Pegasus Primary Mathematics - 4 is an Exercise Book Designed Considering the Fourth-Level Requirements of Primary Mathematical Stage. Multiples & Factors, Hcf & Lcm, Decimals 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.