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- HSG-SRT.A.1Verify experimentally the properties of dilations given by a center and a scale factor:
- HSG-SRT.A.2Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.
- HSG-SRT.A.3Use the properties of similarity transformations to establish the AA criterion for two triangles to be similar.

HSG-SRT.A.2

Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.

Transformations + Similarity

Geometry

» Unit:

Sweet Similar Shapes

Big Idea:Students will use a pair-share activity and activate their prior knowledge to discover how transformations connect to AA criterion.

Finally Finals #1

Geometry

» Unit:

Finally Finals

Big Idea:It's time for Jeopardy! In this review lesson, students will play Jeopardy to review key topics covered in the Geometry curriculum like transformations and perpendicular bisectors.

Introduction to Similar Figures

Geometry

» Unit:

Similar Figures

Big Idea:What are dilations good for? Let's look at similar figures!

Discovering Similar Triangles

Geometry

» Unit:

Sweet Similar Shapes

Big Idea:Completing a hands-on activity, students will cut, categorize and discover properties of similar triangles.

Dilation Nation

Geometry

» Unit:

Transformers and Transformations

Big Idea:Students will review transformations using a brain pop and learn how to geometrically enlarge and shrink shapes.

Similar Triangle Practice

Geometry

» Unit:

Similarity in Triangles

Big Idea:In this lesson, students apply the properties and theorems studied throughout the unit to justify that triangles are similar.

More Discovering Similar Triangles

Geometry

» Unit:

Sweet Similar Shapes

Big Idea:Students will finish discovering key properties of similar triangles and will practice identifying if two shapes are similar.

Review Day for Sweet Similar Shapes

Geometry

» Unit:

Sweet Similar Shapes

Big Idea:Students will use the SMART Clickers to review key topics for this unit like, identifying similar shapes, and then complete a practice test.

Assessment for Sweet Similar Shapes

Geometry

» Unit:

Sweet Similar Shapes

Big Idea:Students will be assessed on their knowledge of similarity on a test or problem set.

Definition of Similarity and Similar Triangles

Geometry

» Unit:

Triangle Similarity and Trigonometric Ratios

Big Idea:Students' prior knowledge of transformations and congruence helps them make connections as they learn to use similarity shortcuts.

End of Year Assessment

Geometry

» Unit:

Final Assessment

Big Idea:This is a comprehensive assessment of all content learned to date.

Radian measure Day 2 of 2

12th Grade Math

» Unit:

Trigonometry as a Real-Valued Functions

Big Idea:Through sharing of problem solving strategies students will develop a description for measuring angles in radians and use the relationship with degrees to find special angles.

Triangle Similarity Criteria

Geometry

» Unit:

Similarity

Big Idea:Enough is enough...but what is enough? In this lesson, students will determine the criteria that are sufficient for determining triangle similarity.

End of Year Assessment Review Day 3 of 4

Geometry

» Unit:

Final Assessment

Big Idea:In this lesson, students practice problems involving concepts from the units on similarity, trigonometry and coordinate geometry.

Similarity Group Assessment

Geometry

» Unit:

Triangle Similarity and Trigonometric Ratios

Big Idea:Students will be able to apply their understanding of triangle similarity in novel ways to write proofs and demonstrate their understanding on a group assessment.

HSG-SRT.A.1

Verify experimentally the properties of dilations given by a center and a scale factor:

HSG-SRT.A.2

Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.

HSG-SRT.A.3

Use the properties of similarity transformations to establish the AA criterion for two triangles to be similar.