**Tons of ACT Math practice in an easy-to-use format—updated to match the latest exam requirements, and now featuring a 20-question Diagnostic Quiz** Practice makes perfect, and with *500 ACT Math Questions to Know by Test Day, Third Edition* , you’ll get a ton of practice—with hundreds of questions, smart test-taking tips, and a 20-question Diagnostic Quiz to help you track your progress. It’s the perfect way to sharpen your skills and build your confidence for test day. Organized by subject with fully worked-out, step-by-step solutions, *500 ACT Math Questions to Know by Test Day, Third Edition* provides excellent problem-solving practice to help you make the most of your review time. With small bits of information presented for quick and easy reference and smart strategies for answering all multiple-choice and constructed response question types, this essential study guide is helpful for all types of students, whether you’re looking for a thorough refresh of topics or need extra help understanding specific question types. Features: * 500 ACT Math questions and answers organized by subject, refreshed to match the latest exam requirements * NEW! 20 Question Diagnostic Quiz to test your knowledge * Written to parallel the topic and format of the math section of the ACT, accompanied by answers with comprehensive explanations * Ideal and effective problem-solving practice to help build the skills you need * Includes strategies for answering multiple-choice and constructed response question types