Mainly through discovering laws and solving problems, we can help students to establish the mathematical thought of combining numbers and shapes, combine abstract mathematical language with intuitive graphics, and combine abstract thinking with image thinking. By teaching students with shapes or solving shapes with numbers, we can simplify complex problems and concretize abstract problems, thus optimizing the teaching effect.

Mathematics Wide Angle is a special issue of primary school mathematics published by People's Education Publishing House. Its main goal is to infiltrate students with the most basic mathematical ideas and methods.