CCSS

These are the resources that support this Common Core Standard.

CCSS.MATH.CONTENT.4.G.A.2 - Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.

Displaying 51 - 100 of 235 resources:

Thumbnail Image Title Description Curriculum Nodes
Closed Captioned Video: Geometry Applications: Points and Lines, Segment 3: Lines

Closed Captioned Video: Geometry Applications: Points and Lines, 3

Closed Captioned Video: Geometry Applications: Points and Lines, Segment 3: Lines

Many cities are laid out in a rectangular grid and are examples of intersecting lines and rays.

Applications of Points and Lines, Definition of a Line and Definition of a Point
Collections in a Box

Collections in a Box: Parallel and Perpendicular Lines

This cheat sheet gathers together the resources on the topic of parallel and perpendicular lines. See the descriptions and links below. Each link takes you to a collection of resources around that topic.

Geometric Constructions with Points and Lines, Parallel Lines and Perpendicular Lines
Definition--Triangle Concepts--3, 4, 5 Right Triangle

Definition--Triangle Concepts--3-4-5 Right Triangle

3-4-5 Right Triangle

Definition of a Triangle
Definition--Triangle Concepts--30, 60, 90 Right Triangles

Definition--Triangle Concepts--30-60-90 Right Triangles

30-60-90 Right Triangles

Definition of a Triangle
Definition--Triangle Concepts--45, 45, 90 Right Triangles

Definition--Triangle Concepts--45-45-90 Right Triangles

45-45-90 Right Triangles

Definition of a Triangle
Definition--Triangle Concepts--5, 12, 13 Right Triangle

Definition--Triangle Concepts--5-12-13 Right Triangle

5-12-13 Right Triangle

Definition of a Triangle
Definition--Triangle Concepts--Acute Triangle

Definition--Triangle Concepts--Acute Triangle

Acute Triangle

Definition of a Triangle
Definition--Triangle Concepts--Area of a Triangle

Definition--Triangle Concepts--Area of a Triangle

Area of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Base of a Triangle

Definition--Triangle Concepts--Base of a Triangle

Base of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Centroid of a Triangle

Definition--Triangle Concepts--Centroid of a Triangle

Centroid of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Circle Inscribed In a Triangle

Definition--Triangle Concepts--Circle Inscribed In a Triangle

Circle Inscribed In a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Circumcenter of a Triangle

Definition--Triangle Concepts--Circumcenter of a Triangle

Circumcenter of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Congruent Triangles

Definition--Triangle Concepts--Congruent Triangles

Congruent Triangles

Definition of a Triangle
Definition--Triangle Concepts--Equilateral Triangle

Definition--Triangle Concepts--Equilateral Triangle

Equilateral Triangle

Definition of a Triangle
Definition--Triangle Concepts--Hypotenuse

Definition--Triangle Concepts--Hypotenuse

Hypotenuse

Definition of a Triangle
Definition--Triangle Concepts--Incenter of a Triangle

Definition--Triangle Concepts--Incenter of a Triangle

Incenter of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Inscribed Triangle

Definition--Triangle Concepts--Inscribed Triangle

Inscribed Triangle

Definition of a Triangle
Definition--Triangle Concepts--Interior Angles of a Triangle

Definition--Triangle Concepts--Interior Angles of a Triangle

Interior Angles of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Isosceles Triangle, Definition 1

Definition--Triangle Concepts--Isosceles Triangle, Definition 1

Isosceles Triangle, Definition 1

Definition of a Triangle
Definition--Triangle Concepts--Isosceles Triangle, Definition 2

Definition--Triangle Concepts--Isosceles Triangle, Definition 2

Isosceles Triangle, Definition 2

Definition of a Triangle
Definition--Triangle Concepts--Legs of a Right Triangle

Definition--Triangle Concepts--Legs of a Right Triangle

Legs of a Right Triangle

Definition of a Triangle
Definition--Triangle Concepts--Medians of a Triangle

Definition--Triangle Concepts--Medians of a Triangle

Medians of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Obtuse Triangle

Definition--Triangle Concepts--Obtuse Triangle

Obtuse Triangle

Definition of a Triangle
Definition--Triangle Concepts--Orthocenter of a Triangle

Definition--Triangle Concepts--Orthocenter of a Triangle

Orthocenter of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Perimeter of a Triangle

Definition--Triangle Concepts--Perimeter of a Triangle

Perimeter of a Triangle

Definition of a Triangle
Definition--Triangle Concepts--Pythagorean Triples

Definition--Triangle Concepts--Pythagorean Triples

Pythagorean Triples

Definition of a Triangle
Definition--Triangle Concepts--Right Triangle

Definition--Triangle Concepts--Right Triangle

Right Triangle

Definition of a Triangle
Definition--Triangle Concepts--Incenter of a Triangle

Definition--Triangle Concepts--Scalene Triangle

Scalene Triangle

Definition of a Triangle
Definition--Triangle Concepts--Similar Triangles

Definition--Triangle Concepts--Similar Triangles

Similar Triangles

Definition of a Triangle
Definition--Triangle Concepts--Triangle Altitude

Definition--Triangle Concepts--Triangle Altitude

Triangle Altitude

Definition of a Triangle
Definition--Triangle Concepts--Triangle Height

Definition--Triangle Concepts--Triangle Height

Triangle Height

Definition of a Triangle
Definition--Triangle Concepts--Triangle Inscribed in a Circle

Definition--Triangle Concepts--Triangle Inscribed in a Circle

Triangle Inscribed in a Circle

Definition of a Triangle
Definition--Triangle Concepts--Isosceles Triangle, Definition 1

Definition--Triangle Concepts--Triangle, Definition 1

Triangle, Definition 1

Definition of a Triangle
Definition--Triangle Concepts--Triangle, Definition 2

Definition--Triangle Concepts--Triangle, Definition 2

Triangle, Definition 2

Definition of a Triangle
Definition--Triangle Concepts--Vertex of a Triangle

Definition--Triangle Concepts--Vertex of a Triangle

Vertex of a Triangle

Definition of a Triangle
INSTRUCTIONAL RESOURCE: Nspire App Tutorial: Parallel and Perpendicular Lines

INSTRUCTIONAL RESOURCE: Nspire App Tutorial: Parallel and Perpendicular Lines

In this Slide Show, explore the properties of parallel and perpendicular lines. Use a slider to define the slope and then graph parallel and perpendicular lines linked to this slider.

Parallel Lines and Perpendicular Lines
Interactive Word Search Puzzle--Triangles, Puzzle 3

Interactive Word Search Puzzle--Triangles, Puzzle 3

Interactive Word Search Puzzle--Triangles, Puzzle 3

Solve an interactive word search puzzle on the topic of Triangles.

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 01

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 01

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 01

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 02

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 02

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 02

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 03

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 03

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 03

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 04

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 04

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 04

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 05

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 05

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 05

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 06

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 06

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 06

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 07

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 07

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 07

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 08

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 08

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 08

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 09

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 09

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 09

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 10

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 10

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 10

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 11

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 11

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 11

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying TriAngles, Image by Angles, Image 12

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 12

Math Clip Art--Geometry Basics--Classifying Triangles by Angles 12

Definition of a Triangle
Math Clip Art--Geometry Basics--Classifying Triangles by Sides, Image 01

Math Clip Art--Geometry Basics--Classifying Triangles by Sides 01

Math Clip Art--Geometry Basics--Classifying Triangles by Sides 01

Definition of a Triangle