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United States · Admissions test

OAT Quantitative Reasoning: what’s tested

Quantitative Reasoning is the last of the four tests on the Optometry Admission Test (OAT): 40 items in 45 minutes. The OAT Program says it measures how well you reason with numbers and work with quantitative material. OAT Quantitative Reasoning items fall into two groups: mathematical problems and applied, or word, problems.

  • 40Quantitative Reasoning items
  • On screenCalculator, given during the section
  • 45 minutesTime for the section
Where to study

Updated October 2026 · Written from official sources, listed at the bottom of this page

What does OAT Quantitative Reasoning cover?

  • Algebra: equations and expressions, inequalities, exponential notation, absolute value, ratios and proportions, and graphical analysis.
  • Data analysis, interpretation and sufficiency.
  • Quantitative comparison.
  • Probability and statistics.
  • Applied mathematics, or word, problems.

The calculator and note boards

A digital calculator is available on screen during Quantitative Reasoning, and the Candidate Guide shows only this section with one. You can’t bring your own calculator, ruler or paper. The test center gives you two note boards without graph lines and two fine-tip markers, and replaces used boards if you ask.

How the OAT Quantitative Reasoning score counts

Quantitative Reasoning has its own score and is one of the six scores averaged into the Academic Average. It isn’t part of Total Science, which is built from the natural sciences and physics items only.

OAT scores and 2025 averages →

How OAT Quantitative Reasoning scores compare

In 2025, 7.1% of Quantitative Reasoning scores were 400, the top of the range, against 0.8% for Physics. By our count from the OAT User’s Guide tables, 2,352 of the 3,571 Quantitative Reasoning scores, about 65.9%, were 300 or higher.

OAT math practice

The OAT Program’s Quantitative Reasoning 201 module has 40 items, the same as the real test. Its reference text list names five math books, among them Blitzer’s College Algebra and Bluman’s Elementary Statistics.

The official OAT practice test →The OAT reference text list →
Sources: OAT Program and 3 more. Checked October 2026.

Rules and fees can change, so check the official site before your test.

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