Support · Mathematics Extension 1 11–12 – Year 11 · Further work with functions

Support Describe a function as one-to-one if every element in the range of the function corresponds to exactly one element of the domain

Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.

Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.

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Prerequisite dot points

Define a real function f of a real variable x as a relation where each element x of a given set is associated with exactly one element y of the second set

Mathematics Advanced 11–12 – Year 11 · Working with functions Draft mapping

No checked resources on this prerequisite dot point yet.

Define a function as a relation over 2 sets where each element of the first set is associated with exactly one element in the second set

Stage 5 · Functions and other graphs (Path) Draft mapping

  • Interactive toolStarter
    Maths Is Fun: What is a function?
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Functions vs relations explained with mapping diagrams.
  • PhET Function Builder
    PhET Interactive Simulations · Interactive (browser) · Free · Link checked 2026-10-15 · Hands-on, No prep
    Use it for: Input-output machines for writing rules and functions.
  • Corbettmaths practice questions: Function Machines
    Corbettmaths · Web page · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
    Use it for: Free printable graded practice questions (with answers) on function machines for drill or a quick check.
  • VideoStarter
    Corbettmaths video: Function Machines
    Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
    Use it for: Short worked-example video on function machines to model the method before practice or for flipped revision.

Describe a relation between two sets as an association between the elements of one set and the elements of the other set

Mathematics Advanced 11–12 – Year 11 · Working with functions Draft mapping

No checked resources on this prerequisite dot point yet.