The teaching profession has its own body of highly specialized knowledge, just as medicine or law or indeed any profession has knowledge specific to its field.  And just as a doctor or lawyer makes decisions in the best interests of their patients or clients based on evidence and information, teachers also exercies high level professional judgements about what to teach, to whom, how to teach, and whether students have learned what we intended them to learn.  The judgement-making process is often complex, but it is central to the idea of professionalism.  During this course you will learn how to improve mathematical outcomes of primary school students by enhancing your professional judgement in mathematics.