## TEKS.8.8D: Use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

There are 18 resources.
Title Description Thumbnail Image Curriculum Topics

## Desmos Worksheets and Transcripts

### This is a collection of companion resources, including worksheets and transcripts. The worksheets accompany some of the Desmos graphing calculator activities. The transcripts are for the videos.

Slope-Intercept Form, Quadratic Equations and Functions, Standard Form, Point-Slope Form, Definition of an Angle, Definition of a Line, Parallel Lines, Perpendicular Lines, Definition of a Plane, Definition of a Triangle, Geometric Constructions with Triangles, Definition of a Quadrilateral, Geometric Constructions with Polygons and Definition of a Polygon

## Math Clip Art Collection: Angles

### This collection aggregates all the math clip art around the topic of Angles. There are a total of 22 images.

Angles and Applications of Angles and Planes

## Math Examples Collection: Analyzing Congruent Shapes

### This collection aggregates all the math examples around the topic of Analyzing Congruent Shapes. There are a total of 9 Math Examples.

Definition of a Triangle

## Test Prep Interactive Quizzes

### Test Prep Interactive Quizzes are an excellent way for students to review key concepts. Each Test Prep quiz has ten multiple choice questions.

Addition Facts to 10, Addition Facts to 25, Addition Facts to 100, Place Value, Subtraction Facts to 100, Definition of an Angle, Solving One-Step Equations, Graphs of Linear Functions, Slope, Slope-Intercept Form and Counting

Parallel Lines

## Math Examples Collection: Analyzing Similar Shapes

### This collection aggregates all the math examples around the topic of Analyzing Similar Shapes. There are a total of 10 Math Examples.

Definition of a Triangle

## Math Definitions Collection: Angles

### This collection aggregates all the definition image cards around the topic of Angles. There are a total of 22 terms.

Definition of an Angle

## Math Clip Art Collection: Points, Lines, Segments, and Rays

### This collection aggregates all the math clip art around the topic of Points, Lines, Segments, and Rays. There are a total of 18 images.

Applications of Points and Lines, Parallel Lines, Perpendicular Lines, Applications of Coordinate Geometry and Coordinate Systems

## Math Examples Collection: Angle Measures

### This collection aggregates all the math examples around the topic of Angle Measures. There are a total of 48 Math Examples.

Definition of an Angle

## Math Clip Art Collection: Animated Clip Art--Angles

### This collection aggregates all the math clip art around the topic of Animated Clip Art. There are a total of 83 images.

Definition of an Angle

## Math Video Collection: Geometry Applications Video Series: Angles and Planes

### This collection aggregates all the math videos and resources in this series: Geometry Applications Video Series: Angles and Planes. There are a total of 13 resources.

Applications of Angles and Planes, Definition of an Angle and Applications of Points and Lines

## Math Examples Collection: Congruent Triangles

### This collection aggregates all the math examples around the topic of Congruent Triangles. There are a total of 8 Math Examples.

Definition of a Triangle

### This collection aggregates all the Google Earth Voyager Stories. There are a total of 17 stories.

Perpendicular Lines, Parallel Lines, Applications of Points and Lines, Applications of Circles, Cylinders, Applications of Angles and Planes, Applications of Polygons, Pyramids, Triangular Prisms, Rectangular Prisms, 3-Dimensional Figures, Applications of Surface Area and Volume, Rational Functions and Equations, Surface Area, Volume, Applications of Triangles and Applications of Quadrilaterals

## Math Video Collection: Desmos Geometry Tutorial Videos

### This collection aggregates all the math videos and resources in this series: Desmos Geometry Tutorial Videos. There are a total of 50 resources.

Geometric Constructions with Points and Lines, Definition of a Point, Definition of a Line, Definition of a Plane, Definition of an Angle, Parallel Lines, Perpendicular Lines, Definition of a Triangle, Geometric Constructions with Triangles, Definition of a Quadrilateral, Geometric Constructions with Polygons and Definition of a Polygon

## Math Examples Collection: Radian Measure

### This collection aggregates all the math examples around the topic of Radian Measure. There are a total of 10 Math Examples.

Definition of an Angle

Parallel Lines

## Desmos Collection--Geometry Activities

### This collection of videos focus on the use of the Desmos Geometry Tool. Each video focuses on a specific geometry topic.

Geometric Constructions with Points and Lines, Definition of a Point, Definition of a Line, Parallel Lines, Perpendicular Lines, Definition of a Plane, Definition of an Angle, Definition of a Triangle, Geometric Constructions with Triangles, Definition of a Quadrilateral, Geometric Constructions with Polygons and Definition of a Polygon

## Math Examples Collection: Trig Ratios and Radian Measure

### This collection aggregates all the math examples around the topic of Trig Ratios and Radian Measure. There are a total of 16 Math Examples.

Trigonometric Functions