Standard #: MA.3.GR.1.1


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Describe and draw points, lines, line segments, rays, intersecting lines, perpendicular lines and parallel lines. Identify these in two-dimensional figures.


Clarifications


Clarification 1: Instruction includes mathematical and real-world context for identifying points, lines, line segments, rays, intersecting lines, perpendicular lines and parallel lines.

Clarification 2: When working with perpendicular lines, right angles can be called square angles or square corners.



Related Courses

Course Number1111 Course Title222
5012050: Grade Three Mathematics (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current))
7712040: Access Mathematics Grade 3 (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2022, 2022 and beyond (current))
5012055: Grade 3 Accelerated Mathematics (Specifically in versions: 2019 - 2022, 2022 and beyond (current))
5012015: Foundational Skills in Mathematics 3-5 (Specifically in versions: 2019 - 2022, 2022 and beyond (current))


Related Access Points

Access Point Number Access Point Title
MA.3.GR.1.AP.1 Identify points, lines, line segments, perpendicular lines and parallel lines. Identify these in two-dimensional figures.


Related Resources

Formative Assessments

Name Description
Parallel and Perpendicular Sides

Students are asked to identify parallel and perpendicular sides and explain how they know.

Locating Points, Lines, and Rays

Students locate points, lines, line segments, and rays in a given diagram.

Lines, Rays, and Line Segments

Students are asked to draw parallel lines, perpendicular lines, a point, and a line segment. Students also explain how a line segment is different from a ray or line.

Lesson Plans

Name Description
Quadrilateral Quest

In this lesson, students categorize shapes identifying the attributes of quadrilaterals. 

Pretzel Quadrilaterals

This lesson helps students to realize that shapes have identifying attributes that define them. Students should also discover that a shape can have multiple names based on the definitions of that shape.

Snowflake Geometry: No Two Alike!

In this lesson students will make snowflakes, promoting creativity and self-expression, and use them to identify geometric terms. It also gives them an opportunity to follow a sequenced set of instructions for a given outcome.

Angles All Around Us

This is a lesson that introduces right, acute, obtuse, reflex, straight angles in a fun and challenging way.

Points, Lines, and Angles, Oh My!

In this lesson, students work to identify points, lines, line segments, rays, angles and perpendicular and parallel lines. Students create webs of yarn and analyze the web for geometric properties listed above. A teacher can select which vocabulary terms are appropriate for the class.

Building Blocks of Geometry

Students will be introduced to point, line, and plane, the building blocks of geometry, and use them to develop an understanding of new terms, including line segment,  intersecting lines, parallel lines and perpendicular lines. Students will participate in a Building Block Scavenger Hunt, using paper and pencil to draw examples of specified terms that they find outside of the math classroom. The students will compose a poster to display their images of the required terms.

Geometry, USA

Students will draw a town based on a set of given directions using the geometry terms (parallel, perpendicular, and intersecting lines). This activity is designed to be taught after the students having learned the meanings of the geometry terms and the ability to identify examples of each.

Original Student Tutorials

Name Description
Shape Surfing: Finding Parallel and Perpendicular Lines

Help a surfing crab learn how to find parallel and perpendicular sides in a variety of polygons as you complete this interactive tutorial!

The Geometry Super Heroes Save Mathopolis

Identify parallel lines and line segments, as well as perpendicular lines and line segments in two-dimensional figures by joining Parallel Man and Perpendicular Man as they help Mayor Mathematics save Mathopolis in this interactive tutorial.

Teaching Idea

Name Description
An Introduction To Quadrilaterals

This lesson is designed to introduce students to quadrilaterals and the terms and properties associated with quadrilaterals. This lesson provides links to discussions and activities related to quadrilaterals as well as suggested ways to integrate them into the lesson. Finally, the lesson provides links to follow-up lessons designed for use in succession with the current one.

Tutorials

Name Description
Parallel and Perpendicular Lines Introduced

This Khan Academy tutorial video defines and illustrates parallel and perpendicular lines.

Lines, Line segments and Rays

This video discusses the differences between lines, line segments and rays.

Student Resources

Original Student Tutorials

Name Description
Shape Surfing: Finding Parallel and Perpendicular Lines:

Help a surfing crab learn how to find parallel and perpendicular sides in a variety of polygons as you complete this interactive tutorial!

The Geometry Super Heroes Save Mathopolis:

Identify parallel lines and line segments, as well as perpendicular lines and line segments in two-dimensional figures by joining Parallel Man and Perpendicular Man as they help Mayor Mathematics save Mathopolis in this interactive tutorial.

Tutorials

Name Description
Parallel and Perpendicular Lines Introduced:

This Khan Academy tutorial video defines and illustrates parallel and perpendicular lines.

Lines, Line segments and Rays:

This video discusses the differences between lines, line segments and rays.



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