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