## ACC7

## Monday: 11/13/17

__8.G.A.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.A.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.__

**Objective:**__: How do we prove that two figures are similar?__

**Essential Question****I Can**apply a sequence of transformations to one figure to get a similar figure. I can use a sequence of transformations to explain why two figures are similar.

Today's Agenda:

- More Dilations page (you were assigned this for homework) videos
- Similarity
- Videos to support
- 6.1 Equivalent Expressions
- 6.2 Similarity Transformations - intro video and activity video
- 6.4 Methods for Translations and Dilations

- Videos to support
- Are they Similar? (7.2 of Similar Polygons)
- Videos to Support

## Tuesday: 11/14/17

__8.G.A Understand congruence and similarity using physical models, transparencies, or geometry software. 8.G.A.5 Use 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.__

**Objective:**__: How can we tell if two triangles are similar by using angle measures?__

**Essential Question****I Can**---I know how to decide if two triangles are similar just by looking at their angle measures.

Today's Agenda

- 7.3 Find someone similar - video
- Add lesson summaries for 6 and 7. - video
- Sequence of transformations task - video
- Similar Triangles (8.3 Similar figures in a regular polygon, only)
- videos to support
- 8.1 equivalent expressions 1-3 video and 4-5 video
- 8.3 similar figures in a regular polygon

- videos to support

## Wednesday: 11/15/17

__8.G.A Understand congruence and similarity using physical models, transparencies, or geometry software. 8.G.A.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.__

**Objective:**__: How are side lengths of similar triangles related?__

**Essential Question****I Can**find missing side lengths in a pair of similar triangles using quotients of side lengths and decide if two triangles are similar by looking at quotients of lengths of corresponding sides.

Today's Agenda

- Return Elena's task - video
- Side Length Quotients in Similar Triangles
- Lesson Summaries for #8 and #9 - video
- Angle-Angle Similarity Task

## Thursday: 11/16/17

__8.EE.B.6 Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y=mx for a line through the origin and the equation y=mx+b for a line intercepting the vertical axis at b.__

**Objective:**__: How are similar triangles related to slope?__

**Essential Question****I Can**draw a line on a grid with a given slope. I can find the slope of a line on a grid.

Today's Agenda:

- Review the Angle-Angle Similarity Task from yesterday
- Meet Slope
- Practice set of Meet Slope, if time

## Friday: 11/17/17

__8.EE.B.6 Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y=mx for a line through the origin and the equation y=mx+b for a line intercepting the vertical axis at b. 8.G.A Understand congruence and similarity using physical models, transparencies, or geometry software.__

**Objective:**__: How can we use the quotients of horizontal and vertical distances to find slope?__

**Essential Question****I Can**decide whether a point is on a line by finding quotients of horizontal and vertical distances.

Today's Agenda: