Topic	Description	Approximate time	Age
Volumes of Revolution	Torricelli's Trumpet Paradox	1 to 2 hrs	16+
Volumes of Revolution	Visualising Volmumes of Revolution	1 hr	16+
Introducing Integration	An investigation to find the area bounded by a graph and the x axis	1 hr	16+
Differentiation 1st Principles	An investigation using Autograph	1 hr	16+
Rates of Change	A matching activity to explore the idea of 'Rates of Change'	1 hr	15+
Classifying Sequences	A grouping execercise to explore sequences based on different powers of x	1 hr	14+
Measuring Gradients	An investigation using Autograph	1 to 2 hrs	15+
Differential Equations	A modelling activity using population data from Spain	1 to 2 hrs	16+
Related Rates of Change	Investigating the Height of Water in a Cone	1 hr	16+