Accessible via a free Dropbox login, these slides present a range geometrical of problems that involve circles centred on the origin, including finding tangents.19/08/2015
Diagnostic Questions - equation of a circle 1
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AQA have teamed up with Craig Barton's Diagnostic Questions website to share free diagnostic questions assessment for our new 2017 GCSE Maths specification.21/07/2017
Diagnostic Questions - equation of a circle 2
AQA have teamed up with Craig Barton's Diagnostic Questions website to share free diagnostic questions assessment for our new 2017 GCSE Maths specification.21/07/2017
Diagnostic Questions - equation of a circle 3
AQA have teamed up with Craig Barton's Diagnostic Questions website to share free diagnostic questions assessment for our new 2017 GCSE Maths specification21/07/2017
Equation of a Circle 1
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A video tutorial which explains how the equation of a circle in general form is derived. This is the first of a series of ten video tutorials - the others could be used as extension material and as helpful introductory work to AS level Mathematics. You will need to register for a TES account to access this resource, this is free of charge. 19/08/2015
Equation of a circle PowerPoint (part of Higher tier teaching pack)
Downloadable resource in ppt format.
29/04/2016
Equation of a circle resources (part of Higher tier teaching pack)
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Downloadable resource in doc format.
29/04/2016
Equation of tangents to circles
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A well constructed worksheet in which students must sketch circles centred on the origin and use their sketch and calculations to find the equation of a tangent to the circle at a given point. You will need to register for a TES account to access this resource, this is free of charge. 19/08/2015
General formula for a circle
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A nicely differentiated set of lesson resources which use Pythagoras' theorem to derive the equation of a circle and use it to state the centre and radius from the given circle equations. You will need to register for a TES account to access this resource, this is free of charge. 19/08/2015
National STEM Centre: Circles with whole number points
An activity in which students use Geogebra to investigate the number of points on a circle with given number of integer coordinates. You will need to register for an account to access this resource, this is free of charge. 19/08/2015