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Similarity & Transformations - Rotation, Reflection, Translation, Dilations




 


Videos and lessons to help Grade 8 students learn how to understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar two-dimensional figures, describe a sequence that exhibits the similarity between them.

Common Core: 8.G.4

Suggested Learning Targets


  • I can define similar figures as corresponding angles are congruent and corresponding side lengths are proportional.
  • I can recognize the symbol for similar.
  • I can apply the concept of similarity to write similarity statements
  • I can reason that a 2-D figure is similar to another if the second can be obtained by a sequence of rotations, reflections, translation or dilation
  • I can describe the sequence of rotations, reflections, translations, or dilations that exhibits the similarity between 2-D figures using words and/or symbols.

Related Topics:
Common Core for Grade 8

Common Core for Mathematics

More Math Lessons for Grade 8


Describe sequences of transformations to prove two figures are similar or congruent--1 of 3 (8.G.4)
In this lesson you will learn how to prove that two figures are congruent by describing a sequence of rotations, reflections or translations.


Describe sequences of transformations to prove two figures are similar or congruent--2 of 3 (8.G.4)
In this lesson you will learn how to determine if two figures are similar by using dilations and scale factors.


Describe sequences of transformations to prove two figures are similar or congruent--3 of 3 (8.G.4)
In this lesson you will learn how to prove that two figures are similar or congruent after a transformation by describing a sequence of transformations.





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