Category Archives: Review Series

Addition of Integers Exercises – Set 1

Below are exercises on addition of signed numbers. Part I and II are exercises for addition of integers, while part III is an extension to fractions and decimals. Solutions and answers will be can be found here. Part I 1. -7 + 13 2. (-8) + (-9) 3. 5 + (-18) 4. 34 + (-38)… Read More »

Week 11 Review: Practice Exercises and Problems

After learning about work problems, let’s solve the following exercises. Solutions and answers will be posted soon. Week 11 Review: Practice Exercises and Problems 1.) Aria can do a job in 7 days. What part of the job is finished after she worked for 3 days? 2.) Katya can do a job in 5 days.… 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 »

Week 4 Review: Practice Exercises and Problems

In the previous post, you have learned about multiplication and division of fractions. Now, let’s solve some exercises and problems. Practice Exercises 1 a.) 1/2 × 1/3 b.) 2/3 × 4/5 c.) 8 × 5/6 d.) 2 5/8 × 3 e.) 3 1/8 × 4/5 f.) 1 2/3 × 2 3/4 Practice Exercises 2 a.) 1/5 ÷… 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 »

Week 3 Review Answers and Solutions

These are the answers and solutions to the Week 3 Practice Exercises and Problems. Solutions to Practice Exercise 1 a.) 2 1/5 + 3 2/5 We can add the whole numbers first, 2 + 1 = 3. Then, add the fractions: 1/5 + 2/5 = 3/5. We then combine the whole number and the fraction,… Read More »

Week 2 Review Answers and Solutions

Below are the solutions and answers to the Practice Exercises and Problems for the Week 2 Review on Addition and Subtraction of Fractions. Practice Exercises 1 Answers 1.) 3/5 2.) 2/5 3.) 4/7 4.) 2 5) 3/5 Practice Exercises 2 Convert the following improper fractions to mixed form. 1.) 3 3/5 2.) 1 5/7 3.)… Read More »

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