Study guide

Practice Test: Math Skills

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1 Introduction to the OAR

About the OAR Who Takes the OAR and Why Study Plan and Test-Day Strategy

2 Math Skills Test (MST)

Arithmetic Fundamentals Fractions, Ratios, and Proportions Percentages and Real-World Applications Algebra Essentials Geometry Foundations Word Problems, Statistics, and Data Interpretation

3 Reading Comprehension Test (RCT)

RCT Overview and Core Strategies Main Idea and Purpose Questions Detail, Fact, and Inference Questions Vocabulary in Context and Author Tone Advanced Reading Strategies and Passage Types RCT Practice Passages and Questions

4 Mechanical Comprehension Test (MCT)

Forces and Newton's Laws of Motion Energy, Work, and Power Simple Machines and Mechanical Advantage Gears, Belts, and Rotational Motion Fluids, Pressure, and Hydraulics Electricity, Circuits, and Magnetism Motion, Heat, and Thermodynamics MCT Practice Problems and Review

5 Full Practice Tests and Final Review

Practice Test: Math Skills Practice Test: Reading Comprehension Practice Test: Mechanical Comprehension Final Review and Test-Day Preparation

Practice Test: Math Skills

Key Takeaways Explain This Topic AI

This practice set simulates the OAR Math Skills Test with 30 questions covering all tested math topics.

Time yourself: aim for 40 minutes total, approximately 80 seconds per question.

Work without a calculator to simulate actual test conditions.

After completing, review every question — even ones you got right — to reinforce the concepts.

Track which topic areas you miss most and allocate extra study time to those areas.

Last updated: March 2026

Set a timer for 40 minutes and work through these 30 questions without a calculator. This simulates the actual OAR Math Skills Test conditions.

  • Instructions
  • No calculator allowed
  • Choose the best answer from the four options
  • Manage your time — approximately 80 seconds per question
  • Answer every question (no penalty for guessing beyond getting it wrong)
  • Do not go back to change answers (simulating the adaptive format)
  • How to Use This Practice Set

Treat these questions as an active-recall checkpoint for Practice Test: Math Skills, not as a reading assignment. Answer the full set before looking at explanations, then mark each miss by skill area, rule, or service name. For every wrong answer, write the reason the correct option wins and why one tempting distractor fails. That habit matters because real exam questions often test the same concept with different wording. If you miss several questions from the same domain, pause and reread that chapter before continuing.

A strong final review loop is: timed attempt, explanation review, targeted reread, then a second attempt after a short break.

Review Routine

After you finish this set, make a three-column log: topic, missed rule, and the clue you should have noticed. Retake only missed questions the next day, then mix them with new questions so you do not memorize order. For calculations or scenario rules, say the first step aloud before choosing an option; that prevents rushing into a familiar but wrong answer.