Percentage Basics - Video Tutorial

📹 Video Lesson

Introduction to Percentages

Video Duration: 45 minutes Instructor: Expert Faculty Topic: Basic percentage concepts and applications

🎯 Learning Objectives

After watching this video, you will be able to:

• Understand percentage as a fraction of 100
• Convert between fractions, decimals, and percentages
• Solve basic percentage calculations
• Apply percentage concepts to exam problems

📚 Video Chapters

Chapter 1: Understanding Percentage (0:00 - 8:00)

• Definition and basic concept
• Percentage as parts per hundred
• Visual representation with examples

Chapter 2: Conversions (8:00 - 18:00)

• Fraction to percentage conversion
• Decimal to percentage conversion
• Percentage to fraction and decimal

Chapter 3: Basic Calculations (18:00 - 28:00)

• Finding percentage of a number
• Percentage increase and decrease
• Successive percentage changes

Chapter 4: Exam Applications (28:00 - 38:00)

• Profit and loss problems
• Discount calculations
• Simple interest applications

Chapter 5: Practice Problems (38:00 - 45:00)

• Step-by-step problem solving
• Common exam patterns
• Quick calculation tips

📝 Practice Problems

Problem Set 1: Basic Conversions

1. Convert 3/4 to percentage
2. Convert 0.65 to percentage
3. Convert 45% to fraction
4. Convert 120% to decimal

Problem Set 2: Calculations

1. Find 35% of 800
2. A number increased by 20% becomes 360. Find the original number
3. Find the percentage decrease from 500 to 400
4. Calculate 15% of 25% of 400

Problem Set 3: Word Problems

1. A student scored 75% marks out of 800. How many marks did he score?
2. The price of an article increased by 25% and now costs ₹375. What was the original price?
3. In a class of 60 students, 40% are girls. How many boys are there?
4. A shop offers 20% discount on an item marked at ₹500. What is the selling price?

📖 Related Study Materials

Theory Pages:

• - Complete percentage theory
• - Profit and loss concepts
• - Discount calculations

Formula Sheets:

• - Percentage formulas and shortcuts
• - Profit and loss formulas

Practice Sets:

• - Percentage practice questions
• Mixed percentage problems

🎓 Additional Resources

Downloadable Materials:

• Percentage Formula Sheet (PDF)
• Practice Worksheet (PDF)
• Quick Reference Guide (PDF)

Related Videos:

• Advanced Percentage Problems
• Percentage in Data Interpretation
• Speed Math Techniques for Percentages

✅ Quiz Section

Quick Test (5 Questions)

1. What is 40% of 250?
2. Convert 5/8 to percentage
3. If a number decreases by 30% to become 140, what was the original number?
4. Find the value of 150% of 80
5. A shopkeeper gives 25% discount on ₹1200 item. What is the final price?

📊 Progress Tracking

Learning Milestones:

• Watch complete video (45 minutes)
• Solve all practice problems
• Score 80% in quiz
• Complete additional practice sets
• Attempt advanced problems

Time Allocation:

• Video watching: 45 minutes
• Practice problems: 30 minutes
• Quiz: 15 minutes
• Review: 15 minutes
• Total time: 1 hour 45 minutes

🔗 Related Topics

• - Ratio and Proportion
• - Simple Interest
• - Compound Interest
• - Profit and Loss

📚 Next Steps

1. Watch the complete video tutorial
2. Practice the given problems
3. Take the quiz to test understanding
4. Explore related topics
5. Move to advanced percentage problems