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ASVAB (Armed Services Vocational Aptitude Battery) — key terms, tricks & tips

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Key term

ASVAB

Armed Services Vocational Aptitude Battery.

Getting Started: ASVAB Overview

Key term

AFQT Score

Armed Forces Qualification Test score, determines enlistment eligibility.

Getting Started: ASVAB Overview

Key term

Subtests

Individual sections of the ASVAB measuring specific skills.

Getting Started: ASVAB Overview

Key term

Line Scores

Combinations of subtest scores used for job placement.

Getting Started: ASVAB Overview

Key term

MOS/Rating/AFSC

Military job classifications (Army/Marines, Navy/Coast Guard, Air Force).

Getting Started: ASVAB Overview

Key term

CAT-ASVAB

Computer Adaptive Test version of the ASVAB.

Getting Started: ASVAB Overview

Key term

P&P-ASVAB

Paper-and-Pencil version of the ASVAB.

Getting Started: ASVAB Overview

Memory trick

Understanding the ASVAB: Purpose and Structure

To remember the four AFQT subtests, think: 'A Wise Person Makes Knowledge.' (AR, WK, PC, MK)

Getting Started: ASVAB Overview

Exam tip

Understanding the ASVAB: Purpose and Structure

The ASVAB is used by all branches of the U.S. military. Remember that the AFQT score is derived from four specific subtests: AR, WK, PC, and MK. This is a common point of confusion on the exam.

Getting Started: ASVAB Overview

Common mistake

Understanding the ASVAB: Purpose and Structure

Believing only the AFQT score matters; line scores are crucial for job selection.

Getting Started: ASVAB Overview

Common mistake

Understanding the ASVAB: Purpose and Structure

Assuming all ASVAB tests are the same length or format (CAT vs. P&P).

Getting Started: ASVAB Overview

Common mistake

Understanding the ASVAB: Purpose and Structure

Not understanding how specific subtests contribute to different job qualifications.

Getting Started: ASVAB Overview

Key term

Percentile Score

Indicates performance relative to a national sample of test-takers.

Getting Started: ASVAB Overview

Key term

MOS

Military Occupational Specialty, a job code in the Army and Marine Corps.

Getting Started: ASVAB Overview

Key term

AFSC

Air Force Specialty Code, a job code in the Air Force.

Getting Started: ASVAB Overview

Key term

Rating

A job classification in the Navy and Coast Guard.

Getting Started: ASVAB Overview

Memory trick

ASVAB Scoring and Its Impact on Military Careers

To remember the AFQT subtests: 'A Wacky Penguin Makes Kisses' (AR, WK, PC, MK).

Getting Started: ASVAB Overview

Exam tip

ASVAB Scoring and Its Impact on Military Careers

Memorize that the AFQT score is derived from Arithmetic Reasoning, Word Knowledge, Paragraph Comprehension, and Mathematics Knowledge. This is a common point of confusion on the exam.

Getting Started: ASVAB Overview

Common mistake

ASVAB Scoring and Its Impact on Military Careers

Mistaking the AFQT score for an average of all ASVAB subtests.

Getting Started: ASVAB Overview

Common mistake

ASVAB Scoring and Its Impact on Military Careers

Believing a high AFQT score automatically qualifies you for any job.

Getting Started: ASVAB Overview

Common mistake

ASVAB Scoring and Its Impact on Military Careers

Underestimating the importance of line scores for specific career paths.

Getting Started: ASVAB Overview

Key term

Cell

The basic structural and functional unit of all known organisms.

General Science Fundamentals

Key term

Tissue

A group of similar cells working together to perform a specific function.

General Science Fundamentals

Key term

Organ

A collection of different tissues joined in a structural unit to perform a function.

General Science Fundamentals

Key term

Organ System

A group of organs that work together to perform one or more functions.

General Science Fundamentals

Key term

Metabolism

All chemical processes that occur within a living organism to maintain life.

General Science Fundamentals

Key term

Reproduction

The biological process by which new individual organisms are produced.

General Science Fundamentals

Key term

Stimuli

Changes in the environment that an organism can detect and respond to.

General Science Fundamentals

Memory trick

Biology Basics: Cells, Systems, and Life Processes

Think 'C-T-O-O-O' for the levels of organization: Cells, Tissues, Organs, Organ Systems, Organism!

General Science Fundamentals

Exam tip

Biology Basics: Cells, Systems, and Life Processes

The ASVAB General Science section often asks about the function of major human organ systems or the basic characteristics of living things. Memorize the hierarchy of biological organization (cell, tissue, organ, organ system, organism) and the main function of systems like circulatory (transport), respiratory (gas exchange), and nervous (control).

General Science Fundamentals

Common mistake

Biology Basics: Cells, Systems, and Life Processes

Confusing the order of biological organization (e.g., thinking organs come before tissues).

General Science Fundamentals

Common mistake

Biology Basics: Cells, Systems, and Life Processes

Attributing life processes (like reproduction) to non-living things.

General Science Fundamentals

Common mistake

Biology Basics: Cells, Systems, and Life Processes

Not understanding that all body systems are interconnected and rely on each other.

General Science Fundamentals

Key term

Matter

Anything that has mass and takes up space.

General Science Fundamentals

Key term

Element

Pure substance with one type of atom.

General Science Fundamentals

Key term

Compound

Two or more elements chemically bonded.

General Science Fundamentals

Key term

Mixture

Substances not chemically bonded, physically separable.

General Science Fundamentals

Key term

Chemical Reaction

Process changing substances into new ones.

General Science Fundamentals

Key term

Reactants

Substances at the start of a reaction.

General Science Fundamentals

Key term

Products

Substances formed by a reaction.

General Science Fundamentals

Key term

Atomic Number

Number of protons in an atom's nucleus.

General Science Fundamentals

Memory trick

Chemistry Essentials: Matter, Reactions, and Elements

To remember the states of matter: 'SoLiD' (definite shape/volume), 'LiQuid' (definite volume, no shape), 'GaS' (no shape/volume).

General Science Fundamentals

Exam tip

Chemistry Essentials: Matter, Reactions, and Elements

For the ASVAB, focus on knowing the basic definitions of matter, elements, compounds, and mixtures. Be able to identify common element symbols (e.g., H, O, C, Fe) and the general indicators of a chemical reaction (e.g., gas formation, color change).

General Science Fundamentals

Common mistake

Chemistry Essentials: Matter, Reactions, and Elements

Confusing a mixture with a compound: Mixtures can be physically separated, compounds require chemical reactions.

General Science Fundamentals

Common mistake

Chemistry Essentials: Matter, Reactions, and Elements

Thinking all physical changes are chemical reactions: Melting ice is a physical change, not a chemical reaction.

General Science Fundamentals

Common mistake

Chemistry Essentials: Matter, Reactions, and Elements

Forgetting that elements cannot be broken down further by chemical means.

General Science Fundamentals

Key term

Force

A push or pull that can change an object's motion.

General Science Fundamentals

Key term

Newton's Laws of Motion

Three fundamental laws describing how forces affect motion.

General Science Fundamentals

Key term

Velocity

The speed of an object in a specific direction.

General Science Fundamentals

Key term

Acceleration

The rate at which an object's velocity changes.

General Science Fundamentals

Key term

Energy

The ability to do work or cause change.

General Science Fundamentals

Key term

Kinetic Energy

Energy possessed by an object due to its motion.

General Science Fundamentals

Key term

Potential Energy

Stored energy, often due to position or state.

General Science Fundamentals

Key term

Work

Force applied over a distance in the direction of the force.

General Science Fundamentals

Memory trick

Physics Principles: Forces, Motion, and Energy

For Newton's Laws, remember 'IMA': Inertia, F=Ma, Action-reaction. It's like a superhero team for physics!

General Science Fundamentals

Exam tip

Physics Principles: Forces, Motion, and Energy

The ASVAB often tests your understanding of Newton's Laws of Motion. Memorize the core idea of each law: Inertia (1st), F=ma (2nd), and Action-Reaction (3rd). Look for keywords like 'unbalanced force' for the first law and 'equal and opposite' for the third.

General Science Fundamentals

Common mistake

Physics Principles: Forces, Motion, and Energy

Confusing speed with velocity: velocity includes direction.

General Science Fundamentals

Common mistake

Physics Principles: Forces, Motion, and Energy

Forgetting that acceleration can mean slowing down or changing direction, not just speeding up.

General Science Fundamentals

Common mistake

Physics Principles: Forces, Motion, and Energy

Assuming work is always done when a force is applied; displacement must occur in the direction of the force.

General Science Fundamentals

Key term

Crust

Outermost solid layer of Earth.

General Science Fundamentals

Key term

Mantle

Thick layer of hot, flowing rock beneath the crust.

General Science Fundamentals

Key term

Troposphere

Lowest atmospheric layer where weather occurs.

General Science Fundamentals

Key term

Ozone Layer

Stratospheric layer absorbing UV radiation.

General Science Fundamentals

Key term

Plate Tectonics

Theory of Earth's moving crustal plates.

General Science Fundamentals

Key term

Star

Celestial body that produces its own light and heat.

General Science Fundamentals

Key term

Light-year

Distance light travels in one year.

General Science Fundamentals

Memory trick

Earth & Space Science: Geology, Weather, and Astronomy

My Very Eager Mother Just Served Us Noodles: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune (for the planets in order from the Sun).

General Science Fundamentals

Exam tip

Earth & Space Science: Geology, Weather, and Astronomy

The ASVAB General Science section frequently tests knowledge of Earth's layers (crust, mantle, core), atmospheric layers (troposphere, stratosphere, ozone layer), and basic solar system components (Sun, planets, moons). Memorize the order and key features of these layers.

General Science Fundamentals

Common mistake

Earth & Space Science: Geology, Weather, and Astronomy

Confusing weather (short-term) with climate (long-term patterns).

General Science Fundamentals

Common mistake

Earth & Space Science: Geology, Weather, and Astronomy

Mixing up the order of Earth's internal layers or atmospheric layers.

General Science Fundamentals

Common mistake

Earth & Space Science: Geology, Weather, and Astronomy

Believing the Sun is a planet instead of a star.

General Science Fundamentals

Key term

Keyword

A word or phrase indicating a specific mathematical operation.

Arithmetic Reasoning Mastery

Key term

Multi-step problem

A word problem requiring two or more mathematical operations to solve.

Arithmetic Reasoning Mastery

Key term

Distractor

Irrelevant information included in a problem to mislead or confuse.

Arithmetic Reasoning Mastery

Key term

Unit conversion

Changing a measurement from one unit to another (e.g., minutes to hours).

Arithmetic Reasoning Mastery

Key term

Arithmetic Reasoning

The ASVAB section testing problem-solving with mathematical concepts.

Arithmetic Reasoning Mastery

Key term

Equation

A mathematical statement showing that two expressions are equal.

Arithmetic Reasoning Mastery

Key term

Problem-solving

The process of finding solutions to difficult or complex issues.

Arithmetic Reasoning Mastery

Memory trick

Decoding Word Problems: Strategies and Keywords

KISS: Keep It Simple, Soldier! Don't overcomplicate. Break it down, find the keywords, and solve step-by-step.

Arithmetic Reasoning Mastery

Exam tip

Decoding Word Problems: Strategies and Keywords

ASVAB exam tip: The ASVAB often uses 'of' to indicate multiplication, especially with fractions or percentages (e.g., 'half of 20' means 0.5 * 20). Memorize common keywords for each operation.

Arithmetic Reasoning Mastery

Common mistake

Decoding Word Problems: Strategies and Keywords

Ignoring keywords and guessing the operation.

Arithmetic Reasoning Mastery

Common mistake

Decoding Word Problems: Strategies and Keywords

Trying to solve the entire problem in one go without breaking it down.

Arithmetic Reasoning Mastery

Common mistake

Decoding Word Problems: Strategies and Keywords

Getting sidetracked by irrelevant 'distractor' information.

Arithmetic Reasoning Mastery

Key term

Problem Context

The specific scenario and details surrounding a math problem.

Arithmetic Reasoning Mastery

Key term

Keywords

Words that indicate specific mathematical operations.

Arithmetic Reasoning Mastery

Key term

Estimation

Approximating an answer to check for reasonableness.

Arithmetic Reasoning Mastery

Key term

Units of Measurement

Standard quantities like miles, gallons, dollars, or hours.

Arithmetic Reasoning Mastery

Key term

Rate

A ratio comparing two different quantities, often with different units.

Arithmetic Reasoning Mastery

Memory trick

Real-World Math: From Problems to Solutions

READ the problem, PLAN your steps, DO the math, CHECK your answer (RPDC – like a 'Rapid' problem-solving 'Doc').

Arithmetic Reasoning Mastery

Exam tip

Real-World Math: From Problems to Solutions

The ASVAB often uses scenarios involving military logistics, budgeting, or common daily tasks. Look for phrases like 'how many more,' 'total cost,' 'rate of speed,' or 'percentage increase/decrease.' Always ensure your final answer's units match the question's requirement.

Arithmetic Reasoning Mastery

Common mistake

Real-World Math: From Problems to Solutions

Not reading the entire problem carefully before starting calculations.

Arithmetic Reasoning Mastery

Common mistake

Real-World Math: From Problems to Solutions

Ignoring units of measurement or forgetting to convert them when necessary.

Arithmetic Reasoning Mastery

Common mistake

Real-World Math: From Problems to Solutions

Performing operations in the wrong order, especially with multi-step problems.

Arithmetic Reasoning Mastery

Common mistake

Real-World Math: From Problems to Solutions

Not checking if the final answer makes logical sense in the real-world context.

Arithmetic Reasoning Mastery

Key term

Problem Comprehension

Thoroughly understanding the question and given info.

Arithmetic Reasoning Mastery

Key term

Strategic Planning

Developing a method to solve a problem.

Arithmetic Reasoning Mastery

Key term

Execution

Performing the mathematical calculations accurately.

Arithmetic Reasoning Mastery

Key term

Verification

Checking the answer for reasonableness and accuracy.

Arithmetic Reasoning Mastery

Key term

Intermediate Result

A calculation step before the final answer.

Arithmetic Reasoning Mastery

Memory trick

Mastering Arithmetic Reasoning: Step-by-Step

UPS Check: Understand, Plan, Solve, Check. Like delivering a package, each step is crucial!

Arithmetic Reasoning Mastery

Exam tip

Mastering Arithmetic Reasoning: Step-by-Step

The ASVAB Arithmetic Reasoning section frequently tests your ability to solve multi-step word problems involving percentages, ratios, and rates. Pay close attention to unit conversions (e.g., feet to inches, hours to minutes) as these are common traps.

Arithmetic Reasoning Mastery

Common mistake

Mastering Arithmetic Reasoning: Step-by-Step

Not reading the problem carefully enough, leading to misinterpreting the question.

Arithmetic Reasoning Mastery

Common mistake

Mastering Arithmetic Reasoning: Step-by-Step

Skipping steps or rushing calculations, resulting in arithmetic errors.

Arithmetic Reasoning Mastery

Common mistake

Mastering Arithmetic Reasoning: Step-by-Step

Not checking the final answer for reasonableness or against the original question.

Arithmetic Reasoning Mastery

Key term

Ratio

A comparison of two numbers or quantities, often expressed as a fraction.

Arithmetic Reasoning Mastery

Key term

Percentage

A fraction or ratio out of 100, represented by the % symbol.

Arithmetic Reasoning Mastery

Key term

Average

The sum of a set of numbers divided by the count of numbers in the set.

Arithmetic Reasoning Mastery

Memory trick

Practice with Diverse Arithmetic Reasoning Problems

Don't GET LOST: **G**iven, **E**quation, **T**hink, **L**ogic, **O**perations, **S**olve, **T**est.

Arithmetic Reasoning Mastery

Exam tip

Practice with Diverse Arithmetic Reasoning Problems

The ASVAB often uses scenarios involving military logistics, supplies, and personnel. Look for keywords like 'per,' 'ratio of,' 'percent off,' or 'average speed' to identify the problem type. Memorize common conversion factors like 1 foot = 12 inches.

Arithmetic Reasoning Mastery

Common mistake

Practice with Diverse Arithmetic Reasoning Problems

Misinterpreting keywords (e.g., confusing 'increase by' with 'increase to').

Arithmetic Reasoning Mastery

Common mistake

Practice with Diverse Arithmetic Reasoning Problems

Making calculation errors, especially in multi-step problems.

Arithmetic Reasoning Mastery

Common mistake

Practice with Diverse Arithmetic Reasoning Problems

Not checking if the final answer makes logical sense in the problem's context.

Arithmetic Reasoning Mastery

Key term

Distractors

Irrelevant information in a problem.

Arithmetic Reasoning Mastery

Key term

Strategic thinking

Planning approach to problem-solving.

Arithmetic Reasoning Mastery

Key term

Time management

Efficient allocation of time during test.

Arithmetic Reasoning Mastery

Key term

Sub-problems

Smaller parts of a larger problem.

Arithmetic Reasoning Mastery

Memory trick

Mastering Advanced Arithmetic Reasoning

READ (Read carefully), ISOLATE (Isolate relevant info), PLAN (Plan your steps), SOLVE (Solve methodically), CHECK (Check your answer).

Arithmetic Reasoning Mastery

Exam tip

Mastering Advanced Arithmetic Reasoning

The ASVAB Arithmetic Reasoning section often includes problems requiring conversion between units (e.g., feet to inches, hours to minutes) or working with fractions and percentages in multi-step scenarios. Always check the units required for the final answer.

Arithmetic Reasoning Mastery

Common mistake

Mastering Advanced Arithmetic Reasoning

Using all numbers presented in the problem, even irrelevant ones.

Arithmetic Reasoning Mastery

Common mistake

Mastering Advanced Arithmetic Reasoning

Performing calculations in the wrong order, leading to incorrect intermediate results.

Arithmetic Reasoning Mastery

Common mistake

Mastering Advanced Arithmetic Reasoning

Not checking if the final answer makes logical sense in the context of the problem.

Arithmetic Reasoning Mastery

Key term

Synonym

A word having the same or nearly the same meaning as another word.

Word Knowledge Builder

Key term

Antonym

A word opposite in meaning to another word.

Word Knowledge Builder

Key term

Connotation

An idea or feeling that a word invokes in addition to its literal meaning.

Word Knowledge Builder

Key term

Prefix

An affix placed before a word to modify its meaning.

Word Knowledge Builder

Key term

Vocabulary

The body of words used by a person or group.

Word Knowledge Builder

Key term

Interchangeable

Able to be exchanged with something else without changing meaning.

Word Knowledge Builder

Key term

Nuance

A subtle difference in meaning, expression, or sound.

Word Knowledge Builder

Memory trick

Mastering Synonyms and Antonyms

Think 'S' for 'Synonym' and 'Same,' and 'A' for 'Antonym' and 'Against.'

Word Knowledge Builder

Exam tip

Mastering Synonyms and Antonyms

For the ASVAB, pay close attention to the word in the question and whether you are asked for a word that means 'most nearly the same as' (synonym) or 'most nearly the opposite of' (antonym). Read the options carefully.

Word Knowledge Builder

Common mistake

Mastering Synonyms and Antonyms

Confusing synonyms with antonyms, especially under timed pressure.

Word Knowledge Builder

Common mistake

Mastering Synonyms and Antonyms

Choosing an option that is related to the word but not a direct synonym or antonym.

Word Knowledge Builder

Common mistake

Mastering Synonyms and Antonyms

Ignoring the context of the word if a sentence is provided; context can sometimes narrow down the best fit.

Word Knowledge Builder

Key term

Context Clues

Hints within text that help define unfamiliar words.

Word Knowledge Builder

Key term

Definition Clue

Meaning directly stated or explained in the text.

Word Knowledge Builder

Key term

Synonym Clue

A word or phrase with similar meaning used nearby.

Word Knowledge Builder

Key term

Antonym Clue

A word or phrase with opposite meaning used nearby.

Word Knowledge Builder

Key term

Example Clue

Specific instances that illustrate the word's meaning.

Word Knowledge Builder

Key term

Inference

Deducing meaning based on evidence and reasoning.

Word Knowledge Builder

Key term

Word Knowledge

Ability to understand and use vocabulary effectively.

Word Knowledge Builder

Memory trick

Understanding Word Definitions and Context Clues

D.A.S.H.E.S. for Context Clues: Definitions, Antonyms, Synonyms, Hyphens (for definitions), Examples, Sentence Structure.

Word Knowledge Builder

Exam tip

Understanding Word Definitions and Context Clues

On the ASVAB, the Word Knowledge subtest presents a target word followed by four choices. You must select the option that is closest in meaning to the target word. Look for synonyms, but also be prepared to infer meaning from how the word is used in a sentence if provided.

Word Knowledge Builder

Common mistake

Understanding Word Definitions and Context Clues

Guessing without looking for clues: Always read the entire sentence first.

Word Knowledge Builder

Common mistake

Understanding Word Definitions and Context Clues

Focusing only on the unknown word: The answer is often in the surrounding text.

Word Knowledge Builder

Common mistake

Understanding Word Definitions and Context Clues

Choosing an answer that sounds familiar but doesn't fit the context: Meaning must make sense in the sentence.

Word Knowledge Builder

Key term

Contextual learning

Learning words by understanding their meaning from surrounding text.

Word Knowledge Builder

Key term

Vocabulary journal

A notebook for recording new words, definitions, and example sentences.

Word Knowledge Builder

Key term

Flashcards

Cards used for active recall, with a word on one side and definition on the other.

Word Knowledge Builder

Key term

Spaced repetition

Reviewing learned material at increasing intervals to improve retention.

Word Knowledge Builder

Key term

Etymology

The study of the origin and historical development of words.

Word Knowledge Builder

Key term

Lexicon

The vocabulary of a person, language, or branch of knowledge.

Word Knowledge Builder

Memory trick

Building a Robust Vocabulary

To remember to always 'C.U.R.E.' your vocabulary: Context, Usage, Review, Example!

Word Knowledge Builder

Exam tip

Building a Robust Vocabulary

For the ASVAB, focus on words that appear in common academic and military contexts. Don't just memorize definitions; understand how words are used in sentences. Practice identifying the best synonym or antonym for a given word, even if multiple options seem plausible.

Word Knowledge Builder

Common mistake

Building a Robust Vocabulary

Only memorizing definitions without understanding usage.

Word Knowledge Builder

Common mistake

Building a Robust Vocabulary

Not reviewing new words regularly, leading to quick forgetting.

Word Knowledge Builder

Common mistake

Building a Robust Vocabulary

Ignoring context when encountering unfamiliar words.

Word Knowledge Builder

Common mistake

Building a Robust Vocabulary

Only relying on one method of vocabulary building.

Word Knowledge Builder

Key term

Homophone

Words sounding alike, different spelling/meaning.

Word Knowledge Builder

Key term

Homograph

Words spelled alike, different meaning/pronunciation.

Word Knowledge Builder

Key term

Idiom

Phrase with figurative meaning, not literal.

Word Knowledge Builder

Key term

Affect

Verb: to influence or produce a change.

Word Knowledge Builder

Key term

Effect

Noun: a result or consequence.

Word Knowledge Builder

Key term

Then

Refers to time or sequence.

Word Knowledge Builder

Key term

Than

Used for comparison.

Word Knowledge Builder

Memory trick

Commonly Confused Words and Idioms

For Affect vs. Effect: 'A' for Affect (Action/Verb), 'E' for Effect (End result/Noun).

Word Knowledge Builder

Exam tip

Commonly Confused Words and Idioms

The ASVAB Word Knowledge section frequently tests your ability to distinguish between commonly confused words like 'accept' vs. 'except,' 'complement' vs. 'compliment,' and 'principal' vs. 'principle.' Look for the subtle differences in meaning and usage.

Word Knowledge Builder

Common mistake

Commonly Confused Words and Idioms

Confusing 'their,' 'there,' and 'they're' due to similar sounds.

Word Knowledge Builder

Common mistake

Commonly Confused Words and Idioms

Interpreting idioms literally instead of understanding their figurative meaning.

Word Knowledge Builder

Common mistake

Commonly Confused Words and Idioms

Not using context clues to determine the correct usage of a word.

Word Knowledge Builder

Key term

Main Idea

The central point or message of a paragraph.

Paragraph Comprehension Skills

Key term

Supporting Details

Facts, examples, and reasons that explain the main idea.

Paragraph Comprehension Skills

Key term

Topic Sentence

A sentence that directly states the main idea.

Paragraph Comprehension Skills

Key term

Implied Main Idea

A main idea that is not directly stated but must be inferred.

Paragraph Comprehension Skills

Key term

Evidence

Information used to support a claim or main idea.

Paragraph Comprehension Skills

Key term

Elaboration

The act of adding more detail to something.

Paragraph Comprehension Skills

Memory trick

Identifying Main Ideas and Supporting Details

Think of a 'M'ain idea as the 'M'ap for the paragraph, and 'S'upporting details as the 'S'igns along the way.

Paragraph Comprehension Skills

Exam tip

Identifying Main Ideas and Supporting Details

For the ASVAB, always look for the sentence that best summarizes the entire passage, not just a part of it. Keywords like 'primarily concerns,' 'main point,' or 'best describes' indicate you need the main idea.

Paragraph Comprehension Skills

Common mistake

Identifying Main Ideas and Supporting Details

Confusing a supporting detail for the main idea.

Paragraph Comprehension Skills

Common mistake

Identifying Main Ideas and Supporting Details

Choosing an answer that is too narrow or too broad to be the main idea.

Paragraph Comprehension Skills

Common mistake

Identifying Main Ideas and Supporting Details

Selecting an answer that is true but not the central point of the specific paragraph.

Paragraph Comprehension Skills

Key term

Conclusion

A judgment reached after considering all information.

Paragraph Comprehension Skills

Key term

Textual Evidence

Specific information from the passage supporting an idea.

Paragraph Comprehension Skills

Key term

Stated Information

Facts or ideas explicitly written in the text.

Paragraph Comprehension Skills

Key term

Implied Information

Meaning suggested but not directly expressed.

Paragraph Comprehension Skills

Key term

Logical Deduction

Reasoning from general principles to specific facts.

Paragraph Comprehension Skills

Key term

Assumption

Something taken for granted without proof.

Paragraph Comprehension Skills

Memory trick

Drawing Conclusions and Making Inferences

C-I-E: Conclusions and Inferences need Evidence! Always look for the proof in the paragraph.

Paragraph Comprehension Skills

Exam tip

Drawing Conclusions and Making Inferences

On the ASVAB, pay close attention to questions that use words like 'implies,' 'suggests,' 'infers,' or 'most likely.' These indicate you need to go beyond what is directly stated and make a logical leap based on the provided text.

Paragraph Comprehension Skills

Common mistake

Drawing Conclusions and Making Inferences

Making conclusions based on outside knowledge not present in the text.

Paragraph Comprehension Skills

Common mistake

Drawing Conclusions and Making Inferences

Confusing a personal opinion with a text-supported inference.

Paragraph Comprehension Skills

Common mistake

Drawing Conclusions and Making Inferences

Choosing an answer that is directly stated when the question asks for an inference.

Paragraph Comprehension Skills

Key term

Author's Purpose

The main reason an author writes a text.

Paragraph Comprehension Skills

Key term

To Inform

To present facts, explain, or describe without opinion.

Paragraph Comprehension Skills

Key term

To Persuade

To convince the reader to agree or take action.

Paragraph Comprehension Skills

Key term

To Entertain

To amuse, delight, or engage the reader.

Paragraph Comprehension Skills

Key term

Author's Tone

The author's attitude toward the subject or audience.

Paragraph Comprehension Skills

Key term

Diction

An author's specific choice of words.

Paragraph Comprehension Skills

Key term

Neutral Tone

Objective, unbiased, and factual writing.

Paragraph Comprehension Skills

Key term

Critical Tone

Expressing disapproval or negative judgment.

Paragraph Comprehension Skills

Memory trick

Author's Purpose and Tone

P-I-E for Purpose: Persuade, Inform, Entertain. Tone is like your voice – how you say it, not just what you say.

Paragraph Comprehension Skills

Exam tip

Author's Purpose and Tone

On the ASVAB, look for keywords. For purpose, 'explains,' 'describes,' 'argues,' 'suggests,' 'illustrates' are common. For tone, identify adjectives that describe the author's attitude, such as 'optimistic,' 'skeptical,' 'humorous,' or 'solemn.'

Paragraph Comprehension Skills

Common mistake

Author's Purpose and Tone

Confusing the reader's feeling (mood) with the author's attitude (tone).

Paragraph Comprehension Skills

Common mistake

Author's Purpose and Tone

Assuming an author's purpose is only one thing; sometimes purposes are mixed, but one is usually dominant.

Paragraph Comprehension Skills

Common mistake

Author's Purpose and Tone

Ignoring subtle word choices that reveal a nuanced tone.

Paragraph Comprehension Skills

Key term

Previewing

Quickly scanning text to get a general idea.

Paragraph Comprehension Skills

Key term

Active Reading

Engaging with text by highlighting, summarizing, and questioning.

Paragraph Comprehension Skills

Key term

Process of Elimination

Removing incorrect answer choices to find the right one.

Paragraph Comprehension Skills

Key term

Transition Words

Words connecting ideas, like 'however' or 'therefore'.

Paragraph Comprehension Skills

Memory trick

Effective Reading for ASVAB Success

PQAR: Preview, Questions, Active Read, Review. It's like preparing for a mission: first survey the area, then know your objectives, execute the plan, and finally, confirm success!

Paragraph Comprehension Skills

Exam tip

Effective Reading for ASVAB Success

The ASVAB Paragraph Comprehension section often includes passages about science, history, or technical topics. Be prepared for varied vocabulary and complex sentence structures. Focus on identifying the main point and key details, as questions frequently test these directly.

Paragraph Comprehension Skills

Common mistake

Effective Reading for ASVAB Success

Reading the passage too slowly or too quickly without comprehension.

Paragraph Comprehension Skills

Common mistake

Effective Reading for ASVAB Success

Not reading the questions before the passage, leading to inefficient reading.

Paragraph Comprehension Skills

Common mistake

Effective Reading for ASVAB Success

Choosing an answer based on personal opinion rather than information in the text.

Paragraph Comprehension Skills

Key term

Algebraic Expression

Numbers, variables, operations; no equals.

Mathematics Knowledge Essentials

Key term

Algebraic Equation

Two expressions equal; contains equals sign.

Mathematics Knowledge Essentials

Key term

Variable

Symbol (letter) representing an unknown value.

Mathematics Knowledge Essentials

Key term

Constant

A fixed numerical value that does not change.

Mathematics Knowledge Essentials

Key term

Coefficient

Number multiplying a variable.

Mathematics Knowledge Essentials

Key term

Inverse Operations

Operations that undo each other (e.g., + and -).

Mathematics Knowledge Essentials

Key term

Isolate the Variable

Get the variable alone on one side.

Mathematics Knowledge Essentials

Memory trick

Algebra Foundations: Equations and Expressions

EQuality means EQuals. If you see an equals sign, it's an EQuation!

Mathematics Knowledge Essentials

Exam tip

Algebra Foundations: Equations and Expressions

The ASVAB often uses 'what is the value of x?' or 'solve for y' to indicate equation-solving. Be prepared to identify variables and constants quickly.

Mathematics Knowledge Essentials

Common mistake

Algebra Foundations: Equations and Expressions

Confusing expressions with equations; remember, only equations can be 'solved'.

Mathematics Knowledge Essentials

Common mistake

Algebra Foundations: Equations and Expressions

Forgetting to perform operations on BOTH sides of an equation, leading to an unbalanced result.

Mathematics Knowledge Essentials

Common mistake

Algebra Foundations: Equations and Expressions

Incorrectly applying inverse operations (e.g., adding when you should subtract).

Mathematics Knowledge Essentials

Key term

Perimeter

The total distance around the outside of a 2D shape.

Mathematics Knowledge Essentials

Key term

Area

The amount of surface a 2D shape covers.

Mathematics Knowledge Essentials

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Volume

The amount of space a 3D object occupies or holds.

Mathematics Knowledge Essentials

Key term

Angle

Formed by two rays meeting at a common endpoint (vertex).

Mathematics Knowledge Essentials

Key term

Vertex

The common endpoint where two rays of an angle meet.

Mathematics Knowledge Essentials

Key term

Acute Angle

An angle measuring less than 90 degrees.

Mathematics Knowledge Essentials

Key term

Right Angle

An angle measuring exactly 90 degrees.

Mathematics Knowledge Essentials

Key term

Obtuse Angle

An angle measuring greater than 90 but less than 180 degrees.

Mathematics Knowledge Essentials

Memory trick

Geometry Basics: Shapes, Angles, and Formulas

PAV: 'P'erimeter is 'A'round, 'A'rea is 'V'er the surface, 'V'olume is 'I'nside. (PAV-AVI)

Mathematics Knowledge Essentials

Exam tip

Geometry Basics: Shapes, Angles, and Formulas

For ASVAB geometry questions, pay close attention to units (e.g., feet, square feet, cubic feet) and whether the question asks for perimeter, area, or volume. Keywords like 'distance around' imply perimeter, 'surface covered' implies area, and 'space occupied' implies volume.

Mathematics Knowledge Essentials

Common mistake

Geometry Basics: Shapes, Angles, and Formulas

Confusing perimeter with area, especially for rectangles.

Mathematics Knowledge Essentials

Common mistake

Geometry Basics: Shapes, Angles, and Formulas

Using the wrong formula for a given shape (e.g., circle area vs. circumference).

Mathematics Knowledge Essentials

Common mistake

Geometry Basics: Shapes, Angles, and Formulas

Forgetting to include units (e.g., 'square feet' for area, 'cubic feet' for volume).

Mathematics Knowledge Essentials

Key term

Addition

Combining two or more numbers.

Mathematics Knowledge Essentials

Key term

Subtraction

Finding the difference between numbers.

Mathematics Knowledge Essentials

Key term

Multiplication

Repeated addition of a number.

Mathematics Knowledge Essentials

Key term

Division

Splitting into equal parts or groups.

Mathematics Knowledge Essentials

Key term

PEMDAS/BODMAS

Order of operations acronym.

Mathematics Knowledge Essentials

Key term

Commutative Property

Order doesn't affect sum/product.

Mathematics Knowledge Essentials

Key term

Associative Property

Grouping doesn't affect sum/product.

Mathematics Knowledge Essentials

Key term

Distributive Property

Multiplication over addition/subtraction.

Mathematics Knowledge Essentials

Memory trick

Arithmetic Review: Operations & Number Properties

Please Excuse My Dear Aunt Sally (PEMDAS) helps remember Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

Mathematics Knowledge Essentials

Exam tip

Arithmetic Review: Operations & Number Properties

The ASVAB often tests PEMDAS with expressions that include parentheses and exponents. Look for keywords like 'evaluate' or 'simplify' and always perform operations from left to right for multiplication/division and addition/subtraction.

Mathematics Knowledge Essentials

Common mistake

Arithmetic Review: Operations & Number Properties

Ignoring the order of operations, especially when multiplication/division or addition/subtraction appear together (always left to right).

Mathematics Knowledge Essentials

Common mistake

Arithmetic Review: Operations & Number Properties

Applying commutative or associative properties to subtraction or division.

Mathematics Knowledge Essentials

Common mistake

Arithmetic Review: Operations & Number Properties

Incorrectly distributing a negative sign when using the distributive property.

Mathematics Knowledge Essentials

Key term

Prime Number

Whole number > 1 with only two divisors: 1 and itself.

Mathematics Knowledge Essentials

Key term

Composite Number

Whole number > 1 with more than two divisors.

Mathematics Knowledge Essentials

Key term

Least Common Multiple (LCM)

Smallest positive integer divisible by all given numbers.

Mathematics Knowledge Essentials

Key term

Greatest Common Factor (GCF)

Largest positive integer that divides all given numbers.

Mathematics Knowledge Essentials

Key term

Prime Factorization

Expressing a composite number as a product of prime factors.

Mathematics Knowledge Essentials

Key term

Set

A well-defined collection of distinct objects or elements.

Mathematics Knowledge Essentials

Key term

Union (∪)

Set of all elements in either or both sets.

Mathematics Knowledge Essentials

Memory trick

Number Theory and Advanced Math Concepts

For GCF vs. LCM: 'GCF is Great for Cutting (dividing), LCM is Lovely for Cycles (repeating events).'

Mathematics Knowledge Essentials

Exam tip

Number Theory and Advanced Math Concepts

The ASVAB often tests your ability to quickly identify prime numbers up to 100 or to find the prime factorization of a two-digit number. Memorize the first few prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31.

Mathematics Knowledge Essentials

Common mistake

Number Theory and Advanced Math Concepts

Confusing prime and composite numbers, especially with 1 (which is neither).

Mathematics Knowledge Essentials

Common mistake

Number Theory and Advanced Math Concepts

Mixing up GCF and LCM; remember GCF is about common factors, LCM about common multiples.

Mathematics Knowledge Essentials

Common mistake

Number Theory and Advanced Math Concepts

Forgetting to include all prime factors (including duplicates) when calculating LCM or GCF from prime factorization.

Mathematics Knowledge Essentials

Key term

Current

Flow of electric charge, measured in Amperes (A).

Electronics Information Explained

Key term

Voltage

Electrical 'pressure' or 'push', measured in Volts (V).

Electronics Information Explained

Key term

Resistance

Opposition to current flow, measured in Ohms (Ω).

Electronics Information Explained

Key term

Conductor

Material with low resistance, allows current to flow easily.

Electronics Information Explained

Key term

Insulator

Material with high resistance, prevents current flow.

Electronics Information Explained

Key term

Ohm

Unit of measurement for electrical resistance.

Electronics Information Explained

Key term

Ampere

Unit of measurement for electric current.

Electronics Information Explained

Key term

Volt

Unit of measurement for electric potential difference.

Electronics Information Explained

Memory trick

Basic Electrical Principles: Current, Voltage, Resistance

Remember 'VIR': Voltage Is Resistance times Current (V=IR) for Ohm's Law, which connects them all!

Electronics Information Explained

Exam tip

Basic Electrical Principles: Current, Voltage, Resistance

The ASVAB Electronics Information section frequently tests your understanding of the units for current, voltage, and resistance. Memorize that current is Amps, voltage is Volts, and resistance is Ohms.

Electronics Information Explained

Common mistake

Basic Electrical Principles: Current, Voltage, Resistance

Confusing the units: Amps for voltage, Volts for current, etc. Always double-check units.

Electronics Information Explained

Common mistake

Basic Electrical Principles: Current, Voltage, Resistance

Thinking current can flow without voltage: Voltage is the necessary 'push'.

Electronics Information Explained

Common mistake

Basic Electrical Principles: Current, Voltage, Resistance

Believing resistance always stops current: Resistance just opposes it, it doesn't necessarily block it entirely (unless infinite).

Electronics Information Explained

Key term

Series Circuit

Components connected in a single path.

Electronics Information Explained

Key term

Parallel Circuit

Components connected across multiple paths.

Electronics Information Explained

Key term

Ohm's Law

V = I × R; relates voltage, current, resistance.

Electronics Information Explained

Key term

Voltage (V)

Electrical potential difference, measured in Volts.

Electronics Information Explained

Key term

Current (I)

Flow of electric charge, measured in Amperes.

Electronics Information Explained

Key term

Resistance (R)

Opposition to current flow, measured in Ohms.

Electronics Information Explained

Key term

Total Resistance

Combined resistance of all components.

Electronics Information Explained

Memory trick

Understanding Circuits: Series, Parallel, and Ohm's Law

Remember 'VIR' for Voltage, Current, Resistance, arranged in a triangle where V is on top, I and R are on the bottom. Cover the one you want to find!

Electronics Information Explained

Exam tip

Understanding Circuits: Series, Parallel, and Ohm's Law

The ASVAB often asks to identify circuit types based on behavior (e.g., 'If one light goes out, all go out, what circuit type?'). Memorize the V=IR formula and its rearrangements.

Electronics Information Explained

Common mistake

Understanding Circuits: Series, Parallel, and Ohm's Law

Confusing current and voltage behavior in series vs. parallel circuits.

Electronics Information Explained

Common mistake

Understanding Circuits: Series, Parallel, and Ohm's Law

Incorrectly applying Ohm's Law by mixing up which variable goes where.

Electronics Information Explained

Common mistake

Understanding Circuits: Series, Parallel, and Ohm's Law

Forgetting that total resistance in parallel circuits is not a simple sum.

Electronics Information Explained

Key term

Resistor

Component that opposes electric current flow.

Electronics Information Explained

Key term

Capacitor

Component that stores electrical energy.

Electronics Information Explained

Key term

Diode

Allows current to flow in one direction.

Electronics Information Explained

Key term

Transistor

Amplifies signals or acts as a switch.

Electronics Information Explained

Key term

Integrated Circuit (IC)

Miniature circuit on a single semiconductor chip.

Electronics Information Explained

Key term

Passive Component

Does not require external power; does not amplify.

Electronics Information Explained

Key term

Active Component

Requires external power; can amplify or control.

Electronics Information Explained

Memory trick

Electronic Devices and Components Identification

Remember 'R-C-D-T-I' for Resistor, Capacitor, Diode, Transistor, IC. 'Really Cool Devices Take Intelligence!'

Electronics Information Explained

Exam tip

Electronic Devices and Components Identification

The ASVAB often tests on the visual identification of components and their primary function. Pay close attention to distinguishing features like color bands on resistors, polarity markings on diodes and capacitors, and the general shape of ICs.

Electronics Information Explained

Common mistake

Electronic Devices and Components Identification

Confusing resistors and capacitors by their appearance; resistors have color bands, capacitors come in many forms but often have polarity markings.

Electronics Information Explained

Common mistake

Electronic Devices and Components Identification

Misunderstanding the difference between active (amplifies/controls) and passive (limits/stores) components.

Electronics Information Explained

Common mistake

Electronic Devices and Components Identification

Incorrectly identifying the function of a diode versus a transistor; diodes are one-way gates, transistors are switches/amplifiers.

Electronics Information Explained