Pegasus Primary Mathematics - 1 is an Exercise Book Designed Considering the First-Level Requirements of the Primary Mathematical Stage. Spatial Understanding, Basic Arithmetic Operations, Data Handling are Only a Handful from the Best Inside. Each Chapter is Presented with Simple-Worded Introduction, Explanations, Illustrative Examples and Exercises. Once a Whole Concept Has Been Covered, a Review Exercise will Follow to Test Conceptual Mastering Thus Far.