Concepts taught in primary mathematics are essential for day-to-day living and form the foundation without which higher-level content taught at the middle and secondary levels of mathematics cannot be learnt. Misconceptions in these mathematical ideas can become a significant hurdle in understanding more complex concepts. This course, therefore, aims to provide student-teachers with a thorough understanding of these basic concepts and how to teach them. It explores how some of the higher concepts are extensions of the basic ideas and thus how children can be helped to construct their knowledge based on what they know. The course unpacks the content taught at the primary level and explores interlinkages among these. It also provides opportunities to engage with textbooks, children’s work, and a range of teaching-learning aids as well as plan and execute lessons.