### Lesson: Year 1 Area Calculations Review

#### Introduction

Calculating the area of various shapes is a fundamental aspect of geometry that has numerous applications in real life, such as in interior design, landscaping, and architecture. Understanding how to compute the area of different shapes is essential for practical problem-solving. In this lesson, we will review the methods for calculating the area of basic shapes encountered in Year 1 geometry and utilize interactive exercises on educational websites to reinforce these concepts.

#### Objectives

- Review and practice calculating the area of basic shapes, including rectangles, triangles, and circles.
- Understand the formulas and methods used for area calculation.
- Apply these concepts through interactive exercises on educational websites.

#### Area Calculations for Basic Shapes

**Rectangles and Squares**:- Area of a rectangle: length × width.
- For squares (where all sides are equal), area = side length × side length.

**Triangles**:- Area of a triangle: $21 ×base×height$.
- Importance of understanding what constitutes the base and the height in different types of triangles.

**Circles**:- Area of a circle: $π×radius_{2}$.
- Discuss the role of $π$ (approximately 3.14159) in circle area calculations.

#### Interactive Exercises on Educational Websites

Educational websites provide interactive exercises that are excellent for practicing area calculations:

**Khan Academy**(Khan Academy Geometry):- Offers practice problems with instant feedback.
- Includes tutorials and explanations for a better understanding of area concepts.

**IXL Learning**(IXL Geometry Practice):- Provides a range of problems focused on area calculations.
- Allows students to practice at their own pace with problems adjusted to their skill level.

#### Exercise

**Area Calculation Problems**: Solve a variety of problems involving the calculation of the area of rectangles, triangles, and circles. Try to do the calculations manually first and then use the interactive exercises for practice and verification.**Real-Life Application**: Measure objects or spaces around you, such as a tabletop or a garden plot, and calculate their area. Use the educational websites to check your answers and to explore different problem scenarios.

#### Conclusion

Mastering the skill of calculating the area of various shapes is crucial not only for academic purposes but also for real-world applications. By reviewing these concepts and using interactive educational resources, students can strengthen their understanding and application of these important geometric principles. Encourage continuous practice and exploration of area calculations in different contexts to enhance both mathematical skills and practical problem-solving abilities.