Support · Stage 4 · Length

Support Solve problems relating to the perimeter of simple composite figures

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

Solve a variety of problems involving length and perimeter, including problems involving different units of length

Stage 3 · Geometric measure B Draft mapping

No checked resources on this prerequisite dot point yet.

Determine which side lengths are needed to find the perimeter of a shape (Reasons about relations)

Stage 3 · Geometric measure A Draft mapping

No checked resources on this prerequisite dot point yet.

Find different ways to calculate the area of a composite L-shape figure

Stage 3 · Two-dimensional spatial structure B Draft mapping

  • SimulationStarterDrill
    PhET Area Builder
    PhET Interactive Simulations · Interactive (browser) · Free · Link checked 2026-10-15 · Hands-on, No prep
    Use it for: Build rectangles with the same area but different perimeters (and vice versa) before formalising A = l × w.