Chapter Overview
In this chapter, students learn about the area of different shapes and the concept of boundary. The area refers to the surface covered by a shape, while the boundary is the line that encloses it. Various shapes like squares, rectangles, and irregular shapes are explored, and students are introduced to units used to measure area and length. Activities and examples help understand how to calculate area and measure boundaries practically.
Important Keywords
- Area: The amount of space inside a 2D shape.
- Boundary: The outer edge or perimeter of a shape.
- Perimeter: Total length around a shape's boundary.
- Square Unit: Unit used to measure area, e.g., square centimeter (cm²), square meter (m²).
- Shape: A figure with defined boundaries such as square, rectangle, circle.
- Measurement: Process of finding size, length, or amount.
Detailed Notes
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