Take our GED math practice test and see how you do. Our GED math diagnostic exam consists of 20 total questions on various math topics and concepts.
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GED Math Diagnostic Pretest
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Question 1 of 20
1. Question
(Use π ≅ 3.14)

If the area of the circle is 908 square cm, then the approximate diameter of the circle is cm.
CorrectIncorrect 

Question 2 of 20
2. Question
Find the value of the expression using the order of operations (PEMDAS):
5.5\times\left(\frac{2}{11}+\frac{1}{16.5}\right)\left(\frac{7}{2}\div7\right)+5.25
CorrectIncorrect 
Question 3 of 20
3. Question
A water tank is in the shape of a cube that holds a volume of 216 cubic meters. If this tank is used to store water for a city’s daily consumption needs, what is the length of each side of this cubeshaped water tank?
CorrectIncorrect 
Question 4 of 20
4. Question
John is an architect designing a model for a building. He uses a scale where 1 inch represents 5 feet. After completing the model, he measures the height of the building in his model and finds it to be 9.5 inches. What is the actual height of the building in feet?
CorrectIncorrect 
Question 5 of 20
5. Question
Charter bus rentals for day trips have a base fee of $300 plus an additional $4 per mile traveled. In addition, a 10% tax is added to the total cost. Let x denote the number of miles traveled in a trip.
Which of the following expressions represents the total cost (in dollars) of renting a charter bus, including taxes?
CorrectIncorrect 
Question 6 of 20
6. Question
Find the mean, median, and mode for the data in the table below:
PriceEarnings Ratios for Eight Stocks in a Portfolio 5.7 9.3 19.3 35.1 12.6 8.1 9.3 16.4 Sort elements
 14.48
 10.95
 9.3
 12.6

Mean

Median

Mode

Not Used
CorrectIncorrect 
Question 7 of 20
7. Question
What is the value of the given expression at x = \frac{3}{4} and y = \frac{4}{3} ?
16x² + 24xy + 9y²
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Question 8 of 20
8. Question
If the equation of the line with a slope of 2 passing through the points (5, 3) and (1, y), then what is the value of y?
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Question 9 of 20
9. Question
Tom is three times as old as Alex. If T represents Tom’s age and A represents Alex’s age, which of the following expressions represents Alex’s age in terms of Tom’s age?
CorrectIncorrect 
Question 10 of 20
10. Question
If the dimensions of the rectangle is given as: 3x² + 5y for the length and 2x² + 3y for the width, then the perimeter of the rectangle is (choose a, b, or c). Also, the perimeter of the rectangle when x = 2 and y = 2 is (choose d, e, or f).
CorrectIncorrect 
Question 11 of 20
11. Question
Find the value of the constant α in the following equation:
7x\left(x5\right)+6\left(x5\right)=\alpha x^2+\beta x+\gamma
CorrectIncorrect 
Question 12 of 20
12. Question
Tom and Lisa both work at a local cafe. Tom earns $10 per hour, while Lisa earns $8 per hour. They worked for a total of 40 hours in a week. Together, they earn a total of $380. How many hours did they each work during the week?
CorrectIncorrect 
Question 13 of 20
13. Question
y + 3 is a factor of which of the following polynomials?
 a(y) = y² – 2y – 3
 b(y) = y² – 4y + 3
 c(y) = y³ + 3y² – y – 3
 d(y) = y³ + 3y² – 4y – 12
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Question 14 of 20
14. Question
Simplify: 5+\frac{3}{5}\times\left(2.5\frac{1}{3}\right)+{0.2}^2
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Question 15 of 20
15. Question
Which of the following is the equivalent form of the expression \frac{7}{3x1}\frac{2}{x+3}\frac{2}{3x1} ?
CorrectIncorrect 
Question 16 of 20
16. Question
Alex drives for a ridesharing service and earns $150 for a 5hour shift. He wants to represent his earnings as a linear equation, with x representing the number of hours he works and y representing the amount of money earned.
What is the slope of the linear equation in this case?
CorrectIncorrect 
Question 17 of 20
17. Question
If there are 0.0833 feet in an inch, and the height of a building is 1131 inches, then what is the height of the same building in feet? (Round to two decimal places.)
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Question 18 of 20
18. Question
A consultant earns a fixed fee of $350 per project plus a 12% commission on the total project cost. If the total cost of a project is $5,800, how much will the consultant earn for that project?
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Question 19 of 20
19. Question
Lisa is currently planning a road trip from one city to another. On her map, 4 centimeters represents 60 kilometers. She measures the distance between the two cities on the map and finds it to be 20 centimeters. How many kilometers apart are the two cities?
CorrectIncorrect 
Question 20 of 20
20. Question
From a set of numbers 120, one number is selected at random. What is the probability that the number selected is a multiple of 3?
CorrectIncorrect
Ready for All GED Subjects?
Take our comprehensive diagnostic exam that covers all 4 subjects of the GED. Instantly find out if you are ready for the exam.
GED Math Overview
The GED math section is 1 of 4 total sections on the GED exam. In order to receive your GED certificate, you will need to pass all 4 sections of the exam.
You can expect the following on the GED math portion of the exam:
 Number of Sections: 2
 Number of Questions: 46
 Time Limit: 115 Minutes
Questions on this section of the exam will be broken into 4 main categories:
 Basic Math
 Geometry
 Basic Algebra
 Graphs and Functions
If you would like to practice for other sections of the exam, answer more of our GED practice questions.
GED Math FAQs
Yes, you will be able to use a calculator. However, there will be 1 short section in which you will not be able to use a calculator.
There will be about 46 total questions on the math portion of the exam. They will be split up between the 2 sections.
You will have a total of 115 minutes to take the math portion of the exam.
You will need to score a 145 or higher to pass GED math. Scoring higher than 145 can be beneficial as it may allow you to receive college credit or test out of courses in college.
Yes, you can retake the math section. However, the retake policy varies by state. Some states may require you to wait between retakes.
Our GED prep course covers all 4 subjects and includes 16 fulllength exams. We cover every math concept you need to know and drilldown these concepts with over 900+ practice questions.