This book is designed towards mastering the Iowa Algebra Aptitude Test (IAAT), a placement test which allows students to demonstrate their readiness and ability to succeed in Algebra 1. The book contains a review of essential theorems specific to the IAAT: Pre-Algebraic Number Skills and Concepts, Mathematical Data Interpretation and Analysis, Representing Relationships, and Symbols. There are 7 full-length math tests with detailed solutions and explanations for all questions.