Education Technology

ACMMG223 – Trig Ratio Test - Year 9

Activity Overview

Electronic, auto correcting formative or summative assessment for the Australian Mathematics Curriculum standard ACMMG223 using the TI-Navigator system including a companion PDF of the same.


Use similarity to investigate the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles ACMMG223


  • Sine
  • Cosine
  • Tangent
  • Opposite
  • Adjacent
  • Hypotenuse
  • Ratio

About the Lesson

The purpose of this material is to provide immediate feedback for teachers and students using the TI-Navigator system. The questions are automatically corrected and summarized using the TI-Navigator software providing teachers with the opportunity to respond to students needs. A PDF copy of the assessment is provided for schools that do not have TI-Nspire and TI-Navigator.