The AFQT score is the most important ASVAB score, because it determines if you can enlist in the U.S. Army. However, the U.S. Army also converts the ASVAB test scores into 10 other composite score areas known as "line scores" that determine what MOS an individual may qualify for. Listed below are the parts of the ASVAB that affect your AFQT test scores and each of the ten line scores.
Another big advantage of practice tests is that they are fun. It’s fun to challenge yourself and see what you know. Instead of wondering if you are studying the right things or just wasting your valuable time, good practice tests can help you find out what you need to know while injecting your study time with excitement and competition as you try to outdo yourself each time you take a test.
The Arithmetic Reasoning section of the test measures your ability to solve arithmetic word problems. You may be asked questions such as “If the tire of a car rotates at a constant speed of 552 times in 1 minute, how many times will the tire rotate in half an hour?” Therefore, reviewing common math key words associated with each operation is recommended. For example, if you see the key words “in all,” the problem deals with addition. If the problem asks you to “find the difference,” you are being asked to subtract. If a question asks “how many times” per day or week, you know you are dealing with multiplication. If it asks “how many in each,” you should be thinking about division. The CAT-ASVAB has 16 questions in 39 minutes; the paper-and-pencil version has 30 questions in 36 minutes.
The ASVAB is routinely reviewed to eliminate any potential biases from questions and scoring. The exam underwent a major revision in 2002. Two years later, a renormalization of the percentile scoring system was performed to ensure that a 50 percent score represented performing better than 50 percent of all test takers. The 10-section ASVAB improves the matching of volunteers with available jobs and helps match job openings with qualified individuals.
Using the right ASVAB study guide is an important factor in determining how well you will do on the exam. Each branch of the U.S. Military requires you take an ASVAB (Armed Services Vocational Aptitude Battery) exam.  Your scores on the ASVAB determine not only your entrance into the military, but also your job, advancement opportunities, and potential salary.  The ASVAB exam consists of questions in ten different areas, but in general, the exam is measuring your aptitude in four key areas: Math, Verbal, Science and Technical, and Spatial.  To efficiently prepare for your ASVAB exam, check out our recommended study guides, our free practice exams, our ASVAB flash cards, and our ASVAB study tips.
There are nine different test areas as part of the ASVAB: general science, arithmetic reasoning, word knowledge, paragraph comprehension, mathematics knowledge, electronics information, auto and shop information, assembling objects, and mechanical comprehension. The paragraph comprehension test area contains the fewest questions with 15. The word knowledge test area contains the most questions with 35. All other sections contain 20, 25, or 30 questions. Taking numerious ASVAB practice tests is recommended for test day success.
This book is an absolute bargain. Barron’s walks you through the theories behind each core area of the ASVAB and, rather than having practice questions all come at the end, integrates them into each chapter so that you can check your progress along the way. Each section is very detail-oriented, ensuring that you won’t miss anything you might encounter on the exam. The book comes with four full-length exams, two additional exams on an included CD and an unusually thorough guide to the “assembling objects” component of the exam, one of the hardest to master. There’s also a section on analyzing your scores once you’ve taken the exam, and to see how your aptitudes will prepare you for (or hinder you from) various military career paths. Unfortunately, this book doesn’t come with flashcards or diagrams, so you might want to supplement your studies with another book on our list.
A good score on the ASVAB is different than a minimum required score.  Each of the military branches will have their own minimum required scores (see below).  In practice, however, each branch will be more selective in their recruiting.  A score of 50 on the ASVAB implies that you scored as well or better than 50% of comparable test-takers.  Since ASVAB scores are used for many purposes (e.g., enlistment eligibility, military job placements, and career exploration), it is important that you score well on the ASVAB.  A score of 60 or better should be your minimum target.
Scoring high on the ASVAB will require study and concentration—and this resourceful practice guide gives you the tools and information you need to score high and land the military future of your dreams. It's packed with practice questions, an in-depth view of each of the nine subtests, proven study tips, test-taking strategies, and 3 full-length ASVAB practice tests plus 2 AFQT practice tests to help you prep for test day.

Rod Powers retired from the United States Air Force with 23 years of service. A world-renowned military careers expert, he advised thousands of troops about all aspects of U.S. Armed Forces careers. Angie Papple Johnston joined the U.S. Army in 2006 as a Chemical, Biological, Radiological, and Nuclear Specialist, ready to tackle chemical weapons in a Level-A HAZMAT suit.