Monthly Archives: August 2013

Answers to Practice Test on Dividing Integers

Below are the answers and the explanations of the Practice Test on Dividing Integers. Note that as mentioned in the post Dividing Positive and Negative Integers, the rules in dividing integers as well as real numbers are the following: (1) positive number ÷ positive number = positive number (2) positive number ÷ negative number =… Read More »

Practice Test on Dividing Integers

In the previous post we have discussed how to divide integers. Operations on real numbers, particularly integers, is one of the scopes of the Civil Service Examinations both Professional and Subprofessional.  You must master these operations because you will use them in solving equations and word problems in Algebra.  Test your skill by answering the… Read More »

A Review on Operations on Real Numbers

We had just finished discussing the different operations on integers: addition, subtraction, multiplication and division. Since you are already familiar with these operations on integers, the operations on real numbers (integers, decimals, and fractions) will be very easy for you because the process is just the same. For example, positive a real number 0.4 is multiplied by… Read More »

Dividing Positive and Negative Integers

In the previous post on integers, we have learned the rules in multiplying positive integers and negative integers. In this post, we are going to learn how to divide positive and negative integers. If you have observed, in the post on subtracting integers, we have converted the “minus sign” to a “plus negative sign.” I… Read More »

Answers to Grammar Practice Test 1

Below are the answers and the explanations to the Grammar and Correct Usage Practice Test 1. The incorrect word or phrase in the sentence is highlighted red, while the correct word or phrase is highlighted green. 1. The inventor stood to except the award. Correct Sentence: The inventor stood to accept the award. Explanation: Accept means… Read More »

Grammar and Correct Usage Practice Test 1

One of the types of test in the Philippine Civil Service Examinations both Professional and Subprofessional is about grammar and correct usage. In the actual examinations, sentences are divided into phrases and numbered 1 through 5. You will be asked to identify the number of the phrase with incorrect grammar or usage. In the practice… Read More »

A Teaser on Answering Number Series Questions

First of all, I would like to point out the term series in the “Number Series” questions in the Civil Service Examinations is a bit incorrect. Technically, the list of numbers in the examinations is actually called a sequence.  A series is a sequence of sums — well, I will not go into details since… Read More »

Solutions to Practice Test on Multiplying Integers

Recall the rules on multiplying integers. Multiplying two with the like signs (negative and negative or positive and positive) gives a positive product. Multiplying two numbers with unlike signs gives a negative product. 1. -4 x -8 = 32 2. 3 x -7 = -21 3. -12 x -7 = 84 4. -8 x -1… Read More »

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