● lists of sets in the power set of a given set and knowledge that the total number of set equals 2n for n elements in the given set
● solution of equations such as x² = 17 as required in measurement situations; for example, using pythagoras theorem
● graphical representation of simple inequalities such as y ≤ 2x + 4
● selection of a type of function (linear, exponential, quadratic) to match a set of data
● translation between forms (table, graph, rule, recurrence relation) of representation of a function