Construction Math Free Test

(All trades)

Knowledge needed for multiple licenses.

Welcome to the free timed practice test on Construction Math. When you are ready, please start the test below.

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Construction Math Free Test

Calling all future construction superstars! ️ Ready to test your math skills and dominate that contractor's exam?

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15 Quick Questions: Sharpen your skills with a concise test that won't take a big chunk of your day. ⏱️
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Don't head into your exam feeling unsure. This free challenge is the perfect way to gauge your construction math knowledge and gain confidence!

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1 / 15

A landscaper has six trees to trim. Each tree takes 20 minutes for set-up, two hours for trimming, and 40 minutes for clean up. He only has two days to complete this project and would like to work the
same amount of time each day. How many hours will he need to work each day in order to complete his project on time?

A) 6 hrs

B) 8 hrs

C) 9 hrs

D) 12 hrs

2 / 15

A farmer has 24 feet of fencing. She wants to create the animal pen with the greatest possible area using exactly 24 feet of fencing. Which of the following dimensions would create the pen with the greatest area and use exactly 24 feet of fencing?

A) 6 feet by 6 feet

B) 8 feet by 4 feet

C) 2 feet by 10 feet

D) 10 feet by 14 feet

3 / 15

Either a 2” x 4” x 8’ continuous wood or a 4’ x 8’ plywood stripped to 4” may be used for the backing material to support two kitchen counters. Each counter is 16’ long. 2” x 4” x 8’ continuous wood is $5.50. A 4’ x 8’ sheet of plywood is $45. What is the least cost for all required backing?

A) $11.00

B) $22.00

C) $23.00

D) $34.00

4 / 15

A clerk accidentally scanned in an item twice, which cost $7.80. If the total bill with the mistake was $37.24, what should the correct bill be?

A) $28.44

B) $29.44

C) $45.04

D) $45.06

5 / 15

You are trying to keep your employees from working overtime, which is anything over 40 hours in a week. If there is an employee who already has worked 9 hours on Monday, 6.5 hours on Tuesday, 8 hours on Thursday, and 10.5 hours on Friday, how many hours can you schedule that employee to work on Saturday?

A) 5 hours

B) 5.5 hours

C) 6 hours

D) 4.5 hours

6 / 15

A single top plate has a length of 14 feet. Rafters are to be spaced at 2 feet on center. How many rafters are required for this project?

A) 7

B) 9

C) 6

D) 8

7 / 15

An electrician needs to calculate how many centimeters of electrical tape he needs for a job. If there are 100 centimeters in 1 meter, how many centimeters of electrical tape will he need if he needs 10 meters of tape?

A) 110 centimeters

B) 1,000 centimeters

C) 10,000 centimeters

D) 1,100 centimeters

8 / 15

A stock-person just received a shipment of 126 cans of paint that need to be displayed. If each shelf holds 9 cans, how many shelves will he need to display all of the paint?

A) 9 shelves

B) 14 shelves

C) 16 shelves

D) 32 shelves

9 / 15

A plumbing service representative wants to know the average number of phone calls that she receives. At work that day, she records that she received 104 phone calls between the hours of 9:00 a.m. to 5:00 p. m. What is the average number of phone calls she received per hour?

A) 13 calls/hr

B) 15 calls/hr

C) 20 calls/hr

D) 8 calls/hr

10 / 15

A supply company charges 15% of the total bill for delivery. Which expression represents the delivery charge on a total bill, t?

A) 15 + t

B) 0.15 + t

C) 0.15t

D) 15t

11 / 15

How many drills, costing $58 each, can be purchased with $854?

A) 13

B) 14

C) 15

D) 16

12 / 15

F = 25A is the formula to find the number of pounds of fertilizer needed to cover a lawn. A is the area of the lawn in square feet. How many pounds of fertilizer (F) are needed to cover a lawn with an area (A) of 500 square feet?

A) 12,500 pounds

B) 2,000 pounds

C) 525 pounds

D) 100 pounds

13 / 15

Mishka took a water measurement that read 174 milliliters. All of his records need to be in liters. Based on the 174 milliliters reading, how many liters should he record?

A) 174L

B) 0.174L

C) 1.74L

D) 0.0174 L

14 / 15

A equipment rental company is offering a 20% discount for customers during the week. If the weekday price quote was $35, what is the weekend price?

A) $42.00

B) $43.75

C) $55.00

D) $57.14

15 / 15

The supply department forgot to put the total on a recent invoice. If the cost of each of the three items was $12.56, $141.08, and $76.33, how much should the total bill be?

A) $228.97

B) $229.87

C) $229.97

D) $230.87

Your score is

The average score is 31%

Don’t Be Square: Mastering Construction Math for the Win

The world of construction may seem like a realm of hammers and saws, but don’t underestimate the power of numbers! Construction math is the silent hero behind every sturdy building and flawlessly paved road. Whether you’re a seasoned contractor or an aspiring DIYer, having a grasp of construction math is essential for success.

Why Math Matters on the Job Site:

Accurate Measurements: From laying foundations to installing cabinets, precise measurements are crucial. Construction math allows you to calculate lengths, areas, volumes, and angles with confidence, ensuring everything fits together perfectly.
Material Takeoffs: Estimating the amount of materials needed for a project is vital for budgeting and preventing costly delays. Construction math empowers you to calculate quantities of lumber, concrete, flooring, and other materials efficiently.
Structural Integrity: Buildings need to withstand weight and pressure. Construction math helps you calculate loads, determine beam sizes, and ensure your structures are safe and sound.
Costing and Estimating: From labor costs to material prices, construction projects involve complex calculations. Understanding basic math principles allows you to create accurate quotes and estimates for your clients.

Essential Construction Math Skills:

Here are some key areas of construction math you should be familiar with:

Measurement Conversions: Being comfortable converting between feet, inches, yards, and even metric units is essential for precise calculations.
Area and Volume Calculations: Calculating the area of walls, floors, and roofs, as well as the volume of concrete needed for a foundation, are crucial skills for various construction projects.
The Pythagorean Theorem: This famous theorem comes in handy for finding missing side lengths in right triangles, a frequent occurrence when dealing with roof pitches and other angled structures.
Basic Geometry: Understanding concepts like circles, squares, and rectangles is essential for a variety of construction tasks, from laying out foundations to calculating roof slopes.
Percentages: From calculating material waste to figuring out project completion percentages, understanding percentages is a valuable tool for any construction professional.

Mastering the Math:

No prior math degree is required to excel in construction math! Here are some tips to help you build your skills:

Start with the Basics: Brush up on your fundamental math skills like addition, subtraction, multiplication, and division.
Practice Makes Perfect: Find online resources, textbooks, or construction math-specific workbooks to practice calculations relevant to the field.
Visualize Your Projects: Sketch out your project plans and utilize them to practice applying relevant math formulas.
Don’t Be Afraid of Apps: There are numerous construction math apps available that can simplify calculations and provide step-by-step guidance.
Seek Help When Needed: Don’t hesitate to ask experienced colleagues or mentors for guidance on specific math challenges you encounter on the job.

By understanding and applying construction math principles, you can transform your projects from guesswork to guaranteed success. Remember, a strong foundation in math empowers you to work efficiently, minimize errors, and ultimately, build with confidence!

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