This analysis reveals strong alignment between mathematics textbooks and classroom practices in China, indicating a need for improved reasoning and proof teaching methods.
Key Points
To examine how eighth-grade teachers teach reasoning and proof compared to what is presented in textbooks.
Analyzed two editions of mathematics textbooks
Observed and recorded 24 geometry lessons through videotapes
Utilized an adapted framework connecting written and implemented curricula
Assessed teachers' decision-making in instructional practices
Found congruence between textbook RP opportunities and classroom teaching
Teachers relied heavily on textbooks for RP instruction
Limited opportunities for evaluating arguments were noted