Everything you need to introduce circles to KS3, as well as challenging KS4 classes with arc length and area of sectors. These lessons are ready to go, so I hope it saves you some time and effort! All lessons include a 5 a day starter, a progress tick sheet, differentiated questions WITH answers and a plenary. Lesson 1 : Circumference. Whole lesson introducing parts of the circle and how to find the circumference of a circle. Challenges classes with finding perimeters or sectors as well as finding the diameter when given a circumference. Lesson 2: Area of circles. Finding the area of a circle with functional extension questions and a printable differentiated worksheet to extend students. Lesson 3: Sectors of circles. Extending how to find area of circles, by finding fractions of each circle. Shows examples of finding halves and quarters of circles to support understanding of how to find a fraction of the area of a full circle. Includes a functional pizza question to master the concept in real life situations! Lesson 4: Arc Length. Using the same method used to find the area of sectors, to find arc length. Going through how we would find half and quarter of the circumference and questioning can be used to guide students in to how we would find a fifth of the circumference, eighth, etc and then onto more specific and difficult fractions of the circumference. Leads on from last lesson. EXTRA! I have added in an extra learning objective sheet that I made for a homework after the circle topic, to check understanding and progress. This worksheet can also be used in class. The sheet includes a self assessment area for students. I hope you like this bundle of circle lessons and resources and it saves you all some time and effort. If you do like it, or think I could do more, please rate and comment! Thank you!