In this free course, Assessment in secondary mathematics, you have been asked to consider many ideas about assessment. You have been asked to think about what must be assessed as well as what counts as learning in mathematics. Issues of fairness have been raised as well as the meaning of validity and reliability in assessing mathematics. Most of the reading has been about assessing mathematical thinking and reasoning. Seeing mathematics as an important way of thinking means assessing how well students can use and control mathematical ideas rather than how well they can reproduce procedures.