Chapter 8: Perimeter and Measuring Boundaries
Understanding and measuring boundaries, measuring sides, adding side lengths, and comparing boundaries of simple shapes
Topic 8.1: Understanding Perimeter: Measuring Sides of 2D Shapes
📖 Read Lesson (15m)
Define perimeter as the continuous boundary distance around a 2D shape and measure sides with rulers and grid units.
Topic 8.2: Comparing Boundaries and Real-World Fencing Problems
📖 Read Lesson (15m)
Compare perimeters of different geometric layouts, solve missing side puzzles, and plan real-world borders.