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Introduction to Construction Math Review
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Gravity
Terms in this set (30)
Two places to the right
When converting decimals to a percentage, simply move the decimal point...
3.70
A screw is 3-7/10 inches long. Using decimals, this is written as _____ inches.
$1012.50
A carpenter has to build an addition which needs 150 studs. Each stud costs $6.75. What is the total cost of the studs needed?
$210.00
An electrician earns $25.00 per outlet he installs. The cost of material is $7.50 per outlet. A new addition needs 12 outlets installed. How much money will he earn?
729 cubic inch
The volume of a 9-inch cube is...?
6/8 inch
The equivalent of the 3/4 inch is...?
1.3 liters
You need to mix 42 pounds of mortar. Each pound of mortar mix requires 0.03 liters of water. How many liters of water do you need? (round your answer to the nearest tenth).
1/6
8/12 - 4/8 = _____ (reduce your answer to the lowest term).
33 cents
What is 1/3 of a dollar?
31.5
Multiply 4.5 x 7.
180
While the measurement of the individual angles in a triangle can vary, their sum is always _____ degrees.
2435.0 pounds
One sheet of drywall weighs 48.7 pounds. You have ordered 50 sheets, so your total order will weigh...?
196.0
You have to lay a floor for 14-foot-square shed. The area is _____ square feet.
1/10 of a centimeter
In the metric system, each millimeter increment is...?
Out of 100
Percentage means...?
5/8
1/4 + 3/8 = _____ (reduce your answer to the lowest term).
192
A room measures 12 feet by 16 feet long. What is the square footage of this room?
12.25 square feet
The area of a triangular roof section with a base of 7 feet and a height of 3.5 feet is...?
2.6 centimeter
The marked measurement in the figure above indicates...?
75.0 centimeters
Convert 0.75 meters to centimeters.
7/24
7/8 x 3/9 = _____ (reduce your answer to the lowest terms).
Temperature
The metric system is used to measure length, weight, volume, and...?
215 sections with 3 feet left over
You have 5814 feet of rope that you need to cut into 27-foot sections. How many sections of rope will you have?
Cubic meters
The volume of a shape in the metric system is stated in terms of...?
6.12 meters
Convert 612 centimeters to meters.
centimeters and millimeters
The metric ruler is divided into...?
$698
Your job as a carpenter pays $20/hour and you worked 40 hours last week. The taxes paid from your salary were $83 and $19. How much is your total check?
2-1/8
The marked measurement in the figure above indicates _____ inches.
78%
Convert 0.78 into a percentage.
43/50
Convert 0.86 into a fraction (reduce to lowest terms).
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