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Nuffield Foundation
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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.
Similarity
From the Nuffield Foundation, the purpose of this module is to introduce students to a study of the properties of similar figures as a first step on the way to a study of trigonometry. Hence the workcards involve the practising of the mechanics of enlargement, becoming familiar with the idea of a scale factor and with the idea of an invariant point or centre of enlargement.
The resource includes:
*Notes for the teacher including a brief overview of the content of the workcards and references to other resources
*A cards and notes: introduces the idea of a scale factor of enlargement using aerial photographs (not included)
*B cards and notes: visual identification of similar shapes using pictures and diagrams
*C cards and notes: determining similarity by holding diagrams at differing distances
*D card and notes: creating similar drawings using elastics thread and a pantograph
*E cards and notes: testing similarity using properties of parallel lines.
Each card has detailed ‘Notes for the teacher’ and most cards have ‘Notes for the pupil’.
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Please be aware that resources have been published on the website in the form that they were originally supplied. This means that procedures reflect general practice and standards applicable at the time resources were produced and cannot be assumed to be acceptable today. Website users are fully responsible for ensuring that any activity, including practical work, which they carry out is in accordance with current regulations related to health and safety and that an appropriate risk assessment has been carried out.
Downloads
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Teachers' notes 384.94 KB
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A cards and notes 68.73 KB
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B cards and notes 181.21 KB
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C cards and notes 201.39 KB
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D cards and notes 218.83 KB
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E cards and notes 267.43 KB
Show downloads
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Teachers' notes 384.94 KB -
A cards and notes 68.73 KB
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B cards and notes 181.21 KB
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C cards and notes 201.39 KB
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D cards and notes 218.83 KB
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E cards and notes 267.43 KB
Download all files as a .zip1.19 MB
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