Mathematical reasoning ability has always been a hot topic of mathematics education worldwide,and PISA 2022 highlights for the first time that mathematical reasoning ability is core of problem solving.This paper shows how PISA 2022 evaluates students'mathematical reasoning ability first by analyzing in detail the three released items that test mathematical reasoning ability.Secondly,it analyses the overall performance of students'mathematical reasoning ability based on their scores on the three items and compares the differences among students with different proficiency levels.The results show that students in the six East Asian economies generally performed better in mathematical reasoning,but students with different proficiency levels differ a lot in the mathematical reasoning ability,and even students with the same proficiency level have significant differences.Based on the results,enlightenment for the development of Chinese students'mathematical reasoning ability is proposed,such as deepening students'understanding of concepts,paying attention to students'differences and understanding mathematics in context.
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