Book excerpt: Ensure you have the necessary knowledge and competencies to pass your GACE Mathematics exam the first time. This state-aligned guide offers an in-depth review of the six major subareas: Number Concepts and Operations; Algebra; Precalculus and Calculus; Geometry and Measurement; Data Analysis and Probability; and Mathematical Processes and Perspectives. Its 80-question practice test will prepare you for the real exam with questions covering all the core competencies such as trigonometric functions and probability theory and application. All practice questions include full answer rationales.