- Packed with hundreds of practice questions to develop mathematical skills- Together, Book 4+ and Book N5 cover the entire National 5 course- Starts with a Chapter Zero that revises all of the strands from Level 3- Every chapter ends with 'Remember Remember' exercises for revision and assessment- Every third chapter ends with 'Practice Makes Perfect' exercises that consolidate learning across those 3 chapters, plus cumulative exercises based on all chapters up to that point- Plenty of non-calculator exercises are included to enhance numeracy skills- Answers for all questions are in the back of the book; answers for the 'Practice Makes Perfect' exercises and Specimen Exam Papers are available online