Mathematics Made Easy: Number Theory Answer Key is a Secondary Mathematics book designed to assist educators and parents in evaluating their students' progress. This book provides answers to topics that relate to Number Theory Problems. These include: - Identifying Whole Number Place Value - Rounding Whole Numbers - Identifying Different Types of Whole Numbers - Calculating The LCM and HCF of Different Numbers - Basic Operations and Whole Numbers - Solving Problems with Several Operations The Number Theory Answer Key is the 2nd book in the Mathematics Made Easy Series. The objective of the series is to breakdown various Mathematical concepts into their most basic forms so that students can understand them. These series of workbooks give students the opportunity to review the topic and hence gain a better understanding of the topic. There are a total of 24 books in the Mathematics Made Easy Series that are comprised of both workbooks and answer keys. The exercises are short and comprehensive, giving students the opportunity to master the topic with ease. The series is authored by Paula Burrows, a veteran Mathematics educator with 19 years experience in the classroom.