This engaging Circles Mini Unit is designed to help students determine the relationship between the circumference and the radius/diameter of a circle and the relationship between the area and radius of a circle. Students will complete 2 investigative tasks on circumference and area of a circle. This resource includes: 1. Lesson Plans: Lesson plans outline the resources needed, minds on task/mini-lesson, activity and consolidation for the 2 investigative tasks. 2.Student Booklet (metric and imp