Support · Stage 3 · Geometric measure B

Support Recognise that perpendicular lines intersect at right angles (90°)

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.

← Back to core resources

Prerequisite dot points

Compare angles to a right angle using an informal means

Stage 2 · Geometric measure B Draft mapping

No checked resources on this prerequisite dot point yet.

Measure angles of up to 360° using a protractor

Stage 3 · Geometric measure A Draft mapping

  • Interactive toolDrill
    Mathsisfun: Protractor
    Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
    Use it for: Practise measuring angles with an on-screen protractor.

Identify angles with 2 arms in practical situations

Stage 2 · Geometric measure A Draft mapping

No checked resources on this prerequisite dot point yet.