Students calculate the number of free gifts distributed at a Tennis Championship given the number of people entering and the frequency of the gifts given away.
Students calculate the cost of several cans of soft drinks, the maximum number bought for a given cost, and the change given after buying several cans.
Students draw a graph from some information they are given about the heating of meths in a water bath. Students then explain in terms of particles what is happening for the sloping section and the flat section of the graph.