8.G.A.1

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- 8.G.A.1Verify experimentally the properties of rotations, reflections, and translations:
- 8.G.A.2Understand 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.A.3Describe the effect of dilations, translations, rotations and reflections on two-dimensional figures using coordinates.
- 8.G.A.4Understand 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.
- 8.G.A.5Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this is so.

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## 8.G.A.1c

## Parallel lines are taken to parallel lines

19 Lesson(s)

### Introduction to congruence and similarity through transformations

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Translations 1

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Rotations 1

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Dilations 1

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Mixed Review - Transformations

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

Big Idea:

#### Deepen students' understanding by putting together the last 8 days of learning into one day. Incredibly important to consolidate their understanding before moving on!

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Resources
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Reflections
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### Rotations 2

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Reflections 1

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Reflections 2

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Dilations 2

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Mixed Review - Transformations

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Translations 2

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Series of Transformations that Lead to Congruence

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Similarity 1

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Reflections 3

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

### Similarity 2

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

8th Grade Math »
Unit: CONGRUENCE AND SIMILARITY THROUGH TRANSFORMATIONS

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