Support · Stage 4 · Right-angled triangles (Pythagoras’ theorem)

Support Identify and describe the hypotenuse as the side opposite the right angle and the longest side in any right-angled triangle

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

Compare side and angle properties of triangles and quadrilaterals using measurement and symmetry

Stage 3 · Two-dimensional spatial structure A Draft mapping

  • Interactive toolStarter
    Mathsisfun: Quadrilaterals
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Draggable quadrilateral properties.

Recognise that a right angle is 90°, a straight angle is 180° and an angle of revolution is 360°

Stage 3 · Geometric measure A Draft mapping

No checked resources on this prerequisite dot point yet.

Investigate adjacent angles that form a right angle and establish that they add to 90°

Stage 3 · Geometric measure B Draft mapping

No checked resources on this prerequisite dot point yet.