Circles | GCSE Maths Grade 3 Walkthrough

Name every part of a circle, then work out circumference and area - to decimal places and in terms of π - right through to semicircles, quarter circles and shaded regions. All 20 questions on the GCSE Grade 3 Circles worksheet, worked through step by step. 📄 Download the free worksheet (exam style, answers included): https://effectiveeducation.online/wor... ✏️ Then practise with GCSE-style questions that mark your answers instantly: https://effectiveeducation.online In this video: • The parts of a circle - radius, diameter, chord, tangent, sector, segment and arc • Circumference and area, to decimal places and in terms of π • Working backwards from the circumference or the area to the radius • Semicircles, quarter circles and shaded areas • GCSE exam-style questions - fencing a field, bags of bark for a play area, the area of a segment, and a "show that" Chapters: 0:00 Q1 Draw a radius and shade a sector 0:22 Q2 Radius and diameter 0:41 Q3 Chord and tangent 1:00 Q4 Sector and segment 1:18 Q5 Arc and circumference 1:39 Q6 Circumference to 2 decimal places 2:06 Q7 Circumference in terms of π 2:29 Q8 Area in terms of π 2:48 Q9 Area from the diameter 3:17 Q10 Diameter from the circumference 3:44 Q11 Semicircle - perimeter and area 4:36 Q12 A quarter removed - area and perimeter 5:31 Q13 Circle inside a square 6:13 Q14 Area of a ring 7:02 Q15 Radius from the area 7:27 Q16 Cost of fencing a field 8:32 Q17 Bags of bark for a play area 9:45 Q18 Perimeter of a semicircle from its area 10:45 Q19 Area of a segment 11:28 Q20 Show that the radius is 4 cm #GCSEMaths #Circles #MathsRevision