1, learning Sudoku can train concentration: overcome ADHD, cultivate concentration, rigorous and serious learning attitude, and improve learning efficiency; It is especially important for students in grade one or two of primary school!

2. Learning Sudoku can train mathematical thinking: combining number arrangement with mathematical learning can overcome the difficulty of inaccurate or slow calculation, enhance digital sensitivity and mathematical calculation ability, improve spatial imagination and lay a good mathematical thinking mode.

3. Learning Sudoku can stimulate learning potential: through systematic logical thinking training, students' IQ, memory, reaction ability, problem analysis and problem solving ability can be improved to meet the needs of students to improve their test-taking ability.

4. Learning Sudoku can cultivate a sense of honor and self-confidence: participate in Sudoku competitions at different levels, so that children can learn how to face success and failure and learn to deal with different situations. Build real self-confidence on the basis of gaining double affirmation from others and yourself.

Sudoku intuitive problem-solving skills mainly include:

Unique solution, basic exclusion method, block exclusion method, congruence solution, rectangular exclusion method, unit exclusion method, residue test method, etc.

Sudoku solutions are all derived from rules. The basic solution is divided into two ways of thinking, one is the exclusion method, and the other is the unique method. More complex solutions will eventually fall into these two categories.