Category Archives: Numerical Reasoning

PCSR REVIEW SERIES WEEK 5: Operations on Integers and PEMDAS

Below are the articles and videos that you should read and watch about operations on integers, order of operations, and PEMDAS. Exercises and problems will be posted soon. PART 1: OPERATIONS ON INTEGERS Articles How to Add Positive and Negative Integers How to Subtract Positive and Negative Integers How to Multiply Positive and Negative Integers How to… Read More »

Week 4 Review Answers and Solutions

Below are the solutions and answers to the Week 4 Practice Problems and Solutions. Practice Exercises 1 Note: In multiplying fractions, we multiply the numerator by the numerator of the other fraction, and then multiply the denominator by the denominator of the other fraction. For whole numbers, we can put 1 as the denominator. All fractions… Read More »

PCSR REVIEW SERIES WEEK 4: Multiplication and Division of Fractions

Last week, you have learned about addition and subtraction of fractions. This week, we will be studying about multiplication and division of fractions. Below are the articles and videos that you should read and watch. Later, I will post exercises and problems. Articles How to Multiply Fractions How to Multiply Fractions Practice Test How to… Read More »

PCSR REVIEW SERIES WEEK 3: Addition and Subtraction of Fractions

Last week, we have learned how to add and subtract fractions. In this post, we are going to learn about addition of mixed fractions. There are two strategies in addition and subtraction of mixed fractions. The first one is to add or subtract first the whole numbers (if possible), then add or subtract the fraction.… Read More »

PCSR REVIEW SERIES WEEK 1: LCM and GCD

I have decided to outline a 16-week Philippine Civil Service Review (PCSR) series in mathematics. This way, you will be able to study systematically. In this series, I will post links every week, give exercises, and discuss the solutions of the exercises. Included in the links are articles that I have written and Taglish Youtube videos… Read More »

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