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This Fundamental Theorem of Similarity (FTS) lesson plan also includes:
- Fundamental Theorem of Similarity (FTS) (Doc)
- Fundamental Theorem of Similarity (FTS) (PDF)
- Fundamental Theorem of Similarity (FTS) (Doc)
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- Grade 8 Module 3: Student Materials
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- Answer Key
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How do dilated line segments relate? Lead the class in an activity to determine the relationship between line segments and their dilated images. In the fourth section in a unit of 16, pupils discover the dilated line segments are parallel to the original, and the scale factor is apparent in all the lengths.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Use geometry software to get precise measurements
Classroom Considerations
- Requires a piece of lined paper, a centimeter ruler, a protractor, and a basic calculator for each class member
- Expects knowledge of dilations
Pros
- The resource contains images of examples of individual work
- Teacher notes provide information to the teacher about the precision of measurements
Cons
- None