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Colin Foster
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Circles
These 15 instant maths ideas, ideal for use as starter questions, extension question or probing questions to assess understanding, require students to perform a practical experiment in order to estimate a value for pi, describe a circle over the phone, find a connection between the length of the radius of a circle and the area of the circle, explore different series giving approximations for pi, investigate problems requiring the calculation of circumference and calculate the number of revolutions per minute of a spinning object. The student resource sheets require students to use flow diagrams to calculate areas and perimeters of circles and estimate the area of circles drawn on squared paper.
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