Fourth Grade

Domain:  Geometry angles 

Teacher Notes/Fourth Grade Home

4.G.A.1       4.G.A.2       4.G.A.3

Essential Skills and Knowledge Teacher Resources Student Resources
4.G.A.1 Teacher Resources Student Resources

Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.

Smartboard Line Segments, Rays & Angles
This notebook reviews the vocabulary for this unit.

SmartboardGeometry Terminology Review
This notebook reviews key vocabulary.

SmartboardSmart ResponsePoints & Lines
This Smartboard Lesson introduces students to points and lines.

Lines and Angles
This video introduces students to points, lines, line segments, rays, and angles. The "Materials" tab includes a teacher guide and blackline masters that accompany the video lessons.
Note: Login to Discovery Streaming Education before selecting links.


LearnZillionGEOMETRY
In these LearnZillion video lesson, students will draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
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*Draw Point, Lines, & Line Segments
*Classify & Draw Various Types of Angles
*Draw Parallel & Perpendicular Lines
*Label & Name Points, Lines, Rays and Angles
*Identify Points, Lines, Rays, & Angles in 2-D Figures
Line Shoot
Students will engage in an interactive matching game to identify the types of lines.

Lines and Angles Math
Students will engage in an interactive matching bingo game to identify the different types of lines and angles.

Angles Practice
Students will engage in an interactive activity to identify

Space Math Geo
Students will identify two-dimensional figures by playing a matching game.

Geometry Baseball
Students will review and then play a game to identify two-dimensional geometric figures by playing a game of baseball.

Khan Academy
Students will be quizzed on their knowledge of drawing points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures. If students need more instruction, there are videos and hints available for help.
4.G.A.2 Teacher Resources Student Resources
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 angles.

Quadrilaterals
This Smartboard lesson introduces quadrilaterals and their attributes. It includes a Senteo Quiz.

Types of Triangles
This Smartboard lesson gives students practice identifying types of triangles.

Quadrilaterals
This video describes the different types of quadrilaterals there are their attributes. The "Materials" tab includes a teacher guide and blackline masters that accompany the video lessons.
Note: Login to Discovery Streaming Education before selecting links.

LearnZillionCLASSIFYING
In these LearnZillion video lessons, student will be able to classify two-dimensional figures by examining their properties.
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*Classify Two-Dimensional
*Classify Triangles
*Classify Right Angles
*Classify Various Quadrilaterals by Their Properties
*Classify Quadrilaterals by Their Sides
*Classify Parallelograms by Their Sides & Angles
Types of Polygons
Students will identify quadrilaterals using their attributes.

Toon Angles
Students will play a game to identify different types of angles.

Khan Academy
Students will be quizzed on their knowledge of classifying 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 angles.
4.G.A.3 Teacher Resources Student Resources
Recognize a line of symmetry for a two-dimensional figure as a line across the figures such that the figure can be folded along the line into matching parts. Identify line-symmetrical figures and draw lines of symmetry.

Symmetry
This SmartBoard lesson has students identify and draw lines of symmetry.

Line Symmetry
This is an online demonstration of lines of symmetry in basic shapes.

Geometry: Exploring Symmetry Common Core Lesson from Discovery
This is a lesson from Discovery that incorporates video to teacher the standard 4.G.A.3. It includes video links worksheets, student tasks, and teacher directions.
Note: Login to Discovery Streaming Education before selecting links.

Symmetry and Area
This video shows how to make symmetrical snowflakes and problem solves how many snowflakes are needed to cover a window.
Note: Login to Discovery Streaming Education before selecting links.



Symmetry with your Hands
This video show how to make symmetrical designs with your hands.
Note: Login to Discovery Streaming Education before selecting links.


LearnZillionSYMMETRY
In these LearnZillion video lessons, student will learn how to identify line symmetry in irregular polygons by folding the figure into matching parts.
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*Recognize Lines of Symmetry
*Identify Symmetry in Irregular Polygons
*Identify Symmetry in Regular Polygons
*Identify Symmetry in a Geometric Figure

Symmetry
Students will drag lines to show the line of symmetry for two-dimensional figures.

"Ask Hannah" Symmetry Quilts
Students will describe symmetry in two-dimensional shapes.

Khan Academy
Students will be quizzed on their knowledge of recognizing a line of symmetry for a two-dimensional figure as a line across the figures such that the figure can be folded along the line into matching parts. Identify line-symmetrical figures and draw lines of symmetry.

 Pixie Symmetry
Students will use the paint tool to identify lines of symmetry and create symmetrical designs.
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Teacher Notes

 

Website/Activity Content Standards/Technology Standards
Lines and Angles (DE)
Custom Line Plot
Lines and Angles Math
Angles Practice
Space Math Geo
Geometry Baseball
Khan Academy
Geometry: Lines and Angles Common Core Lesson from Discovery (DE)
Points & Lines
Line Segments, Rays & Angles
Common Core: 4.G1 Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
Technology Standard: 3.0-Technology for Learning and Collaboration: Students will use a variety of technologies for learning and collaboration.
Quadrilaterals (DE)
Types of polygons
Toon Angles
Khan Academy
Quadrilaterals (Smart response)
Geometry: Classifying Two-Dimensional Figures Common Core Lesson from Discovery (DE)
Common Core: 4.G.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.
Technology Standard: 3.0-Technology for Learning and Collaboration: Students will use a variety of technologies for learning and collaboration.
Symmetry Game
Symmetry
Ask Hannah Symmetry Quilts
Khan Academy
Symmetry with your Hands
Symmetry and Area
Geometry: Exploring Symmetry Common Core Lesson from Discovery (DE)
Line Symmetry
Symmetry

Common Core: 4.G.3 Recognize a line of symmetry for a twodimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.

Technology Standard:  3.0-Technology for Learning and Collaboration: Students will use a variety of technologies for learning and collaboration.

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Instructional Technology-August 2016