Also, each textbook edition has a teacher's guide hundreds of pages long, which suggests some ways that students might come up with to solve a given problem. Unfortunately, some teachers take these as strategies that they must teach to their pupils, making the burden on students even heavier.
此外，各版本都附有厚達數百頁的教學指引，其中列出老師佈題後，學生可能的幾種反應，提供老師參考，但老師又誤以為這都是該教的解題策略，反而增加孩子負擔。