Singapore Math! Casco's Pre-Primary One Tutor is specially written for students who are preparing to enter 1st Grade. This new series consists of 4 books covering all the chapters which can be found in 1st Grade Math textbooks. All questions are presented in a friendly and colorful way so that students will find working through them fun and joyful. Parents will find these books very useful as they will give your child a head start in Math!Singapore Math! Casco's Pre-Primary One Tutor is specially written for students who are preparing to enter 1st Grade. This new series consists of 4 books covering all the chapters which can be found in 1st Grade Math textbooks. All questions are presented in a friendly and colorful way so that students will find working through them fun and joyful. Parents will find these books very useful as they will give your child a head start in Math!