This 3rd–4th Grade Math Flip Book provides students with a clear, step-by-step process for understanding and calculating perimeter. Designed as a visual reference, this resource helps students build a conceptual understanding of perimeter while learning multiple ways to find the distance around a two-dimensional shape. ✅ Students learn how to: Understand perimeter as the distance around a shape Find perimeter using grid models and counting units Find perimeter when side lengths are given Measu