Exactly what is a Rich task? The term has become well known, but perhaps we can argue that any task can be a ‘rich task’; it’s all about what we do with that task in our classrooms. See this article by Jennifer Piggot on Nrich, Rich Tasks and Contexts.
All the pages here have outstanding resources for age 16+. These will help your students develop mathematically wherever they are learning and whatever examinations they are taking! We can look to Malcolm Swan’s Improving Learning in Mathematicswhich discusses effective teaching so well to help us think about just what makes a quality resource for learning.
Resources:
Resources: