I DO U DO MATHS Books

www.idoudomaths.com
Maths Workbooks for Grades 8-12 that have Math Tuition Lessons embedded inside the Books that can be accessed using a Smartphone! 
Grades 8 to 12, Matric,  Algebra, Number Patterns, Calculus, Functions, Trigonometry, Euclidean Geometry, Similarity and Proportion as well as Mock Past Year Paper Exam Examination Preparation Questions and Solutions Step-by-Step Video Tutorials