Test Prep

ASVAB Prep: The AFQT Subtests

Your AFQT score comes from four ASVAB subtests: two in math and two in reading and vocabulary. It's everyday high-school math and reading, and anyone can improve with practice. Ari gives you unlimited practice, explains every mistake, and makes the questions harder as you improve. Completely free.

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Video: Test Prep

First, How the AFQT Works

The ASVAB has several subtests. Four of them make up your AFQT score, and that's what this course covers.

It's a percentile, not a percent

The AFQT isn't a separate test. It's a score built from Arithmetic Reasoning, Mathematics Knowledge, Word Knowledge, and Paragraph Comprehension, and it's reported as a percentile from 1 to 99. A score of 50 means you did as well as or better than about half of a national comparison group. It does not mean 50% correct.

Reading and vocabulary count double

In the AFQT, the verbal part (Word Knowledge plus Paragraph Comprehension) counts twice. Many people think of the ASVAB as a math test and skip vocabulary practice. Don't. Ari gives the verbal subtests real practice time.

No calculator, and the test adapts

No calculator is allowed on the ASVAB, so Ari teaches every method by hand. The computer version is adaptive: a right answer usually leads to a harder question. Questions left unanswered when time runs out are scored as if you guessed at random, so pace steadily and answer every one.

Who This Is For

This is for you if...
  • You're planning to take the ASVAB and want to be ready
  • You took it once and want a higher score next time
  • You've been out of school for a while, or you earned a GED
  • English is your second language and the vocabulary feels hard
  • You want practice that adapts to you, not a book you read once
What you get
  • 20 topics across all four AFQT subtests
  • Unlimited original practice questions in the ASVAB style, with four choices
  • Every mistake traced to the exact step or trap that caught you
  • Hand-calculation methods, because no calculator is allowed
What this course does and doesn't cover

This course prepares you for the four AFQT subtests only. The full ASVAB also has General Science, Electronics, Auto and Shop, Mechanical Comprehension, and Assembling Objects, which count toward job qualification scores. This is academic study support, not a recruiting service. Ari can't tell you what score you need, advise you on enlisting or choosing a branch, or predict your AFQT percentile. For those questions, talk to a recruiter or visit officialasvab.com, which also has free official sample questions.

What You'll Learn

The four AFQT subtests, weighted by how many questions each one has on the computer test.

Arithmetic Reasoning
5 topics

Real-life word problems: setting up the math, fractions and decimals, ratios and unit rates, percents, interest, tax and discounts, and distance, rate and time.

Mathematics Knowledge
7 topics

High school math: number rules, exponents and roots, algebra and factoring, equations and slope, angles and the Pythagorean theorem, area and volume, and basic statistics and probability.

Word Knowledge
4 topics

Picking the best synonym, using context clues in a sentence, roots, prefixes and suffixes, and words with more than one meaning or that look alike.

Paragraph Comprehension
4 topics

Short passages: finding the main idea, locating details, drawing inferences, and identifying the author's purpose and tone.

How Ari Works

Ari is an AI tutor that adapts to how you respond — here's what it does across sessions.

Your AI Tutor

Ari adjusts based on your responses. After a few sessions, it shifts its approach:

  • Teaches the concept first, then checks if it landed
  • Adjusts difficulty based on how you're responding
  • Remembers what you struggled with across sessions
  • Varies format: multiple choice, scenarios, worked examples
  • Flags potential misconceptions based on your answers
Your Learning Profile

After each session, the system updates a profile based on how you interact:

  • Notes which explanation styles you respond to
  • Detects when you seem disengaged and changes approach
  • Tracks what topics you've covered and what's remaining
  • Uses your interests to make examples more relevant
  • Builds on prior sessions instead of starting fresh
Study Suggestions

Ari can suggest what to focus on — but these are AI-generated suggestions, not guarantees:

  • Set a target timeline — Ari suggests a study sequence
  • Ask what to review — it suggests topics based on coverage gaps
  • Highlights areas where you seem less confident
  • Flags topics you haven't practiced in a while
  • Explains why it's suggesting each topic next

Ari is designed around learning science principles — but it's still an AI and can make mistakes.

How Ari Works →

Power Tips — Using Ari Effectively

Ari is an AI language model. It works well for studying — but it has real limitations.

What Works Well
Ask it to explain things differently

"Explain that differently" or "Give me a real-world example."

Ari can rephrase, use analogies, or break things into steps. If one explanation doesn't click, ask for another angle.

Say "quiz me"

"Quiz me on this topic" or "Give me a practice question."

Self-testing builds stronger memory than re-reading. Questions match what you've been studying.

Ask for structured breakdowns

"Show me a comparison table" or "List the steps."

Tables, step-by-step lists, and side-by-side comparisons can help organize complex material.

Ask for a study plan

"I have 30 days and can study 5 hours a week — help me plan."

Ari can suggest a sequence based on what you've covered so far. Use it as a starting point, not gospel.

What to Know
Ari can be wrong

It's a language model — it generates plausible-sounding text based on patterns, just like ChatGPT, Gemini, and Claude. It can state incorrect information confidently. Always verify important facts from official sources.

It's not good at debate

Ari assumes you're here to learn. If you argue or try to trip it up, it won't push back well — it may agree with incorrect statements or get confused. It's a study aid, not a sparring partner.

Very long chats lose detail

Ari keeps the most recent part of a conversation sharpest. In one very long session, earlier details get summarized and can fade. Keep sessions to a reasonable length and focused on one topic — don't try to cover everything in a single marathon chat.

Progress indicators are the model's best guess

Any progress or mastery shown is the result of the model's pattern matching — not a real measurement. It can never be fully accurate because it's predicting, not testing.

Know what Ari is — and isn't

Ari is a free study tool. It doesn't administer exams, issue credentials, or measure your actual readiness. Exams and credentials come from independent organizations. Ari can help you study — that's it.

20 Topics Across All Four AFQT Subtests

Each one is a conversation with Ari: you answer a question, then Ari explains what worked and what didn't.

Arithmetic Reasoning (27%)
1. Word Problem Setup and Whole Numbers

The learner will translate everyday word problems into the correct whole-number operations and solve one-step and multi-...

Arithmetic Reasoning (27%)
2. Fractions and Decimals in Word Problems

The learner will solve word problems that use fractions of a group or amount and decimal money and measurement values, c...

Arithmetic Reasoning (27%)
3. Ratios, Proportions and Unit Rates

The learner will use ratios to share totals and find unknown parts, and will solve proportions, unit rates and best-buy ...

Arithmetic Reasoning (27%)
4. Percents, Interest, Tax and Discounts

The learner will solve percent word problems, including percent of a number, percent change, simple interest, sales tax,...

Arithmetic Reasoning (27%)
5. Distance, Rate and Time

The learner will solve travel, flow, production and work-rate word problems by relating amount, rate and time and keepin...

Mathematics Knowledge (27%)
6. Numbers and Number Theory

The learner will classify numbers, compute with signed integers using the order of operations, and find factors, multipl...

Mathematics Knowledge (27%)
7. Exponents, Roots and Scientific Notation

The learner will simplify expressions with exponents, find and estimate square and cube roots, and work with numbers in ...

Mathematics Knowledge (27%)
8. Algebraic Expressions and Polynomials

The learner will evaluate and simplify algebraic expressions, multiply and factor polynomials, and simplify algebraic fr...

Mathematics Knowledge (27%)
9. Linear Equations, Inequalities and Slope

The learner will solve linear equations, inequalities and simple systems, and find slopes, intercepts and equations of l...

Mathematics Knowledge (27%)
10. Angles, Triangles and the Pythagorean Theorem

The learner will use angle relationships, polygon angle sums, triangle facts, and the Pythagorean theorem to find missin...

Mathematics Knowledge (27%)
11. Perimeter, Area, Volume and Units

The learner will calculate perimeter, area, circumference, volume, and surface area of common shapes by hand and convert...

Mathematics Knowledge (27%)
12. Statistics and Probability

The learner will calculate and interpret mean, median, mode, and range and find the probability of simple and combined e...

Word Knowledge (27%)
13. Synonyms and Best Meaning

The learner will identify the best synonym for a given word on 'most nearly means' items by recalling the word's standar...

Word Knowledge (27%)
14. Context Clues

The learner will determine the meaning of a highlighted word in a sentence by using definition, restatement, contrast, e...

Word Knowledge (27%)
15. Roots, Prefixes and Suffixes

The learner will use common prefixes, suffixes, and Greek and Latin roots as clues to the meaning of unfamiliar words, w...

Word Knowledge (27%)
16. Connotation, Multiple Meanings and Look-Alike Words

The learner will choose the best meaning of a word by matching both its dictionary meaning and its tone, selecting the m...

Paragraph Comprehension (19%)
17. Main Idea

The learner will identify the stated or implied main idea of a short passage and choose the answer that best summarizes ...

Paragraph Comprehension (19%)
18. Supporting Details

The learner will locate specific details stated in a short passage, track the order of steps and the causes and effects ...

Paragraph Comprehension (19%)
19. Inference

The learner will draw reasonable conclusions that a short passage supports but does not state, and will identify what a ...

Paragraph Comprehension (19%)
20. Author's Purpose and Tone

The learner will identify why an author wrote a short passage and recognize the tone and attitude the author shows towar...

Why This Course Exists

A Path That Doesn't Need College

The ASVAB is built on high-school math and reading. With practice, it's a test you can raise your score on, whether you finished school last year or twenty years ago.

Practice Moves Scores

The skills on the AFQT subtests are learnable. What helps most is regular practice with real feedback on what went wrong, and that's what Ari gives you.

Free and Independent

AI Bridge Foundation is a nonprofit. This course is free, with no paywall and no upsell. We're an education program, not a recruiter.

Your Data Stays Yours

We're a nonprofit, not an ad company. We will never monetize your information.
No spam emails. No newsletters. We'll never fill your inbox.

Never Sold

Your data is never sold, rented, or shared with third parties. Ever.

No Tracking

No Google Analytics. No ad cookies. No retargeting. We don't build profiles on you.

One Cookie

A single session cookie keeps you logged in. Disappears when you close the browser.

Delete Anytime

Want your data gone? One email and we wipe everything. No hoops.

Start With One Question.

20 topics across the four AFQT subtests. Unlimited practice, every mistake explained. Free forever.

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Disclaimer: AI Bridge Foundation is not affiliated with, endorsed by, or sponsored by the U.S. Department of Defense or any branch of the military. This is free, independent academic study support for the four ASVAB subtests used in the AFQT score, and all practice questions are original. It is not a recruiting service and does not provide advice on enlistment, eligibility, or military careers. The course readiness percentages are our own and are not official ASVAB or AFQT scores. For official sample questions, test information, and eligibility, visit officialasvab.com or talk to a recruiter. No score improvement is guaranteed. AI Bridge Foundation provides a free, general self-study support tool. Responses are AI-generated and may be inaccurate or wrong. Any progress or mastery indicator is the AI model's own output based on pattern matching — not a measure of actual knowledge or readiness. We do not administer exams or issue any credential; all certifications referenced are provided by independent third parties. 100% free — no fees, no work contract, no consideration required.

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