Carefully developed to prepare students for the Australian Curriculum 9.0 and state-specific variants. ICE-EM Mathematics Year 9 Fourth Edition is part of a Years 5-10 series aligned to the Australian Curriculum Version 9.0 and state variations. Developed by the Australian Mathematical Sciences Institute (AMSI), the series recognises the importance of mathematics in modern society and aims to prepare students accordingly, with a strong mathematical foundation. This edition includes new sections and features such as Incorporating Algorithmic Thinking and First Nations People and Mathematics. The Interactive Textbook now offers worked example videos, self-assessment tools, and auto-marked quizzes. Worked solutions have also been added to the Online Teaching Suite to support teachers and learners.