Embedded Files
Learning Target:
- I can create a similar figure by correctly dilating a preimage by a scale factor.
CCSS:
- 8.G.1 Verify experimentally the properties of rotations, reflections, and translations: a) Lines are taken to lines, and line segments to line segments of the same length. b) Angles are taken to angles of the same measure. c) Parallel lines are taken to parallel lines.
- 8.G.2 Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them.
- 8. G.3 Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.
- 8.G.4 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.
Lesson Video:
Supplemental Video:
Classwork:
Online Practice:
- Some of these need to be copied and pasted into your browser...
- https://www.khanacademy.org/math/basic-geo/basic-geo-transformations-congruence/basic-geo-dilations/e/dilations-preserved-properties - notice that there are tutorials above this practice (in the left hand margin)
- https://www.brainfuse.com/jsp/alc/resource.jsp?s=gre&c=35228&cc=108830
- http://www.ixl.com/math/grade-8/dilations-graph-the-image
Graded Assignment:
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