AFQT Subtest

ASVAB Mathematics Knowledge (MK)

MK tests pure math: algebra, geometry, and number properties. It feeds directly into your AFQT score.

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25

Questions

24 min

Time

Yes

Affects AFQT?

What MK Measures

Knowledge of algebraic equations, geometric properties, number theory, and mathematical operations typically covered through Algebra I and basic Geometry.

Common Question Types

Algebra

Solve equations, inequalities, and expressions

Geometry

Angles, triangles, circles, area, volume

Number Properties

Factors, multiples, primes, exponents

Fractions & Decimals

Operations with fractions, decimals, percents

Order of Operations

PEMDAS applied to multi-step expressions

5 Example Questions

Try these — tap any question to reveal the answer.

Q1Solve for x: 3x + 7 = 22

A) 3

B) 5

C) 7

D) 15

Q2What is the area of a triangle with base 10 and height 6?

A) 16

B) 30

C) 60

D) 36

Q3What is 3⁴?

A) 12

B) 27

C) 81

D) 64

Q4If a circle has radius 7, what is its circumference? (Use π ≈ 22/7)

A) 22

B) 44

C) 154

D) 88

Q5Simplify: (2x²)(3x³)

A) 5x⁵

B) 6x⁵

C) 6x⁶

D) 5x⁶

Study Tips for MK

1Memorize key formulas: area of triangle, circle circumference, Pythagorean theorem.
2Practice factoring and simplifying expressions until it is automatic.
3On geometry questions, draw a quick sketch to visualize the problem.

Line Scores That Use MK

Your MK score feeds into these composite scores, which determine job eligibility:

AFQTEL (Navy)ST (Army)Most technical composites

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Free ASVAB Study Cheat Sheet

Key formulas, line score composites, and score benchmarks in one printable PDF.

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