## MA.4.GR.1.1 - Informally explore angles as an attribute of two-dimensional figures. Identify and classify angles as acute, right, obtuse, straight or reflex.

### Displaying 1 - 50 of 161 resources:

Thumbnail Image Title Description Curriculum Nodes

### Animated Math Clip Art--Angle Concepts--Acute Angles 1

Animated Math Clip Art--Angle Concepts--Acute Angles 1

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Acute Angles 2

Animated Math Clip Art--Angle Concepts--Acute Angles 2

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Acute Angles 3

Animated Math Clip Art--Angle Concepts--Acute Angles 3

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Lines 1

Animated Math Clip Art--Angle Concepts--Angles from Lines 1

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Lines 2

Animated Math Clip Art--Angle Concepts--Angles from Lines 2

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Lines 3

Animated Math Clip Art--Angle Concepts--Angles from Lines 3

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Rays 1

Animated Math Clip Art--Angle Concepts--Angles from Rays 1

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Rays 2

Animated Math Clip Art--Angle Concepts--Angles from Rays 2

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Segments 1

Animated Math Clip Art--Angle Concepts--Angles from Segments 1

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Segments 2

Animated Math Clip Art--Angle Concepts--Angles from Segments 2

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Angles from Segments 3

Animated Math Clip Art--Angle Concepts--Angles from Segments 3

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Complementary Angles

Animated Math Clip Art--Angle Concepts--Complementary Angles

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Obtuse Angles 1

Animated Math Clip Art--Angle Concepts--Obtuse Angles 1

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Obtuse Angles 2

Animated Math Clip Art--Angle Concepts--Obtuse Angles 2

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Obtuse Angles 3

Animated Math Clip Art--Angle Concepts--Obtuse Angles 3

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Reflex Angles

Animated Math Clip Art--Angle Concepts--Reflex Angles

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Right Angles 1

Animated Math Clip Art--Angle Concepts--Right Angles 1

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Right Angles 2

Animated Math Clip Art--Angle Concepts--Right Angles 2

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Right Angles 3

Animated Math Clip Art--Angle Concepts--Right Angles 3

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Right Angles 4

Animated Math Clip Art--Angle Concepts--Right Angles 4

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Right Angles 5

Animated Math Clip Art--Angle Concepts--Right Angles 5

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Straight Angles

Animated Math Clip Art--Angle Concepts--Straight Angles

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Animated Math Clip Art--Angle Concepts--Supplementary Angles

Animated Math Clip Art--Angle Concepts--Supplementary Angles

This is part of a series of animated math clip art images that show show the properties of angles.

Definition of an Angle

### Closed Captioned Video: Desmos Geometry Exploration: Angles

Closed Captioned Video: Desmos Geometry Exploration: Angles

In this video tutorial angles are defined. Students are shown how to construct and measure using the Desmos geometry tools.

Definition of an Angle

### Closed Captioned Video: Desmos Geometry Exploration: Intersecting Lines and Planes

Closed Captioned Video: Desmos Geometry Exploration: Intersecting Lines and Planes

In this video tutorial intersecting lines and planes are defined.

Definition of a Line

### Closed Captioned Video: Desmos Geometry Exploration: Lines, Rays, Segments

Closed Captioned Video: Desmos Geometry Exploration: Lines, Rays, Segments

In this video tutorial lines, rays, and segments are defined.

Definition of a Line

### Closed Captioned Video: Desmos Geometry Exploration: Parallel and Perpendicular Lines

Closed Captioned Video: Desmos Geometry Exploration: Parallel and Perpendicular Lines

In this video tutorial parallel and perpendicular lines are defined.

Parallel Lines and Perpendicular Lines

### Closed Captioned Video: Desmos Geometry Exploration: Planes

Closed Captioned Video: Desmos Geometry Exploration: Planes

In this video tutorial planes planes and coplanar points and lines are defined.

Definition of a Plane

### Closed Captioned Video: Desmos Geometry Exploration: Points

Closed Captioned Video: Desmos Geometry Exploration: Points

In this video tutorial points are defined. Students are shown how to construct and label points using the Desmos geometry tools.

Definition of an Angle

### Closed Captioned Video: Desmos Geometry Exploration: Types of Angles I

Closed Captioned Video: Desmos Geometry Exploration: Types of Angles I

In this video tutorial different types of angles are defined, including acute, right, supplementary, and straight angles.

Definition of an Angle

### Closed Captioned Video: Desmos Geometry Exploration: Types of Angles II

Closed Captioned Video: Desmos Geometry Exploration: Types of Angles II

In this video tutorial different types of angles are defined, including adjacent angles, complementary angles, supplementary angles, and

Definition of an Angle

### Closed Captioned Video: Geometry Applications: Angles and Planes

Closed Captioned Video: Geometry Applications: Angles and Planes

In this program we explore the properties of angles and planes. We do this in the context of two real-world applications.

Applications of Angles and Planes

### Closed Captioned Video: Geometry Applications: Angles and Planes, 1

Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 1: Introduction

The observatory in Arecibo, Puerto Rico provides astronomers insights into the structure of our solar system.

Applications of Angles and Planes

### Closed Captioned Video: Geometry Applications: Angles and Planes, 2

Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 2: Angles

Himeji castle in Japan is a marvel of architecture and a startling example of geometry and military science.

Applications of Angles and Planes

### Closed Captioned Video: Geometry Applications: Angles and Planes, 3

Closed Captioned Video: Geometry Applications: Angles and Planes, Segment 3: Planes

In the Canadian Rockies, the Burgess Shale fossils provide a window to prehistoric Earth.

Applications of Angles and Planes

### Definition--Angle Concepts--Acute Angle

Definition--Angle Concepts--Acute Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

Definition | Angle Concepts | Adjacent Angles

This is a collection of definitions related to Angles.

Definition of an Angle

### Definition--Angle Concepts--Alternate Exterior Angles

Definition--Angle Concepts--Alternate Exterior Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Alternate Interior Angles

Definition--Angle Concepts--Alternate Interior Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle

Definition--Angle Concepts--Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle Bisector

Definition--Angle Concepts--Angle Bisector

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle Measure

Definition--Angle Concepts--Angle Measure

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Angle Vertex

Definition--Angle Concepts--Angle Vertex

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Central Angle

Definition--Angle Concepts--Central Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Circumscribed Angle

Definition--Angle Concepts--Circumscribed Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Complementary Angle

Definition--Angle Concepts--Complementary Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Congruent Angles

Definition--Angle Concepts--Congruent Angles

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Corresponding Angles

Definition | Angle Concepts | Corresponding Angles

This is a collection of definitions related to Angles.

Definition of an Angle

### Definition--Angle Concepts--Exterior Angle

Definition--Angle Concepts--Exterior Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle

### Definition--Angle Concepts--Inscribed Angle

Definition--Angle Concepts--Inscribed Angle

This is a collection of definitions related to angles and related concepts.

Definition of an Angle