This 2020 edition of Dr. Jang's SAT 800 Math Workbook adequately reflect what students will see on the new actual test. This is the only one book you need to prepare for the SAT Math session Over 1500 practice problems, one diagnostic test, and 10 full mock tests are provided to incorporate the up-to-date new SAT features and materials including reducing the number of geometry problems and increasing the number of algebra problems, varying the difficulty level of the problems, and increasing the number of practical problem-solving questions. This book provides plenty of practice questions to challenge students for achieving high score on their real test.