Oswego City School District
Oswego City School: Midpoint Formula
Students are given methods with pictures to solve for the midpoint of a line segment.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Geo Gebra Prim (Conexiones Misteriosas)
Challenge yourself with this puzzle. Try to connect the dots of the same color with horizontal and vertical segments without leaving the grid and without crossing the lines.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Flecha
Can you make the second arrow the same size as the first? You will be surprised.
Math Planet
Math Planet: Pre Algebra: Geometry Fundamental Statements
Provides examples and a video lesson that introduce fundamental statements of geometry.
Khan Academy
Khan Academy: Identify Points, Lines, Line Segments, Rays, and Angles
Recognize rays, lines, and line segments in geometric figures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Lines, Line Segments, and Rays Review
Reviews the characteristics of lines, lines segments, and rays, and presents questions for additional practice. Questions include hints.
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. Students receive immediate feedback and have the opportunity...
Khan Academy
Khan Academy: Midpoint Formula
Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Draw Rays, Lines, & Line Segments
Draw rays, lines, and line segments with given points. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Geometry: Basic Geometric Definitions
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify points, rays, lines, and line segments. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Basic Geometric Definitions
[Free Registration/Login may be required to access all resource tools.] In this lesson students define and use geometric terms. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: 10.6 Points That Partition Line Segments
[Free Registration/Login may be required to access all resource tools.] Determine the formula for finding the coordinates of a point on a line segment.
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.
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.
Better Lesson
Better Lesson: Lines and Line Segments
A lesson to cover the standards about line segments. For this lesson, 2nd graders will measure and record the length of a line segment. Students will also compare lengths of a line but adding and subtracting line segments.
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: 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: Medians of a Triangle
Learn about the medians of a triangle with this helpful reference tool. Provides a detailed definition and internet activities that enhance further explanation. Includes links to related topics.
Homeschool Math
Homeschool Math: Lines, Rays, and Angles
This fourth-grade geometry lesson teaches the definitions for a line, ray, angle, acute angle, right angle, and obtuse angle. We also study how the size of the angle is ONLY determined by how much it has "opened" as compared to the whole...
Cuemath
Cuemath: Line Segment
In this lesson, you will learn about the various types of lines, line segments, rays, the line segment symbol, and line segment examples. Check out the interactive examples and try your hand at solving a few interesting practice...
CK-12 Foundation
Ck 12: Interactive Geometry: 10.6 Points That Partition Line Segments
Understand points that partition line segments.
Geometry Help
Geometry Help: Lines and Angles
Explains the basic concept of lines and angles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Free Math Help
Free Math Help: Geometry Vocabulary
The tutorial examines basic geometry vocabulary. Definitions and examples of a point, line, line segment, ray, and plane are included.