GED Mathematical Reasoning Practice Questions

By Murray Shukyn, Dale E. Shuttleworth, Achim K. Krull

The following GED Math practice questions test your knowledge of Mathematical operations and reading skills in Math. Read the items carefully, making sure you understand what’s being asked. You may have to convert some units of measurement to another, but in all cases, they’ll make sense.

Sample questions

  1. Vlad is shopping for a new shirt because all the stores are having end-of-season sales. Sam’s Special Shirts offers Vlad 20% off all his purchases while Hardworking Harry’s Haberdashery has a special sale offering five shirts for the price of four. Which is the better deal?

    • (A) neither

    • (B) Sam’s Special Shirts

    • (C) both are the same

    • (D) Hardworking Harry’s Haberdashery

  2. Olga designed a logo consisting of an equilateral triangle in a circle for a new company. She designed it with one vertex of the triangle pointing northeast. The client said she liked the design but preferred that the vertex of the triangle point due south. What rotation would Olga have to perform to satisfy her client?

    • (A) 90 degrees to the right

    • (B) 110 degrees to the right

    • (C) 135 degrees to the left

    • (D) 135 degrees to the right

  3. Solve the following equation for x:

    x = 2y + 6zy2, if y = 6 and z = 2

    • (A) 12

    • (B) 11

    • (C) –12

    • (D) –11

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  4. Pierre is looking for a vacuum cleaner. He is on a limited budget and wants to spend the least he can. His best friend tells him that spending around the mean amount for a vacuum cleaner will get him an average unit. His father claims that spending about the median amount is the smartest way to get a good deal. _________ comes the closest to satisfying both criteria.

  5. Solve the following equation for x: 3x + 12 = 24. x =

    • (A) 12

    • (B) 3

    • (C) 4

    • (D) 5

  6. Rachel and Ronda were planning for their first apartment, and they decided to split the required shopping tasks. Rachel was responsible for finding out how much it would cost to carpet their living room, and Ronda was responsible for finding out how much it would cost to paint the walls in the bedroom.

    What formula would they need to use to get an answer that would let them figure out the price for each job?

    • (A) P = 2(l + w)

    • (B) = l × w

    • (C) V = l × w × d

    • (D) A = πr2

  7. Lillian is drawing a scale diagram of her apartment to take with her while shopping for rugs. If she has taken all the measurements in the apartment, what mathematical relationship would she use to draw the scale drawing?

    • (A) decimals

    • (B) exponents

    • (C) ratios

    • (D) addition

  8. Sylvia couldn’t fall asleep one night and got to wondering how much water her bedroom would hold if she filled it to the ceiling. She had previously measured all the walls and knew all the measurements, including length, width, and height. She should use _________ to calculate how many cubic feet of water would be needed to fill the room.

  9. Alvin is drawing a diagram of his room. He has drawn the line representing the floor and is ready to draw the line representing the wall. This line would be ________ to the line representing the floor.

    • (A) congruent

    • (B) parallel

    • (C) similar

    • (D) perpendicular

  10. Aaron wants to paint the floor of his apartment. His living room/dining room is 19 feet by 16 feet, his bedroom is 12 feet by 14 feet, and his hallways are 6 feet by 8 feet. Bowing to pressure from his friends, he has decided not to paint the floor of the kitchen or the bathroom. How many square feet of floor must he paint?

    • (A) 304

    • (B) 520

    • (C) 250

    • (D) 216


  1. C. both are the same.

  2. C. 135 degrees to the left.

  3. C. –12.

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  5. C. 4.

  6. B. A = l × w.

  7. C. ratios.

  8. multiplication.

  9. D. perpendicular.

  10. B. 520.