Lesson Plan | Teachy Methodology | Percentage: Percentage Problems

Objectives

Duration: 10 to 15 minutes

The purpose of this stage of the lesson plan is to provide a clear and structured view of what is expected for students to achieve by the end of the lesson, ensuring that both the teacher and the students are aligned regarding the main and secondary objectives, facilitating the planning and execution of the proposed activities.

Main Objectives

1. Understand and apply percentage concepts in everyday situations.

2. Solve problems involving percentage calculations, such as discounts and increases in product prices.

Side Objectives

1. Stimulate students' interest and curiosity about the topic through practical and digital activities.
2. Develop critical thinking and problem-solving skills in real contexts.

Introduction

Duration: 10 to 15 minutes

The purpose of this stage of the lesson plan is to engage students from the beginning, connecting the lesson's theme with their daily experiences and stimulating curiosity about the practical use of percentages. This warm-up will help create a participatory environment where students feel comfortable sharing their discoveries and opinions.

Warming Up

To start the lesson, briefly explain to the students the importance of understanding and applying percentages in daily life. Highlight how knowledge of percentages is used in various situations, such as calculating discounts in a store or understanding bank interest rates. Instruct students to use their phones to find an interesting fact or trivia about percentages to share with the class. This helps to contextualize the topic in a practical and current way.

Initial Reflections

1. Who can share an example of how percentage is used in your daily life?

2. What did you discover about percentages that you found interesting?

3. Why is understanding percentages important for our financial lives?

4. How would you apply the concepts of percentage in an online purchase?

5. Do you think percentages are fair when applied to taxes or fees? Why?

Development

Duration: 80 to 90 minutes

The purpose of this stage of the lesson plan is to provide an active and practical learning experience where students can apply percentage concepts in everyday contexts. Through creative and engaging activities, students develop mathematical and digital skills, as well as enhance their research, communication, and decision-making competencies.

Activity Suggestions

It is recommended that only one of the suggested activities be carried out

Activity 1 - Discount Hunt on Social Media

> Duration: 60 to 70 minutes

- Objective: Apply percentage calculations in a practical and contextualized way, developing research and digital communication skills.

- Description: Students will simulate the experience of a digital influencer finding promotions and discounts on products for their followers. Using platforms like Instagram and Twitter, they will search for and calculate discounts, creating creative posts with attractive percentages.

- Instructions:

• Divide students into groups of up to 5 people.

• Ask each group to choose a famous digital influencer.

• Students must use their phones to search social media (Instagram, Twitter, etc.) for promotions and discounts on various products.

• Each group needs to choose at least 5 products with discounts and calculate the percentage discount applied.

• Students must create fictional posts for influencers, using graphic resources (like Canva or similar) and include the discounted products with clearly and attractively explained discount percentages.

• Each group will present their posts to the class, detailing the calculated percentages and their chosen communication strategy.

Activity 2 - Online Shopper Challenge

> Duration: 60 to 70 minutes

- Objective: Develop the skill of percentage calculation in a realistic and stimulating context, promoting intelligent decision-making in online shopping.

- Description: Students will participate in a simulation of online shopping, where they will need to apply percentage calculations to find the best discounts and make a smart purchase. They will use e-commerce sites and shopping apps.

- Instructions:

• Divide students into groups of up to 5 people.

• Instruct groups to choose an e-commerce site (Amazon, Mercado Livre, etc.) or shopping app (Magazine Luiza, AliExpress, etc.).

• Each group receives a list of items to be purchased, with different options and prices.

• Students must search for items on the chosen platform and calculate the applied discounts, always seeking the best deal.

• They should consider the original price, discount percentage, and final price for each item.

• Each group will present their purchases to the class, detailing the percentage calculations made and justifying their choices based on the discounts found.

Activity 3 - Gamification: Discount Adventure

> Duration: 60 to 70 minutes

- Objective: Promote engagement and learning through gamification, encouraging collaboration and practical application of percentage calculations in a game environment.

- Description: Students will be the protagonists of an online gamification game in which they need to solve challenges involving percentage calculations to advance levels. The game is personalized and challenges students to apply their knowledge in various situations.

- Instructions:

• Divide students into groups of up to 5 people.

• Guide groups to access an educational gamification platform (like Kahoot!, Quizizz, or Classcraft).

• Create a customized game that includes challenges with practical situations involving percentage calculations, such as calculating discounts on products, price increases, and promotions.

• Students must solve the challenges in teams to advance levels in the game.

• Each group can choose characters, collect points, and compete friendly with the other groups.

• At the end, students discuss the strategies used and reflect on how percentage calculations were applied in each challenge.

Feedback

Group Discussion

📢 Promote a group discussion with all students, where groups share what they learned from the activities and their conclusions. Follow a brief outline that may include:

1. Comment on the overall experience of the groups during the practical activities.
2. Ask each group to present the main challenges they faced and how they overcame them.
3. Encourage students to compare the strategies used to calculate percentages and find the best discounts.
4. Ask what the most valuable lessons learned were and how they can be applied outside the classroom.

Reflections

1. 🧩 What were the main difficulties encountered when calculating percentages and how did you solve them? 2. 🔎 How can understanding percentages help in everyday situations, such as when shopping or understanding service fees? 3. 💡 What did you find most surprising or interesting when applying percentage concepts in the practical activities?

360° Feedback

🔄 Instruct the class to conduct a 360° feedback step where each student should receive feedback from other members of the group they worked in. Guide the class to ensure the feedback is constructive and respectful. Use the following guidelines to facilitate the process:

1. Each student should mention one positive aspect of group work and one point that can be improved.
2. Encourage students to be specific and provide clear examples of behaviors or attitudes that were helpful or could be improved.
3. Ensure a safe and respectful environment where everyone feels comfortable expressing their opinions and listening to peers.

Conclusion

Duration: 10 to 15 minutes

🎯 The purpose of this stage of the lesson plan is to consolidate the content addressed in a light and fun way, emphasizing the importance of percentages in everyday life. By connecting the subject with the current world and reflecting on its practical applications, students finish the lesson with a deeper and contextualized understanding, ready to apply this knowledge in their daily lives.

Summary

🚀 Today was a digital adventure of percentages! We faced challenges like true digital influencers, explored the world of online shopping, and even participated in a gamified competition. Each group calculated discounts, posted promotions, and found the best offers, all while learning the importance of percentage calculations. It was a practical and super fun journey where applying percentages became part of our daily lives!

World Connection

🌐 Today's lesson connected directly with the modern world. We live in a digital universe where social media, e-commerce, and shopping apps are an active part of our lives. Understanding percentages is essential to interpret and better take advantage of these platforms. By applying knowledge in contexts like online promotions and price comparisons, students realized the immediate and practical relevance of percentage calculations, making learning more meaningful and contextualized.

Practical Application

📱✨ Understanding and applying percentages is crucial in daily life, whether calculating discounts on products, understanding bank interest, or evaluating tax rates. These mathematical skills help make more informed financial decisions and save money, becoming more conscious consumers and capable of better planning their personal finances.