126. This section outlines the approach taken to implement the elements of the framework
described in previous sections into the PISA survey for 2021. This includes the structure of the
mathematics component of the PISA survey, the desired distribution of score points for
mathematical reasoning and the processes of problem solving; the distribution of score points by
content area; a discussion on the range of item difficulties; the structure of the survey instrument;
the role of the computer-based assessment of mathematics; the design of the assessment items;
and the reporting of levels of mathematical proficiency.