1, understand the charm of mathematics.
Students can spell out beautiful pictures with three-dimensional graphics through their own whimsy. Cultivate students' spatial imagination and hands-on operation ability, and let students feel the charm of mathematics and the fun of mathematics learning. Students use their imagination to draw their own multiplication formula. Let students compete in the application of multiplication formula, improve their calculation ability, deepen their memory of multiplication formula, and truly apply what they have learned, which can greatly stimulate students' strong interest in challenging themselves.
2. Creative paper cutting.
Paper-cutting is an ancient traditional folk art in China, with a long history and unique style, which is deeply loved by children. Paper-cut display, class participation. Children can design axisymmetric graphics, cut them and paste them on A4 paper, write down the topics with colored strokes in the background, and show the fusion effect of children's mathematics and paper-cutting art ... You can also cut plants, animals, two-way drawings and so on.
3. Sudoku competition.
Sudoku is a game that originated in Switzerland in the18th century. It's a logic game that uses paper and pencil to calculate. According to the known number of 9×9, the number of all remaining spaces is deduced. On the surface, Sudoku is a relatively simple game, but there is rich content behind it. The second-grade teacher sets unified questions for the students, so that the children can think positively and write and answer quickly. Sudoku competition can improve children's logical reasoning ability, enhance attention and cultivate students' sense of numbers.