Educational goals: 1. Understand the concept of integers and their representation on a number line. 2. Performing basic arithmetic operations (addition, subtraction, multiplication, division) on integers. 3. Solve mathematical problems involving integers in different contexts. Educational activities: 1. Introduction: - Providing an introduction to integers and their importance in mathematics and daily life. - Use a number line to show the location of integers. 2. Explanation of the lesson: - Explain how to add and subtract integers using a number line and practical examples. - Explaining how to multiply integers and divide integers through clear and simplified examples. 3. Practical activities: - Distributing worksheets containing various arithmetic problems including addition, subtraction, multiplication and division of integers. - Organizing a group activity in which problems are solved collaboratively with discussion and exchange of ideas. 4. Evaluation: - Conduct a short test to measure students’ understanding of the lesson. - Provide immediate feedback and correct errors with additional explanation when needed. Educational tools and methods: - A large number line drawn on the board. - Worksheets that include various issues. - Calculator (if necessary).