Year 7, Unit 10 – investigating triangles
This 6-lesson unit addresses content from the focus areas of Equations and Right-angled triangles (Pythagoras’ theorem).
Syllabus
Syllabus outcomes and content descriptors from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.
The lessons and sequences in this Stage 4 program of learning are designed to allow students to explore solving quadratic equations, justifying if a triangle is a right-angled triangle and finding the lengths of unknown sides in right-angled triangles.
Introduction
Investigating triangles – unit of work (DOCX 343 KB)
Lesson 1 – ways of working (equations)
Lesson 2 – quadratic equations
Lesson 3 – Pythagoras' theorem
Lesson 4 – almost exactly
Lesson 5 – hole in one
Lesson 6 – what's square
The Mathematics K–10 Syllabus (2022) is to be taught in Years 3 to 10 from 2024.
Detailed implementation information including key features and resources is available on the Mathematics syllabus development page (NESA).