

In this lesson, 3rd-grade students will explore the concepts of measurement and perimeter through a hands-on approach related to designing a garden layout. The lesson begins with an introduction to perimeter, emphasizing its real-world applications in everyday life. Students will learn how to measure lengths and widths using rulers and yardsticks, and they will be introduced to the formulas for calculating the perimeter of squares and rectangles.
Guided practice will involve small groups measuring a pre-drawn garden layout on graph paper and calculating its perimeter collaboratively. Following this, students will independently complete worksheets to practice finding the perimeter of various geometric shapes. For the hands-on activity, students will measure real garden spaces or use a digital design to create their own garden, calculating the necessary perimeter for fencing.
The lesson culminates with group presentations where students showcase their designs and perimeter calculations, fostering communication skills and reinforcing their understanding of the topic. Assessment will include observation of group interactions, review of worksheets, and a reflective exit ticket. Differentiation strategies will support various learner needs, ensuring an inclusive environment for all students.
| Level | Elementary School |
| Grade | 3rd Grade |
| Subject | Math |
| Subject Area | Measurement |
| Subject Topic | Perimeter |
| Age Range | 8 to 9 |
| Audience | Group |
| Language | English |
| Duration | 70 mins |
