## MAFS.4.G.1.2: 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.

There are 224 resources.
Title Description Thumbnail Image Curriculum Topics

## Interactive Media Collection: Parallel Lines

Point-Slope Form, Slope-Intercept Form, Parallel Lines, Slope, Definition of a Quadrilateral and Perpendicular Lines

## Math Examples Collection: Equations with Angles from Parallel Lines Cut by a Transversal

Parallel Lines, Applications of Angles and Planes and Applications of Equations and Inequalities

## Math Definitions Collection: Triangles

Definition of a Triangle

## Math Clip Art Collection: Geometry Basics: Classifying Triangles by Sides

Definition of a Triangle

## Math Clip Art Collection: Geometry Basics: Classifying Triangles by Angle

Definition of a Triangle

## Math Clip Art Collection: Geometry Basics: Triangles

Definition of a Triangle

Parallel Lines

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

Definition of a Triangle

## Math Clip Art Collection: Triangles

### Overview

Applications of Coordinate Geometry, Applications of Triangles, Definition of a Triangle and Right Triangles

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

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

## Math Video Collection: Geometry Applications Video Series: Points and Lines

### Over

Applications of Points and Lines, Definition of a Line and Definition of a Point

Parallel Lines

## Math Examples Collection: Triangle Classification

Definition of a Triangle

Parallel Lines

Parallel Lines

Parallel Lines

Parallel Lines

Parallel Lines

Parallel Lines

Parallel Lines

Parallel Lines

## Animated Math Clip Art--Triangles--Acute Triangles 1

### Animated Math Clip Art--Triangles--Acute Triangles 1 This is part of a series of animated math clip art images that show that show different properties of triangles. Use these animated GIF images in your PowerPoint or GoogleSlide presentations.

Definition of a Triangle

## Animated Math Clip Art--Triangles--Acute Triangles 2

### Animated Math Clip Art--Triangles--Acute Triangles 2 This is part of a series of animated math clip art images that show that show different properties of triangles. Use these animated GIF images in your PowerPoint or GoogleSlide presentations.

Definition of a Triangle

## Animated Math Clip Art--Triangles--Equilateral Triangles 1

### Animated Math Clip Art--Triangles--Equilateral Triangles 1 This is part of a series of animated math clip art images that show that show different properties of triangles. Use these animated GIF images in your PowerPoint or GoogleSlide presentations.

Definition of a Triangle