Publisher's Synopsis
This text reviews the move into relative approximation by active pupils through the teaching process, group agreement and investigative work. Problem-solving exercises lead pupils into a state of self-discovery, but also offer solid background to important mathematical concepts and skills. Numbers of the problems overlap with common situations.;Class activities and discussions highlight new and well-known concepts and aid pupils with practical problems. Exercises allow them to practise each new concept. With the syllabus-markers, the teacher can see at a glance what topic is being covered.