1. The Mathematics series is intended to be used alongside the existing primary and middle level textbooks of Mathematics based on the National Curriculum Framework. 2. The books train child to do rapid calculations so as to master the necessary computational skills needed for acquiring proficiency in Mathematics. 3. The exercises are fully graded so that the child can solve them completely and serial 4. Each exercise has been formulated according to the child’s mathematical information and skill at that particular stage. Make sure that all problems are solved mentally without resorting to written calculations. 5. The Mathematics series helps the child to think, seek and discover interesting latent patterns and relationships, thus fostering sharpness of mind and clarity of thought.