Circle Theorems (Extended Curriculum)
Introduction
Circle theorems on Geogebra - Michael Borcherds
Geogebra apps and worksheet - themathsteacher.com
Blank circle theorems - The Chalk Face
Angle Theorem Kim's Game: A memory game to be projected to help the whole class revise the circle angle theorems.
Circle Theorems: Diagrams of the circle theorems to be projected onto a white board as an effective visual aid.
Geometry Toolbox: Create your own dynamic geometrical diagrams using this truly amazing tool from GeoGebra.
Practice
Circle Theorems Exercise: Show that you understand and can apply the circle theorems with this self marking exercise.
Circle Theorem Pairs: A pairs game based around ten theorems about the angles made with chords, radii and tangents of circles.
Proof of Circle Theorems: Arrange the stages of the proofs for the standard circle theorems in the correct order.
Circle theorems – theorems Video 64 Practice Questions Textbook Exercise
Circle theorems – examples Video 65 Practice Questions Textbook Exercise
Circle theorems proof: right angle in a semi-circle Video 65a Practice Questions
Circle theorems proof: angles at circumference\centre Video 65b Practice Questions
Circle theorems proof: angles in the same segment Video 65c Practice Questions
Circle theorems proof: cyclic quadrilaterals Video 65d Practice Questions
Circle theorems proof: alternate segment theorem Video 65e Practice Questions
Circle theorems proof: radius and tangent proof Video 65f Practice Questions
Circle theorems proof: Textbook Exercise
Investigating Triangles Inside Circles Activity (Editable Word | PDF | Answers)
More Investigating Triangles Inside Circles Activity (Editable Word | PDF | Answers)
Angle Notation in Circle Theorems Practice Strips (Editable Word | PDF | Answers)
Circle Theorems and Triangles Practice Grid (Editable Word | PDF | Answers)
Right Angle in a Semi-Circle Practice Grid (Editable Word | PDF | Answers)
Isosceles Triangle in a Circle Practice Grid (Editable Word | PDF | Answers)
Circle Theorems and Quadrilaterals Practice Grid (Editable Word | PDF | Answers)
Angle at the Centre Practice Grid (Editable Word | PDF | Answers)
Cyclic Quadrilaterals Practice Grid (Editable Word | PDF | Answers)
Angles from the Same Segment Practice Grid (Editable Word | PDF | Answers)
Perpendicular from the Centre to a Chord Practice Grid (Editable Word | PDF | Answers)
Circle Theorems and Tangents Practice Grid (Editable Word | PDF | Answers)
Alternate Segment Theorem Practice Grid (Editable Word | PDF | Answers)
Mixed Circle Theorems Practice Grid (Editable Word | PDF | Answers)
Mixed Circle Theorems with Tangents Practice Grid (Editable Word | PDF | Answers)
Intersecting Chord and Secant Theorems Practice Grid (Editable Word | PDF | Answers)
N/A
Extension
Circle theorems meet 0.5absinC - Median Don Steward
Other Resources
Circle theorems - including Geogebra applets - Boss Maths
Introducing Circle Theorems - Nathan Day
Solving equations with circle theorems - Nathan Day
Solving further equations with circle theorems - Karen Hancock
Circle theorems problems - Maths Malakiss
Circle Theorems misconceptions tasks - mathshko.com
Circle theorems worksheet - MathsPad
Circle Theorems Reasoning Task - @rodrigotweets1 (with questions from Don Steward)
Teaching ideas Circle Theorems - Jo Morgan
AQA GCSE Mathematics Properties of Circles Pack - Oxford University Press (via TES)
Circle theorems match up - debbs_bridgman on TES
Circle theorems revision exercise - keyboardmonkey on TES
Circle theorems codebreaker - alutwyche on TES
Great angle chase - topdrawer.aamt.edu.au