CK-12 Foundation
Ck 12: Vectors as Directed Line Segments
[Free Registration/Login may be required to access all resource tools.] Resources for learning about vectors as directed line segments.
CK-12 Foundation
Ck 12: Interactive Geometry: 10.6 Points That Partition Line Segments
Understand points that partition line segments.
CK-12 Foundation
Ck 12: Interactive Geometry: 5.2 Bisectors of Line Segments and Angles
Learn how to construct bisectors of line segments and angles.
Sophia Learning
Sophia: Measuring a Line Segment: Lesson 2
This video lesson [2:15] will walk you through using a ruler to measure the distance between endpoints. It is 2 of 10 in the series titled "Measuring a Line Segment." Students can take a short review quiz when finished....
Sophia Learning
Sophia: Measuring a Line Segment: Lesson 3
This video lesson [1:04] will walk you through using a ruler to measure the distance between endpoints. It is 3 of 10 in the series titled "Measuring a Line Segment." Students can answer review questions when finished....
Shodor Education Foundation
Shodor Interactivate: Lesson: Lines, Rays, Line Segments, & Planes
This robust lesson plan for upper elementary and middle school grades introduces the concepts for lines, rays, line segments, and planes. Resources are linked to it and ready for your use.
Math Open Reference
Math Open Reference: Line Segment
Learn about line segments with this useful reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Congruent Line Segments
Learn about congruent line segments with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Midpoint of a Line Segment
Learn about the midpoint of a line segment with this helpful reference tool. Provides a detailed definition and an interactive activity that enhance further explanation. Includes links to related topics.
Khan Academy
Khan Academy: Divide Line Segments
Figure out the coordinates of a point between two other points that give a certain ratio. For example, find a point C so that it is two thirds of the way between point A and B.
CPALMS
Cpalms: Measure Up! Measuring to Make a Line Plot
[Free Registration/Login Required] In this lesson, students will generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch and show the data by making a line plot. This lesson includes an...
CK-12 Foundation
Ck 12: Geometry: Segments Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews how to measure the distance between two points and the Ruler Postulate. It also introduces congruency/congruent segments and midpoint.
Better Lesson
Better Lesson: Shapes and Lines Assessment
Second graders need to share their understandings of lines, line segments, shapes and attributes.
Mr. Martini's Classroom
Mr. Martini's Classroom: Basic Geometry: Points, Lines, and Angles
Students can review basic geometric terms using these self-check, multiple choice questions. Three levels of questions are provided.
Mathigon
Mathigon: Geometry: Euclidean Geometry: Definitions
This lesson focuses on Euclidean Geometry terminology; such as line, point, line segment, congruence, circle, radius, ray, and more. It defines each term and provides an example of each.
PBS
Pbs Learning Media: Patterns in Nature
In this video segment [3:25] from Cyberchase, a plant expert shows Bianca the patterns and symmetry found in nature.
Math Planet
Math Planet: Pre Algebra: Geometry Fundamental Statements
Provides examples and a video lesson that introduce fundamental statements of geometry.
Oswego City School District
Regents Exam Prep Center: Midpoint of a Line Segment
Examples for using the midpoint formula are given at this site.
PBS
Pbs Learning Media: The Impact of Technology: Cars
This video segment adapted from A Science Odyssey looks at the invention of the automobile and the development of mass production. [4:21]
PBS
Pbs Learning Media: Seven Selfish Shellfish
This video segment from Between the Lions features a classic tongue twister: a type of wordplay that helps children tune their ears to language and the sounds within words. [0:29]
Math Open Reference
Math Open Reference: Perpendicular Bisector
Learn about the perpendicular bisector with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation.
Math Open Reference
Math Open Reference: Diagonals of a Rectangle
Learn about the diagonals of a rectangle with this helpful reference tool. Provides a detailed definition, examples, and interactive activities that enhance further explanation. Includes links to related topics.
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