By using Shlomo Vinner's credit system concept, we show that summative assessment is a rather vague and underrepresented notion in mathematics education literature. The emotional drive behind this article is expressed in the following questions: How is it possible to look for concrete exclusionary school practices that qualify some and disqualify…

Mathematical knowledge for teaching (MKT) measures have been widely adopted by researchers. Critics have debated the value of such measures and questioned the type of knowledge that these access. This article reports on a study where the challenges in measuring teachers' knowledge were illuminated through investigating relationships between the…