Harim Yoo

The Essential Guide to Prealgebra Harim Yoo

The Essential Guide to Prealgebra is a guidebook for students to prepare for Prealgebra. This edition covers topics in Prealgebra, containing more than 200 practice questions with solution manual and 100+ skill practice questions with answer keys. Covering 14 topics in Prealgebra, this book is primarily designed to supplement the online lecture by the author at Masterprep in South Korea. The author, Harim Yoo, graduated from Northwestern University (B. A. in Mathematics) in 2012. Harim also served in the ROK/U. S Army as a KATUSA sergeant in the 2nd infantry division from 2012-2014. Since his ETS from duty, he found his passion for teaching and educating bright students. He gradually developed his career as a lecturer at Masterprep and has now been recognized as one of the leading lecturers in Apgujeong, Seoul. Harim is currently dedicating his time to produce mathematical prep-books for junior high/high school students to simplify learning methods to effectively learn the core concepts and problem-solving strategies, writing on the bulky series called "Essential Math Series," which contains The Essential Workbook for SAT Math Level 2 and The Essential Guide to IGCSE: Additional Math