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Module 2 Core Construction Math Flashcards | StudBud
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Module 2 Core Construction Math
Module 2 Core Construction Math
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A quiz to test knowledge of math skills needed for the HVAC trade
Flashcards
40 cards
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Questions
40
Answers
1
The volume of a 9-inch cube is ______.
1243 cu in
243 yards
729 cu in
818 sq in
2
When converting decimals to a percentage, simply move the decimal point ______.
one place to the left
two places to the left
two places to the right
one place to the right
3
When a number is stated as a perecentage, it means that number represents a portion of ___
64
16
100
50
4
In the metric system, each millimeter equals ____?
10 centimeters
1/10 of a centimeter
1/100 of a centimeter
1/1000 of a centimeter
5
8/12 - 4/8 reduced to the lowest terms = _____.
2/14
1/7
1/6
4/24
6
When converted to a fraction and reduced to the lowest terms, the number 0.86 equals _____.
43/50
7/50
14/100
86/100
7
The improper fraction 37/6 can be changed to the mixed number ___
5-7/16
6
6-1/6
37
8
In the number 123.456, the 5 represents _____.
5 ones
5 tenths
5 thousandths
5 hundredths
9
The volume of a shape in the metric system is stated in terms of ___
sq m
sq ft
cu ft
cu m
10
One sheet of drywall weighs 48.7 pounds. An order of 50 sheets will weigh_____.
243.5 pounds
2,532.0 pounds
2,435.0 pounds
2,430.0 pounds
11
1/4 + 3/8 reduced to the lowest terms = _____.
5/8
5/4
4/8
1/2
12
If an angle is not acute, straight or obtuse, it must be a(n) ____
right angle
adjacent angle
metric angle
opposite angle
13
1 ounce is = 28.35 grams. Convert 16 ounces to grams. Round to nearest tenth
453.6 grams
44.4 grams
1.8 grams
12.4 grams
14
1 cubic meter represents a cube-shaped space measuring 1 meter in all 3 dimensions. In centimeters how long is each side
1 centimeter
10 centimeters
1,000 centimeters
100 centimeters
15
A triangle's three angles always add up to _____.
180
90
45
360
16
An equivalent fraction to 5/16 is ___
1/2
5/32
10/16
10/32
17
Using the formula °C = 5/9 (°F–32), 70°F converted to Celsius and rounded to the nearest degree is _____.
126c
158c
53c
21c
18
Of the numbers, 0.04761; 0.04761; 0.4761; 0.4671, which is the largest?
0.4671
0.04671
0.04761
0.4761
19
A carpenter makes $24/hour and works a 40 hour week. the employer witholds $83 federal tax, $74 FICA and $41 state tax.
The carpenter's take-home pay is _____. $ 762.00
The carpenter's take-home pay is _____. $ 808.00
The carpenter's take-home pay is _____. $ 837.00
The carpenter's take-home pay is _____. $ 802.00
20
7/8 ÷ 7/16 reduced to the lowest terms = ____
7- 1/32
7/2
1
2
21
A worker must cut 5,814 meters of rope into 27 meter sections. How many 27 meter sections are possible & how much rope
will be left over? 215 sections with 9 meters left over
will be left overt? 215 sections with 8 meters left over
will be left over? 218 sections with 3 meters left over
will be left over? 215 sections with 3 meters left over
22
What is the place value of 2 in the number 123,456
hundreds
ten thousands
hundred thousands
thousands
23
7/8 x 3/9 reduced to the lowest terms is = _____.
24/63
7/24
21/72
8/21
24
A package contains 12 locksets. 16 job sites receives a single package.How many locksets are there across the job sites?
48
256
28
192
25
On Fahrenheit scale, how many degrees are there between the freezing & boiling point of water?
212
100
60
180
26
In numbers like 52.25, any digits shown to the right of the decimal point represent ___
an improper fraction
that part of the number that is less than 1
that part of the number that is greater than 1
an improper number
27
An angle measure 36 degrees, so it's classified as _____.
opposite
adjacent
acute
optuse
28
A floor for a 4-meter square shed must be fabricated. The area of the floor is ___
16 m2
64 m2
16 m3
64 m3
29
The circumference of a circle is _____.
another name for the math constant π
the length of a line from the center to any point on the circle
the distance around the outside of the circle
the length of a line passing across the circle through the center
30
The metric ruler is typically divided into ____
millimeters and decimeters
eighth inches and sixteenth inches
inches and half inches
centimeters & millimeters
31
Given the equation 1/2 x b x h, the area of a triangular roof section with a base of 7 feet and a height of 3.5 feet is
12 ft2
7 ft2
12.25 ft2
24.5 ft2
32
Forty-five thousand, six hundred twelve pipe fittings are ordered. How do you write this number
4,561.00
45,612
4,562.00
450,612
33
If 1 pound = 2.205 kilograms, converting 165 pounds to kilograms and rounding to the nearest tenth gives _____.
10.3 centimeters
74.8 kilograms
149.6 milligrams
363.8 kilometers
34
When taking an inside measurement with a tape measure, be sure to _____.
add the length of the tape measure case
remove the tape from the case
subtract the length of the tape measure case
add the thickness of the tape hook
35
Add the following numbers: 811, 901, 88, and 5. The sum is _____.
1,795
1,775
1,705
1,805
36
When reduced to its lowest terms, the fraction 12/16 would read as ___
3/4
5/8
12/8
8/12
37
What does a square have in common with a rectangle?
all 4 corners are 90 degree angles
all 4 sides are equal in length
the sum of all 4 angles is always 180 degrees
Area can be found by multiplying π x the length of any side
38
A mason mixes 42 kilograms of mortar,Each kg of mortar requires .03 liters of water. How many liters of water are needed
1.2 liters
12.6 liters
13.2 liters
1.3 liters
39
What is the measurement if you read half of the ruler length?
11 inches
12 centimeters
10 centimeters
10 inches
40
If 1 meter = 3.28 feet, converting 612 feet to meters and rounding to the nearest hundredth gives _____.
186.59 meters
2007.97 meters
1865.85 meters
200.79 meters