Book 3 Chapter 4: Basic Arithmetic Operations Flashcards
Add 3 259 kg and 1 429 lb. Express answer as mass.
3908.5 kg
Subtract 219 litres from 138 Imperial gallons. Express answer as litres.
408.3 L
Three pieces of rope have lengths 2.5 metres, 87 centimetres, and 925 millimetres. Express the total length in metres.
4.3 m
Add 1/4 from 9/16
1 5/16
Subtract 1/4 from 9/16
5/16
Multiply 5/8 x 5/16
25/128
Divide 13/16 by 1/4
3 1/4
Convert 3 1/4 to an improper fraction
13/4
Convert 32/9 to a mixed number
3 5/9
Reduce 51/8 to its lowest terms
6 3/8
Add 6 3/8 to 9 2/3
16 1/24
Subtract 3 7/8 from 8 2/3
4 19/24
Multiply 3 1/2 by 5 3/4
20 1/8
Divide 1 5/8 into 7 2/3
4 28/39
Express 5/16 as a decimal value using 3 decimal places.
0.313
Express 3 7/8 as a decimal value using 3 decimal places.
3.875
Express 3 7/8 as a decimal value using 3 decimal places
3.875
Express 5.625 in fractional form.
5 5/8
Your current wage is $15.35 per hour and you have received a 7% increase. Calculate your new wage.
$16.42
As you increase the continuous blow down (CBD) of your boiler, the total dissolved solids (TDS) goes down. Is this a direct or inverse proportion?
Direct proportion
Amperage to an electric motor increases as the flow through a centrifugal pump increases. Is this a direct proportion?
Yes
What is the result of the indicated division:
5/7 divided 2/11
A) 3(13/14)
B) 7(13/21)
C) 2(13/21)
D) (5/6)
E) 7(7/15)
A) 3 (13/14)
Divide 4035 by 15:
A) 127
B) 326
C) 335
D) 269
E) 103
D) 269
As the pressure increases,the volume of a gas decreases. This is an example of:
A) Reciprocity
B) Inverse proportion
C) Reverse proportion
D) Direct proportion
E) Indirect proportion
B) Inverse proportion
Multiply (-21.6) by (-54.2)
A) -1160.65
B) 1170.62
C) 1160.65
D) 1170.72
E) -1170.62
D) 1170.72
Solve the expression: (31) + (-27) + (-17) - (-35) + (-2)^3
A) 14
B) 68
C) 36
D) -48
E) -40
A) 14
Multiply 365.24 by 92.1
A) 33791.219
B) 33605.831
C) 33638.649
D) 33638.604
E) 32538.504
D) 33638.604
Find the sum of 36.54+8.2086+489.2+421
A) 910.53
B) 91053
C) 954.9486
D) 2097446
E) 2097.446
C) 954.9486
Multiply the following fractions: 3/4 x 1/3.
A) 1/3
B) 1/6
C) 1/4
D) 5/12
E) 1/2
C) 1/4
In division the answer is called the:
A) Divisor
B) Quotient
C) Factor
D) Dividend
E) Index
B) Quotient
All fractions other than those which are decimal fractions are described by the term ______ fractions.
A) Denominator
B) Index
C) Mulltiplier
D) Numerator
E) Common
E) Common
If the fraction is preceded by a whole number the result is a:
A) Mixed number
B) Uncommon fraction
C) Decimal fraction
D) Common fraction
E) Improper number
A) Mixed number
With fractions if the numerator is greater than the denominator the fraction is a/an _____ fraction.
A) Decimal
B) Mixed number
C) Improper
D) Uncommon
E) Common
C) Improper
The best method of decimal number division by the beginner is to move the decimal point in both the divisor and dividend so that the divisor becomes a/an:
A) Quotient
B) Whole number
C) Fraction
D) Dividend
E) Divisor
B) Whole number
A fraction has been reduced to its lowest terms when the numerator and denominator are ____ to each other, when they have no common factors.
A) Factor
B) Product
C) Index
D) Prime
E) Quotient
D) Prime
Addition is basically a system of:
A) Dividing
B) Adding
C) Multiplying
D) Subtracting
E) Counting
E) Counting
Reduce the fraction 10/15 to thirds:
A) 4/3
B) 5/3
C) 2/3
D) 3/3
E) 1/3
C) 2/3
