problem Favourite Quick Route Age 16 to 18 Challenge level What is the quickest route across a ploughed field when your speed around the edge is greater?
problem Favourite Differential equation matcher Age 16 to 18 Challenge level Match the descriptions of physical processes to these differential equations.
problem Favourite Immersion Age 14 to 16 Challenge level Various solids are lowered into a beaker of water. How does the water level rise in each case?
problem Lap Times Age 14 to 16 Challenge level Can you find the lap times of the two cyclists travelling at constant speeds?
problem An Average Average Speed Age 14 to 16 Challenge level My average speed for a journey was 50 mph, my return average speed of 70 mph. Why wasn't my average speed for the round trip 60mph ?
problem Jumping Gerbils Age 14 to 16 Challenge level A conveyor belt, with tins placed at regular intervals, is moving at a steady rate towards a labelling machine. A gerbil starts from the beginning of the belt and jumps from tin to tin.
problem Reaction types Age 16 to 18 Challenge level Explore the rates of growth of the sorts of simple polynomials often used in mathematical modelling.