A series designed to prepare students for success in Mathematics Essential, Applications, Methods and Specialist. CSM for WA: Mathematics Essential Units 3&4 has been carefully written to prepare students for success in the Mathematics Essential Units 3&4 General course.Topics flow logically from one to the next, with plenty of revision of prior years’ content. There are scaffolded Mathematical Investigation Process tasks or Statistical Investigations at the end of chapters (depending on the topic) to provide assessment practice.The Interactive Textbook - complimentary with purchase of the print book - includes a range of features not found in the print book, and the Online Teaching Suite gives teachers the support they need.