OSAT Middle Level/Intermediate Mathematics (225) Study Guide 2026–2027 | Oklahoma Math Teacher Certification Exam Prep + Practice Tests

A complete study guide for the OSAT Middle Level/Intermediate Mathematics (225) test, written for Oklahoma teacher candidates seeking middle level mathematics certification.

What's Inside:

• Full content review of all five CEOE subareas: Number Properties and Number Sense; Relations, Functions, and Algebra; Measurement and Geometry; Probability and Statistics; and Pedagogical Content Knowledge
• 29 chapters covering real and complex numbers, matrices, number theory, proportional reasoning, functions and transformations, linear systems, quadratic and polynomial functions, exponential and logarithmic functions, foundations of calculus, measurement, geometry and proof, right-triangle trigonometry, coordinate and transformational geometry, probability, counting, normal distributions, and statistics
• 100+ worked examples, 45 graphs and figures, and 60+ quick-reference tables
• Constructed-response section: how the written assignment is scored, the Standards for Mathematical Practice, a response plan, and 2 practice assignments with sample strong responses
• 2 full-length practice tests weighted like the real selected-response section
• 200 exam-level practice questions with graphs, tables, and figures
• Step-by-step worked solutions for every question
• Exam overview, study schedules (4, 8, and 12 weeks), and test-taking strategies

Format:

• Digital PDF, instant download
• Printable US Letter pages

This is an independent study resource and is not affiliated with or endorsed by the Oklahoma Office of Educational Quality and Accountability, the CEOE program, or Pearson.