Working out from a train timetable how long it would take to get from one place to another
Calculating how much more expensive a computer would be after adding tax
Calculating how many square metres of tiles you need to cover a floor
Understanding scientific tables presented in an article
Solving an equation like 6x² + 5 = 29
Finding the actual distance between two places on a map with a 1:10,000 scale
Solving an equation like 2(x+3) = (x+3)(x-3)
Calculating the power consumption of an electronic appliance per week
Solving an equation like 3x + 5 = 17