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H I G H E R  \nS C O R E S .  \n800 CHALLENGE:  \nPART 1  \nT H E 1 5 0 HA R D EST D IG ITA L SAT MAT H Q U EST IO NS —EV E RY O N E W IT H A V E R I F I E D A NSW E R ,  \nA W R I T T E N S O L U T I O N A N D A V I D E O EX P LA NAT I O N .  \nby Abdulboriy Aminjonov 800 / 800 SAT MATH  \n27  \nALGEBRA  \nQ U E ST I O N SB Y L E V E L  \n\n| 18\u003Cbr>PROBLEM-SOLVING & DATA ANALYSIS | 74\u003Cbr>ADVANCED MATH |\n| --- | --- |\n\n31  \nGEOMETRY & TRIGONOMETRY  \n90 HARD 48  \nEXTRA HARD  \n12  800-LEVEL   \n800 Challenge:  \nHard Math 150—Part 1  \nSAT Math Club · Daily 800 Challenge Collection · by Abdulboriy Aminjonov First edition · September 2026 · Version 1.0  \nCopyright © 2026 Abdulboriy Aminjonov, SAT Math Club. All rights reserved.  \nFree to share. You may share this PDF with anyone, free of charge, as long as it stays complete and unchanged—including the SAT Math Club branding and the Telegram link. You may not sell this book, charge for access to it, or republish its solutions, explanations or design under another name without written permission.  \nTeachers and schools may print copies for their own students, free of charge. For any other use, contact SAT Math Club on Telegram, @satmathclub800.  \nAbout the questions. The questions were selected from Digital SAT practice material and SAT Math Club's Daily 800 Challenge, then edited for this book; rights in original test questions remain with their owners. The written solutions, explanations, difficulty labels, video explanations, layout and cover design are the work of SAT Math Club. Every answer in the Answer Key was checked by computer.  \nVideo explanations. Every question has one on Telegram, @satmathclub800. Search the code printed on the question—\\#SMC001 for № 1, \\#SMC150 for № 150. Part 1 covers channel questions № 1–150.  \nFound a mistake? Send the question code to @satmathclub800. Corrections go into the next version of this book.  \nSAT® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this book or SAT Math Club. This book is for practice; no particular score is guaranteed.  \nSet in Inter, Archivo Black and Liberation Sans. [t.me/satmathclub800](t.me/satmathclub800)  \n8 0 0  \nCHALLENGE : HARD MATH 1 5 0 · PART 1  \nWho this book is for  \nWho this book is for  \nThis book is for students who already know SAT Math and want the last points—the ones that separate a 750 from an 800.  \nIt's for you if…  \n• You score around 650–750 in SAT Math and are aiming for 780– 800.  \n• You've covered the basics and the official practice tests, and ordinary questions no longer challenge you.  \n• You lose points on the same kind of hard question every test—and want to know exactly why.  \n• You teach SAT Math and need a set of hard questions with complete solutions.  \nNot ready yet?  \nIf you're scoring below about 600, build your foundations first, then come back. You'll get much more out of every question here.  \nHow this book gets you to 800  \nThe questions that decide the score. On the Digital SAT, doing well in the first module sends you to a harder second module—and an 800 leaves room for almost no mistakes there. Every question in this book is at that level: 90 Hard, 48 Extra Hard and 12 at 800-Level.  \n All four domains. 27 Algebra, 74 Advanced Math, 18 Problem-Solving & Data Analysis and 31 Geometry & Trigonometry questions—so no hard question type catches you off guard.  \n 3  Speed, not just answers. Every solution starts with the fastest reliable method—the one that saves you minutes on test day—then an alternative where one helps.  \n 4  The traps, named. The Traps box shows the wrong answers the test is built to catch. Learn them once and stop falling for them.  \n 5  A video for every question. Search \\#SMC001–\\#SMC150 on @satmathclub800 and watch Abdulboriy Aminjonov solve it step by step.  \n 6  Track and repeat. The Progress Tracker shows","cbCaiecghgY3O495","https://ap.wps.com/l/cbCaiecghgY3O495","pdf",1365708,73,"English","# Who this book is for\n# How this book gets you to 800\n# How to use this book\n## Difficulty labels\n# About the author","[{\"question\":\"Who is 800 Challenge: Hard Math 150—Part 1 designed for?\",\"answer\":\"It is for students who already know SAT Math and want the last points that separate a 750 from an 800. It also includes teachers who need a set of hard questions with complete solutions.\"},{\"question\":\"What difficulty levels are included in Part 1?\",\"answer\":\"Part 1 contains 90 Hard, 48 Extra Hard, and 12 questions at 800-Level, covering all four math domains.\"},{\"question\":\"How can students get video explanations for each question?\",\"answer\":\"Search the question code on Telegram, @satmathclub800—for example, use #SMC001 for № 1 and #SMC150 for № 150. Each question has one Telegram video explanation.\"}]","800 Challenge - Hard Math 150 - Part 1 | PDF",1790891163,184]