Understand scaling, dilation and their relation to similarity. 0606.4.8
Links verified on 7/14/2014
- Dilation - Enlargement and Reduction - the concepts of similarity and scale factor as they relate to two-dimensional and three-dimensional objects
- Dilations - explanation with several examples followed by questions to check for student understanding
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- Dilations - explanation and several good drawings to illustrate this concept
- Dilations and Scale Factor - review from That Quiz to use before taking the test below
- Dilations and Scale Factor - practice test from That Quiz
- Dilations and Similarity - [designed for grade 9] definitions, examples, and a Flash animation video explanation
- Explore Dilation - Drag the red points to explore dilation in the dynamic diagram. To reset to the original settings, type the letter "R" on the keyboard
or
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- Geoboard - use this interactive applet to investigate similarity - from the National Library of Virtual Manipulatives
or
- Similarity and Dilations - nine page document designed to look like a slide show
- Tangrams - use this interactive applet to investigate similarity - from the National Library of Virtual Manipulatives
or
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- Transformations: Dilation - use this interactive applet to investigate dilation - from the National Library of Virtual Manipulatives
or
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