Category Archives: Mathematics

The Difference Among LCM, LCD, GCD and GCF

LCM and LCD LCM means Least Common Multiple. Multiple in this context is used for integers. LCD, on the other hand, means Least Common Denominator. As we know, denominator is used in fractions. So, in 1/3 and 1/4, should we say, LCM or LCD? CORRECT STATEMENT: LCM of 3 and 4 (multiple is used for… Read More »

Week 10 Review: Answers and Solutions

After learning how to solve motion problems, let’s answer some exercises and problems. In the solutions, we let d = distance, r = rate, and t = time. Exercises 1.)   A car travels and average speed of 75 kph. If it traveled for 3.5 hours, what is the total distance traveled? d = rt d =… Read More »

Week 10 Review: Practice Exercises and Problems

After learning how to solve motion problems, let’s answer some exercises and problems. Exercises 1.)   A car travels and average speed of 75 kph. If it traveled for 3.5 hours, what is the total distance traveled? 2.) A bus traveled 4 hours from City A to City B which is 450 kilometers apart. What is its… Read More »

PCSR REVIEW SERIES WEEK 10: Motion Problems

We have learned number problems and age problems. Now, we learn how to solve motion problems or problems involving distance, rate, and time. Below are the articles and videos that you can watch to learn about motion problems. ARTICLES Introduction to Motion Problems How to Solve Motion Problems Part 1 How to Solve Motion Problems Part… Read More »

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