Use these 40 GED math practice test questions with answers to review foundational number skills, algebra, ratios, word problems, geometry, and data interpretation. The five rounds provide answers and short explanations for checking your methods. This is an independent practice set, not an official GED test or a prediction of exam performance; work through each question before viewing its solution.
Round 1: GED math practice test questions on number skills
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What is 3/4 divided by 1/2?
Answer: 3/2, or 1 1/2. Explanation: Multiply 3/4 by the reciprocal of 1/2: 3/4 × 2/1 = 6/4 = 3/2.
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What is 15% of 80?
Answer: 12. Explanation: Convert 15% to 0.15, then multiply: 0.15 × 80 = 12.
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Evaluate −7 + 12 − 4.
Answer: 1. Explanation: First, −7 + 12 = 5; then 5 − 4 = 1.
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What is 2.4 × 0.5?
Answer: 1.2. Explanation: Multiplying by 0.5 is the same as taking half of 2.4.
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Write 0.375 as a fraction in simplest form.
Answer: 3/8. Explanation: 0.375 = 375/1,000; dividing numerator and denominator by 125 gives 3/8.
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A $60 jacket is discounted by 25%. What is the price before tax?
Answer: $45. Explanation: The discount is 0.25 × $60 = $15, so the price is $60 − $15 = $45.
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Evaluate 18 − 2 × (3 + 4).
Answer: 4. Explanation: Calculate inside the parentheses first, then multiply: 18 − 2 × 7 = 18 − 14 = 4.
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What is 5/6 − 1/4?
Answer: 7/12. Explanation: Use a common denominator: 10/12 − 3/12 = 7/12.
Round 2: Expressions, equations, and inequalities
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Simplify 4(2x − 3) + x.
Answer: 9x − 12. Explanation: Distribute the 4 to get 8x − 12, then combine 8x and x.
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If a = −2 and b = 3, what is 2a² + b?
Answer: 11. Explanation: Square −2 first: 2(4) + 3 = 11. The square applies to the entire value of a.
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Solve 3x + 5 = 20.
Answer: x = 5. Explanation: Subtract 5 from both sides to get 3x = 15, then divide by 3.
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Solve −2x > 6.
Answer: x < −3. Explanation: Divide both sides by −2 and reverse the inequality because you divided by a negative number.
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Solve 5(x − 2) = 3x + 6.
Answer: x = 8. Explanation: Expand to get 5x − 10 = 3x + 6. Subtract 3x and add 10: 2x = 16.
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For which value of x is 7/(x − 4) undefined?
Answer: x = 4. Explanation: A fraction is undefined when its denominator is zero. Set x − 4 = 0.
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Solve x/3 + 2 = 7.
Answer: x = 15. Explanation: Subtract 2 to get x/3 = 5, then multiply both sides by 3.
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Which expression is equivalent to x² + 5x + 6?
Answer: (x + 2)(x + 3). Explanation: Expanding gives x² + 3x + 2x + 6 = x² + 5x + 6.
Round 3: Ratios, word problems, and linear relationships
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A car travels 150 miles in 3 hours at a constant speed. What is its speed in miles per hour?
Answer: 50 miles per hour. Explanation: Divide distance by time: 150 miles ÷ 3 hours = 50 miles per hour.
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A line passes through (0, 2) and (2, 6). What is its slope?
Answer: 2. Explanation: Slope is the change in y divided by the change in x: (6 − 2)/(2 − 0) = 2.
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A recipe uses 2 cups of rice for 5 servings. At the same rate, how many cups are needed for 15 servings?
Answer: 6 cups. Explanation: Fifteen servings is three times five servings, so multiply 2 cups by 3.
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A taxi charges a $4 starting fee plus $2 per mile. What is the fare for 7 miles?
Answer: $18. Explanation: Add the starting fee to the mileage charge: $4 + $2 × 7 = $18.
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A worker earns $18 per hour. How much does the worker earn for 12 hours at that rate, before deductions?
Answer: $216. Explanation: Multiply the hourly rate by the hours: $18 × 12 = $216.
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A line has the equation y = 3x − 1. What is y when x = 4?
Answer: 11. Explanation: Substitute 4 for x: y = 3(4) − 1 = 11.
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On a coordinate plane, a point moves from (−2, 3) to (4, 3). How many units does it move horizontally?
Answer: 6 units. Explanation: The y-coordinate stays the same, and the x-coordinate increases by 4 − (−2) = 6.
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Three notebooks cost $7.50 at the same price each. How much do five notebooks cost?
Answer: $12.50. Explanation: One notebook costs $7.50 ÷ 3 = $2.50; five cost 5 × $2.50 = $12.50.
Round 4: Geometry and measurement
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What is the area of a rectangle that is 8 cm long and 5 cm wide?
Answer: 40 cm². Explanation: Rectangle area is length × width: 8 × 5 = 40 square centimeters.
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A right triangle has legs of 3 cm and 4 cm. How long is its hypotenuse?
Answer: 5 cm. Explanation: By the Pythagorean theorem, the hypotenuse squared is 3² + 4² = 25, so its length is 5 cm.
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What is the perimeter of a rectangle with length 9 inches and width 4 inches?
Answer: 26 inches. Explanation: Add all four sides, or use 2(length + width): 2(9 + 4) = 26.
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What is the volume of a rectangular box measuring 3 ft by 4 ft by 5 ft?
Answer: 60 ft³. Explanation: Multiply length, width, and height: 3 × 4 × 5 = 60 cubic feet.
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A triangle has a base of 10 meters and a perpendicular height of 6 meters. What is its area?
Answer: 30 m². Explanation: Triangle area is 1/2 × base × height: 1/2 × 10 × 6 = 30.
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A circle has a radius of 4 cm. What is its circumference in terms of π?
Answer: 8π cm. Explanation: Circumference is 2πr, so 2π(4) = 8π cm.
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How many inches are in 3.5 feet? Use 12 inches per foot.
Answer: 42 inches. Explanation: Multiply 3.5 feet by 12 inches per foot.
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Two angles in a triangle measure 50° and 65°. What is the measure of the third angle?
Answer: 65°. Explanation: The angles of a triangle sum to 180°, so 180° − 50° − 65° = 65°.
Round 5: Tables, charts, and data
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What is the mean of 4, 6, 8, and 10?
Answer: 7. Explanation: Add the values and divide by four: (4 + 6 + 8 + 10) ÷ 4 = 7.
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A class records 3, 5, and 7 books read over three weeks. How many books were read in total?
Answer: 15 books. Explanation: Add the weekly counts: 3 + 5 + 7 = 15.
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What is the median of 9, 2, 7, 4, and 6?
Answer: 6. Explanation: Put the values in order: 2, 4, 6, 7, 9. The middle value is 6.
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What is the range of the values 12, 18, 11, and 15?
Answer: 7. Explanation: Subtract the smallest value from the largest: 18 − 11 = 7.
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A survey records 8 votes for apples, 5 for bananas, and 7 for oranges. What fraction of the 20 votes were for apples?
Answer: 2/5. Explanation: Apples received 8 of 20 votes, and 8/20 simplifies to 2/5.
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A chart shows that a store sold 24 pens on Monday and 30 pens on Tuesday. By what percent did sales increase from Monday to Tuesday?
Answer: 25%. Explanation: The increase was 6 pens. Divide by the original 24: 6/24 = 0.25 = 25%.
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A bag contains 3 red and 5 blue marbles. If one marble is drawn at random, what is the probability it is red?
Answer: 3/8. Explanation: Three of the eight marbles are red, and each marble is equally likely to be drawn.
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Four quiz scores are 70, 80, 80, and 90. What is the mode?
Answer: 80. Explanation: The mode is the most frequent value; 80 occurs twice and each other score occurs once.
How to use and adapt GED math practice questions
Track errors and choose what to practice next
Note the question number, skill, and reason for each mistake. For example, distinguish an arithmetic error in Q8 from an inequality-sign error in Q12. Revisit the relevant round, then solve a fresh problem without looking at the explanation. Your score on this set does not predict an official test result.
Build focused sets and check each variant
Teachers can select a few questions from one round for a short practice session, then change the numbers to create a new version. Solve every variant independently and check that its answer, units, and any choices remain consistent.
Make questions clear and unambiguous
Provide all necessary measurements and define the quantity students should find. Specify units, whether a price includes tax, and any assumptions that affect the answer. If you add answer choices, include one correct option and check the alternatives carefully.
Explore more math quiz formats
After reviewing your GED math practice test results, revisit core skills with a mixed math quiz with answers. For calculation practice without answer choices, use these fill-in-the-blank math questions. When you want to rehearse selecting one correct option, try a set of math multiple choice questions with answers.
Ready to create a math quiz?
Choose a skill to practice next, check your working against the explanations, and repeat missed question types with new numbers. You can organize a short online practice activity using NineQuiz and its Quick Quiz feature.