Objectives (5 - 7 minutes)

1. Understand the concept of equal sharing: Students should be able to understand the concept of equal sharing, which involves dividing a total into equal parts. This can be done through practical and manipulative activities, where they have the opportunity to divide objects into equal parts.

2. Apply equal sharing in problem-solving: Students should be able to apply the concept of equal sharing in problem-solving situations. This can be done through games, challenges, and contextualized situations, where they need to divide a set of objects into equal parts.

3. Develop problem-solving skills and critical thinking: In addition to understanding and applying the concept of equal sharing, students should develop problem-solving skills and critical thinking. This can be done through challenging problem-solving situations, where they need to think independently and find creative solutions.

Introduction (10 - 12 minutes)

1. Review of previous content:

   • The teacher starts the lesson by reviewing the concepts of addition and subtraction, which are fundamental to understanding equal sharing.
   • Next, everyday situations where addition and subtraction are used are presented, such as dividing a pizza among friends or sharing toys in a group.

2. Introductory problem-solving situations:

   • The teacher proposes two problem-solving situations involving equal sharing:
     1. "If each student in a classroom receives 3 candies, but we have a total of 15 candies, how many students can receive candies equally?"
     2. "If we have 12 colored pencils and want to divide them equally among 3 friends, how many pencils will each one receive?"

3. Contextualization of the subject's importance:

   • The teacher explains that equal sharing is an important skill in many real-life situations, such as sharing toys, dividing dessert, or even dividing time between different activities.
   • He emphasizes that understanding equal sharing is not just about mathematics, but also about being fair and collaborative.

4. Introduction to the topic:

   • The teacher introduces the topic of the lesson, equal sharing, explaining that it is a fair way to divide a set of objects into equal parts.
   • He arouses students' curiosity by asking if they have ever wondered how to divide a cake among many people so that each one has the same amount.
   • The teacher also mentions that there are many different ways to do equal sharing, and they will explore some of these ways in the lesson.

Development (20 - 25 minutes)

In this stage, students will be divided into groups of up to 5 members and will participate in different practical and playful activities that will help them deepen their understanding of the concept of equal sharing. All activities are suggested to be carried out in groups, encouraging cooperation, dialogue, and joint problem-solving.

1. Equitable Sharing Game:

   • The teacher prepares the "Equitable Sharing Game" in advance. For this, he must provide a set of manipulative objects (such as colored pencils, building blocks, buttons, or shells), which will be divided equally among the groups.
   • Each group receives a quantity of objects and must divide them equally among the members. The challenge is to find the fairest way to make the division, without leftovers or shortages for anyone.
   • The teacher circulates among the groups, guiding and observing the process. In the end, it is important to promote a collective discussion, where each group shares how they made the division and what strategies were used.

2. Birthday Cake Activity:

   • The teacher brings a large drawing of a birthday cake, divided into slices. Each slice represents a different number of cake pieces.
   • Each group receives a set of numbered cards, corresponding to the number of children at the birthday party. The task is to place the cards on the cake slices so that each child receives the same amount of cake.
   • Again, the teacher circulates among the groups, assisting and observing. At the end, a collective discussion is held, where each group presents their cake and how they made the division.

3. Equitable Treasure Hunt Game:

   • The teacher prepares envelopes with different quantities of "treasures" (toy coins, stickers, etc.) and spreads them around the room.
   • The groups are challenged to find the envelopes and then must divide the treasure equally among the members.
   • The teacher can set a time limit for the activity, making it more exciting. At the end, a collective discussion is held, where each group shares how they made the division.

These practical activities will allow students to experience equal sharing concretely, consolidating their understanding of the concept and developing problem-solving and critical thinking skills.

Feedback (10 - 15 minutes)

1. Group discussion:

   • The teacher gathers all students in a large circle and promotes a group discussion about the solutions found by each team in the practical activities.
   • Each group is invited to share how they solved the equal sharing problem and what strategies they used.
   • The teacher asks questions to stimulate reflection, such as: "Why did you choose this strategy? How do you know that the division you made is fair? What would you do differently if you had to make the same division again?"

2. Connection to theory:

   • After hearing the students' solutions and strategies, the teacher connects them to the theory, reinforcing the concepts of equal sharing and the importance of dividing a set of objects into equal parts.
   • He highlights the different strategies used by the groups, showing that there are several ways to do equal sharing and that all can be correct, as long as they are fair.

3. Individual reflection:

   • The teacher proposes that students reflect individually for a minute on what they learned in the lesson. He asks two simple questions to guide the reflection:
     1. "What was easiest for you in the equal sharing activity? Why?"
     2. "What was most difficult for you in the equal sharing activity? Why?"

4. Teacher's feedback:

   • To end the lesson, the teacher offers general feedback on the students' performance, highlighting strengths and suggesting improvements.
   • He reinforces that the most important thing is not the final answer, but the thinking process and the justification behind the solution found.

This feedback is a crucial step to consolidate students' learning, allowing them to reflect on what they have learned, share their ideas with peers, and receive guidance from the teacher. Additionally, it promotes self-assessment and critical thinking, fundamental skills for success in learning.

Conclusion (5 - 7 minutes)

1. Summary of topics covered:

   • The teacher starts the conclusion by summarizing the main points of the lesson. He reinforces that equal sharing is a fair way to divide a set of objects into equal parts.
   • He emphasizes that equal sharing involves dividing a total into equal parts and that there are several strategies that can be used for this. Additionally, he reminds that equal sharing is an important skill for everyday life.

2. Connection between theory, practice, and applications:

   • The teacher explains how the lesson connected theory (the concept of equal sharing), practice (the sharing activities carried out in groups), and applications (real-life situations where equal sharing is necessary).
   • He highlights that the practical activities allowed students to experience equal sharing concretely, consolidating their understanding of the concept. Furthermore, group discussions and individual reflection helped connect theory with students' practical experiences.

3. Extra materials:

   • The teacher suggests some extra materials for students who wish to deepen their knowledge of equal sharing. This may include online games, math books with sharing activities, or even real-life situations where equal sharing is necessary (such as dividing a pizza or sharing toys in a group).
   • He also encourages students to practice equal sharing in their daily activities, such as sharing a snack with a sibling or distributing tasks among friends during a game.

4. Importance of the subject for daily life:

   • Finally, the teacher highlights the importance of the subject for daily life. He explains that equal sharing is not just about mathematics, but also about being fair, collaborative, and respecting others' space and resources.
   • He mentions that the ability to do equal sharing can be useful in many everyday situations, from dividing dessert to sharing time between different activities.

The conclusion is a crucial step to consolidate students' learning, reinforcing the key concepts of the lesson and connecting them to everyday life. Additionally, by suggesting extra materials and practices for students, the teacher encourages autonomous study and application of acquired knowledge.