TEKS

These are the resources that support this TEKS Standard.

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.

Desmos Resource 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.

Math Clip Art 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.

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.

Test Prep 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

Math Clip Art Collection: Parallel Lines Cut by a Transversal

This collection aggregates all the math clip art around the topic of Parallel Lines Cut by a Transversal. There are a total of 16 images.

Math Clip Art 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.

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.

Angles Collection 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.

Math Clip Art 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.

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.

Animated Math Clip Art 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.

Math Videos 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.

Math Examples Definition of a Triangle

Google Earth Voyager Collection

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

Google Earth 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.

Math Videos 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.

Math Examples Definition of an Angle

Math Clip Art Collection: Animated Clip Art--Parallel Lines

This collection aggregates all the animated math clip art around the topic of Parallel Lines Cut by a Transversal. There are a total of 8 images. This collection of resources is made up of downloadable GIF files that you can easily incorporate into a presentation.

Animated Math Clip Art 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. 

Collection 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.

Math Examples Trigonometric Functions