Support · Mathematics Standard 11–12 – Year 11 · Applications of measurement

Support Apply the Trapezoidal rule A ≈ h/2(d_f + d_l), where A is the area, d_f and d_l are the lengths of the parallel sides of the trapezium, d_f is the first length and d_l is the last length, and h is the perpendicular distance between them, to solve a variety of practical problems involving area, volume and capacity for up to four applications

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

Develop and apply the formula to find the area of a trapezium: A = h/2(a + b), where h is the perpendicular height and a and b are the lengths of parallel sides

Stage 4 · Area Draft mapping

  • Interactive toolStarter
    Maths Is Fun: Trapezium
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Interactive trapezium with area formula.
  • Corbettmaths practice questions: Area: trapezium
    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 area: trapezium for drill or a quick check.
  • WorksheetDrill
    Kuta free worksheet: Area of trapezoids
    Kuta Software · PDF · Printable PDF · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
    Use it for: Printable skills-practice sheet with answer key on area of trapezoids; good for drill or homework.
  • WorksheetDrill
    Kuta free worksheet: Area of trapezoids (trapeziums)
    Kuta Software · PDF · Printable PDF · Free · Link checked 2026-10-15 · Answers included, No prep, Printable
    Use it for: Printable skills-practice sheet with answer key on area of trapezoids (trapeziums); good for drill or homework.
  • VideoStarter
    Corbettmaths video: Area: trapezium
    Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
    Use it for: Short worked-example video on area: trapezium to model the method before practice or for flipped revision.

Develop and apply the formula to find the area of a parallelogram: A = bh where b is the base length and h is the perpendicular height

Stage 4 · Area Draft mapping

Solve problems involving the perimeter of plane shapes, including parallelograms, trapeziums, rhombuses and kites

Stage 4 · Length Draft mapping

  • Interactive toolStarter
    Maths Is Fun: Perimeter
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Perimeter of shapes.
  • Corbettmaths practice questions: Perimeter
    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 perimeter for drill or a quick check.
  • VideoStarter
    Corbettmaths video: Perimeter
    Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
    Use it for: Short worked-example video on perimeter to model the method before practice or for flipped revision.