- Packed with hundreds of practice questions to develop mathematical skills- Together, Books 1 and 2 cover the entire National 4 course- Starts with a Chapter Zero that revises all of the strands from Level 2- Every chapter ends with 'What Have I Learned' exercises for revision and assessment- Plenty of non-calculator exercises are included to enhance numeracy skills- Answers for all questions are in the back of the book; answers for 'What Have I Learned' are available online