PrepGrid Exam

GED Math Practice Test (Free) with Answers

Practice GED Mathematical Reasoning with exam-style questions, step-by-step explanations and a free 23-question test. Full exams have 46 questions split between quantitative and algebraic problem solving.

Try 4 sample GED math questions

1. A bag has 7 red, 9 blue and 8 green marbles. One marble is drawn at random. What is the probability it is green?

  • A. 1/2
  • B. 1/24
  • C. 1/3
  • D. 2/3
Show answer and explanation

Correct answer: C. 8 favorable out of 24 total = 1/3.

2. A right triangle has legs of 10 and 24 units. What is the length of the hypotenuse?

  • A. 26
  • B. 34
  • C. 14
  • D. 27
Show answer and explanation

Correct answer: A. c² = 10² + 24² = 676; c = 26.

3. What is 5/9 × 4/5?

  • A. 4/9
  • B. 1 16/45
  • C. 25/36
  • D. 1 3/7
Show answer and explanation

Correct answer: A. Multiply numerators and denominators: 20/45 = 4/9.

4. A theater sold adult tickets at $8 and child tickets at $5. In all, 13 tickets were sold for a total of $83. How many adult tickets were sold?

  • A. 7
  • B. 10
  • C. 5
  • D. 6
Show answer and explanation

Correct answer: D. Let a + c = 13 and 8a + 5c = 83. Substituting c = 13 − a gives 3a = 18, so a = 6.

What the GED math practice exams cover

PrepGrid Exam draws on more than 930 verified Math questions across these topics:

  • Data & Statistics
  • Decimals
  • Expressions
  • Fractions
  • Functions
  • Geometry
  • Graphs & Slope
  • Inequalities
  • Linear Equations
  • Measurement
  • Number Sense
  • Percents
  • Probability
  • Quadratics
  • Ratios & Proportions
  • Systems of Equations

How the practice exams work

  • Free: one fixed 23-question test, same every time, with full explanations.
  • Full access: your first 10 full-length exams are completely different from each other; after that you get unlimited newly generated exams.
  • Two modes: reveal the answer on each question, or grade everything at the end.
  • Optional timer for test-day pacing.

GED math study tips

  1. Take the free test cold to find your weak topics.
  2. Redo the questions you missed after reading each explanation.
  3. Practice fractions, percents and linear equations first: they appear throughout the exam.
  4. Switch to timed mode in your last two weeks.

Questions

Is PrepGrid Exam free?

You can create a free account and take one fixed 23-question Math practice test with full explanations. Full access to every subject and unlimited exams costs $39 for the first 6 months.

How much does full access cost?

$39 one-time for your first 6 months of full access. Renewing costs $25 for each additional 6 months. Renewing early adds time after your current end date, so you never lose days.

Does my subscription renew automatically?

No. PrepGrid Exam is prepaid access. We email you 3 weeks, 2 weeks and 1 week before your access ends, with a one-click renewal link. You are only charged if you choose to renew.