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

16 Lesson(s)

### Transformations + Similarity

Geometry » Unit: Sweet Similar Shapes
Geometry » Unit: Sweet Similar Shapes
Saratoga Springs, NY
Environment: Suburban

Big Idea:

Standards:

Favorites (9)

Resources (16)

Reflections (1)

### 2 Triangles in 1

Geometry » Unit: Sweet Similar Shapes
Geometry » Unit: Sweet Similar Shapes
Saratoga Springs, NY
Environment: Suburban

Big Idea:

#### Students will complete a discovery activity to uncover key properties of similar triangles and apply knowledge of AA criterion.

Standards:

Favorites (3)

Resources (19)

Reflections (2)

Geometry » Unit: Similar Figures
Amsterdam, NY
Environment: Urban

Big Idea:

#### Student examine common errors made in setting up and solving for missing sides of similar triangles.

Standards:

Favorites (13)

Resources (10)

Geometry » Unit: Similar Figures
Amsterdam, NY
Environment: Urban

Big Idea:

Favorites (10)

Resources (9)

### Discovering Similar Triangles

Geometry » Unit: Sweet Similar Shapes
Geometry » Unit: Sweet Similar Shapes
Saratoga Springs, NY
Environment: Suburban

Big Idea:

Standards:

Favorites (22)

Resources (29)

Reflections (5)

### Introduction to Similar Right Triangles

Geometry » Unit: Similar and Right Triangles
Geometry » Unit: Similar and Right Triangles
Amsterdam, NY
Environment: Urban

Big Idea:

#### Students investigate the three similar right triangles created by the altitude to the hypotenuse of a right triangle.

Standards:

Favorites (9)

Resources (19)

Reflections (1)

Geometry » Unit: Similarity in Triangles
New York, NY
Environment: Urban

Big Idea:

Standards:

Favorites (4)

Resources (17)

Reflections (1)

### More Discovering Similar Triangles

Geometry » Unit: Sweet Similar Shapes
Geometry » Unit: Sweet Similar Shapes
Saratoga Springs, NY
Environment: Suburban

Big Idea:

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

Standards:

Favorites (2)

Resources (14)

Geometry » Unit: Similar Figures
Amsterdam, NY
Environment: Urban

Big Idea:

#### Similar or not similar? That is the question!

Favorites (2)

Resources (10)

Geometry » Unit: Similar Figures
Amsterdam, NY
Environment: Urban

Big Idea:

Standards:

Favorites (2)

Resources (11)

### Assessment for Sweet Similar Shapes

Geometry » Unit: Sweet Similar Shapes
Geometry » Unit: Sweet Similar Shapes
Saratoga Springs, NY
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (12)

Reflections (1)

### Definition of Similarity and Similar Triangles

Geometry » Unit: Triangle Similarity and Trigonometric Ratios
Geometry » Unit: Triangle Similarity and Trigonometric Ratios
Sunnyvale, CA
Environment: Suburban

Big Idea:

Standards:

Favorites (1)

Resources (28)

Reflections (3)

### End of Year Assessment

Geometry » Unit: Final Assessment
Geometry » Unit: Final Assessment
New York, NY
Environment: Urban

Big Idea:

#### This is a comprehensive assessment of all content learned to date.

Standards:

Favorites (1)

Resources (12)

Reflections (1)

Geometry » Unit: Similar Figures
Amsterdam, NY
Environment: Urban

Big Idea:

#### Students pull together concepts, both new and old, in preparation for a summative assessment.

Standards:

Resources (9)

Geometry » Unit: Similarity
Environment: Suburban

Big Idea:

Standards:

Favorites (2)

Resources (15)

Reflections (1)
Common Core Math