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Civil service Exam prep Questions and Answers
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Civil service Exam prep Questions and Answers
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Civil service exam prepNumerator - Answer -The whole number that appears on the top of a fraction.
?/D
Denominator - Answer -The number that appears on the bottom of the fraction.
N/?
Proper fraction - Answer -The numerator is smaller than the denominator.
Ex. 1/2
Improper fraction - Answer -The numerator is larger than the denominator.
Ex. 2/1
Mixed numbers - Answer -A mixed number consists of a whole number and a proper fraction. A
improper fraction can be written into a mixed number.
How do you convert an improper fraction into a mixed number? - Answer -1. Divide the numerator by
the denominator. The result will be a whole number, with or without a remainder.
,2. Write the whole number.
3. If there is a remainder, write a fraction with the remainder in the numerator and the original
denominator in the denominator.
Ex. Convert 17/5 to a mixed number?
17/5=3 with a remainder of 2
17/5=3 2/5
How do you convert a mixed number into a improper fraction? - Answer -1. Multiply the whole number
in the mixed number by the denominator of the fraction.
2. Add the result to the numerator of the fraction.
Ex. Convert 5 1/6 to an improper fraction.
5x6= 30
30+1= 31
5 1/6= 31/6
When should you convert mixed numbers into improper fractions? - Answer -Whenever you are asked
to multiply or divide mixed numbers
How do you reduce a fraction? - Answer -You reduce a fraction by dividing both the numerator and the
denominator by a single value that divides evenly into both of them.
Ex. Reduce 5/10?
Both 5 and 10 are divisible by 5
, 5/5=1
10/5=2
5/10= 1/2
Key words for equal? - Answer -Is, are, has, was, were, had
Key words for addition? - Answer -Sum, together, more, total, greater, or older than
Key word for multiplication? - Answer -Product, times, of
Keywords of division? - Answer -Per, evenly
Key words of subtraction? - Answer -Difference, less than, fewer, or younger than, remain, left over
example of key words for subtraction. Jacob has 5 fewer than Leslie? - Answer -Would be Leslie-5=Jacob
Distance formula problems include key words such as? - Answer -speed, plane, train, boat, car, walk,
run, climb, and swim
Distance Formula - Answer -Rate x Time = Distance
Key word in the distance formula provide 2 of the 3 elements - Answer -rate, time, distance
Plug those 2 elements into the formula and solve for the third
Rate and time have to be measured into common units - Answer -If the rate is measured in miles per
hour, the time has to be measured in hours, not minutes or days
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