Free lessons and practice tests for the ASVAB. All the info you need for a high score, always 100% free!

Arithmetic Reasoning
- About the Arithmetic Reasoning Subtest
- Place Value (Set 2, Set 3)
- Order of Operations (Part 2, Part 3, Part 4, Part 5)
- Adding Decimals (Set 2, Set 3)
- Subtracting Decimals (Set 2, Set 3)
- Multiplying Decimals (Set 2, Set 3, Set 4, Set 5)
- Dividing Decimals (Set 2, Set 3, Set 4, Set 5)
- Fraction Basics
- Adding Fractions (Part 2, Part 3, Part 4)
- Subtracting Fractions (Set 2)
- Multiplying Fractions (Set 2, Set 3, Set 4)
- Dividing Fractions (Set 2, Set 3, Set 4)
- Percent Change (Part 2)
- Perfect Squares and Roots (Part 2, Part 3, Part 4)
- Simplifying Exponents (Part 2)
- Mean
- Median (Part 2)
- Mode
- Working with Graphs
- Calculating Interest
Mathematics Knowledge
- About the Mathematics Knowledge Subtest
- ASVAB Mathematics Knowledge Practice Test
- Rounding (Set 2, Set 3, Set 4)
- Simple Equations (Part 2)
- Distributive Property
- Solving Multi-step Inequalities
- Probability
- Area (Part 2, Part 3)
- Perimeter and Circumference (Part 2)
Paragraph Comprehension
- About the Paragraph Comprehension Subtest
- Aesop’s Fables
- American Bison
- An Anecdote of Washington
- Short Reading Exercises 1
- Short Reading Exercises 2
- Short Reading Exercises 3
- Short Reading Exercises 4
Word Knowledge
- ASVAB Word Knowledge Practice Test (Set 2, Set 3, Set 4, Set 5, Set 6, Set 7, Set 8, Set 9, Set 10, Set 11, Set 12, Set 13, Set 14, Set 15, Set 16, Set 17, Set 18, Set 19, Set 20, Set 21, Set 22, Set 23, Set 24, Set 25, Set 26, Set 27, Set 28, Set 29, Set 30, Set 31, Set 32, Set 33, Set 34)
Auto Information
- Guide to the Auto Information Subtest
- ASVAB Auto Information Practice Test
- The Four-Stroke Engine
- Transmissions
- Brakes
- Radiators and the Cooling System
- Automotive Electrical System
- Tools
- Performance Gauges
- Filters
- Lubrication System
- Exhaust System
- Steering System
- Valve Train
- Tires and Wheels
Shop Information
- About the Shop Information Subtest
- ASVAB Shop Information Practice Test
- Carpentry Tools
- Gardening and Lawncare Tools
- Nails, Screws, and Bolts
General Science
- About the General Science Subtest
- ASVAB General Science Practice Test
- Biological Classification
- Life Processes
- Basic Nutrition
- Cells
- Cell Processes
- Digestive System
- Endocrine System
- Immune System
- Integumentary System
- Nervous System
- Reproductive System
- Respiratory System
- Urinary and Excretory Systems
- Biomes
- Layers of the Atmosphere
- Ocean Zones
- Geology
- The Periodic Table
- Metric System: Abbreviations (Set 2)
- Metric System: Conversions (Set 2, Set 3, Set 4, Set 5)
- Temperature Conversions
Mechanical Comprehension
- About the Mechanical Comprehension Subtest
- ASVAB Mechanical Comprehension Practice Test
- Simple Machines
- Compound Machines
- Mechanical Motion
- Mechanical Advantage
Electronics Information
- About the Electronics Information Subtest
- ASVAB Electronics Information Practice Test
- Basic Terms
- Electrical Components
Guide to the ASVAB
Other ASVAB Resources
- Official ASVAB website
- Grammar Hero on YouTube: helpful videos on a range of ASVAB topics
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