematical thinking methods into students from the new textbook of grade two in the compulsory education curriculum standard experimental textbook. This textbook has made some efforts to explore the infiltration of mathematical thinking methods, and presented important mathematical thinking methods through the simplest examples in students' daily life. Let children understand mathematics better. Let students go through the process of putting learning tools, drawing charts and listing charts, and gradually abstract a comprehensive and orderly arrangement and combination method, so that students' thinking can gradually transition from concrete to abstract. Can find out the arrangement number and combination number of the simplest things, and cultivate the consciousness of cooperation and communication and the ability of orderly thinking in activities.