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Circle Geometry - AMSI

Circle GEOMETRYThe Improving Mathematics Education in Schools (TIMES) Project MEASUREMENT AND Geometry Module 26 CCICIRLEA guide for teachers - Years 9 10 June 2011 Circle Geometry (Measurement and Geometry : Module 26)For teachers of Primary and Secondary Mathematics510 Cover design, Layout design and Typesetting by Claire HoThe Improving Mathematics Education in Schools (TIMES) Project 2009 2011 was funded by the Australian Government Department of Education, Employment and Workplace views expressed here are those of the author and do not necessarily represent the views of the Australian Government Department of Education, Employment and Workplace Relations. The University of Melbourne on behalf of the International Centre of Excellence for Education in Mathematics (ICE EM), the education division of the Australian Mathematical Sciences Institute (AMSI), 2010 (except where otherwise indicated).

CIRCLE GEOMETRY {4} A guide for teachers ASSUMED KNOWLEDGE • Introductory plane geometry involving points and lines, parallel lines and transversals, angle sums of triangles and quadrilaterals, and general angle‑chasing. • Experience with a logical argument in geometry written as a sequence of steps, each justified by a reason.

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amsi.org.au

Introductory Trigonometry (Measurement and Geometry: Module 23) For teachers of Primary and Secondary Mathematics 510 Cover design, Layout design and Typesetting by Claire Ho The Improving Mathematics Education in Schools (TIMES) Project 2009‑2011 was funded by the Australian Government Department of Education, Employment and Workplace Relations.

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amsi.org.au

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amsi.org.au

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amsi.org.au

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amsi.org.au

In this module we will use the word pronumeral for the letters used in algebra. We choose to use this word in school mathematics because of confusion that can arise from the words such as ‘variable’. For example, in the formula E = mc2, the pronumerals E and m are variables whereas c is a constant. Pronumerals are used in many different ways.

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