| 12 | A Comparison of Expected Difficulty, Actual Difficulty and Assessment of Problem Solving across GCSE Maths Sample Assessment Materials | A Comparison of Expected Difficulty, Actual Difficulty and Assessment of Problem Solving across GCSE Maths Sample Assessment Materials | | Office of Qualifications and Examinations Regulation | 2015/05 | ![線上瀏覽 線上瀏覽](styles/teric_r/images/bookpic_pdf_icon.png) | ![圖書全文 圖書全文](styles/teric_r/images/a10.png) |