Worksheet
Curated OER

Geometry Assessment-"Chapter 2"

For Students 7th - 8th
In this geometry worksheet, students match terms with definitions, and complete short answer questions about polygons and congruency.
Lesson Plan
Curated OER

Distance and Functions

For Teachers 9th - 10th
Students calculate the distance using the distance formula. In this geometry lesson, students identify the distance a taxi cab travels. They relate distance to functions and relate it to the real world.
Lesson Plan
Curated OER

Aurora Borealis

For Teachers 6th - 8th
Young scholars discuss what causes the northern lights and the folklore attached to them. They discuss magnetic fields, and use various common materials to discover if ions conduct electricity.
Graphic
Oswego City School District

Regents Exam Prep Center: Length of a Line Segment (Distance)

For Students 9th - 10th Standards
Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.
Lesson Plan
Better Lesson

Better Lesson: Lines and Line Segments

For Teachers 2nd
A lesson to cover the standards about line segments. In 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.
eBook
Math Planet

Math Planet: Geometry: Measure Line Segments

For Students 9th - 10th Standards
Explores how to measure the length of a line segment through examples and a video lesson. [0:40]
Handout
Geometry Help

Geometry Help: Lines and Angles

For Students 9th - 10th Standards
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.
Unit Plan
Sophia Learning

Sophia: Measuring a Line Segment: Lesson 2

For Students 2nd - 5th Standards
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....
Unit Plan
Sophia Learning

Sophia: Measuring a Line Segment: Lesson 3

For Students 2nd - 5th Standards
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....
Unit Plan
Sophia Learning

Sophia: Measuring a Line Segment: Lesson 5

For Students 2nd - 5th Standards
This video lesson [1:15] will walk you through using a ruler to measure the distance between endpoints. It is 5 of 10 in the series titled "Measuring a Line Segment." CCSS.Math.Content.3.MD.B.4 Generate measurement data by measuring...
Activity
Texas Instruments

Texas Instruments: Perpendicular Bisector of a Line Segment

For Teachers 9th - 10th Standards
Students learn to draw a segment and its perpendicular bisector. They understand right angles and congruent segments. Students observe that changing the length or orientation of the segment changes the perpendicular bisector.
Unit Plan
Khan Academy

Khan Academy: Equation Practice With Segment Addition

For Students 7th - 8th
Given an information about the lengths of line segments, form and solve an equation in order to find the lengths of the segments. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unit Plan
Free Math Help

Free Math Help: Length of a Line Segment

For Students 9th - 10th Standards
The resource explains how to calculate the length of a line segment by working out an example.
Activity
Texas Instruments

Texas Instruments: Sail Problem (Parallel Lines & Segment Relationships)

For Teachers 9th - 10th
In this activity, students will explore the proportional relationships involved in multiple parallel lines being cut by transversals. These relationships are approached through exploration of a sail design problem, where students are to...
Unit Plan
CPALMS

Cpalms: Measure Up! Measuring to Make a Line Plot

For Teachers 3rd Standards
[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...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.g Congruent Segments

For Teachers 8th Standards
Eighth graders are shown two line segments that are the same length and must describe a sequence of reflections that exhibits a congruence between them. Aligns with 8.G.A.2.
Activity
Texas Instruments

Texas Instruments: Perpendicular Segments in a Circle

For Teachers 9th - 10th Standards
Students learn about chords of a circle. They draw a line perpendicular to the chord and passing through the center of the circle. They explore the lengths of the two segments of the chord. They investigate with a different chord and...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Dilating a Line

For Teachers 9th - 10th Standards
In this task, learners investigate a dilation of a line segment and how the length of the dilation relates to the scale factor. Aligns with G-SRT.A.1.
Activity
Khan Academy

Khan Academy: Rigid Body System

For Students 9th - 10th
In this activity students experiment with simulating hair with rigid line segments. They use the controls to change the number of hairs as well as the number and length of segments in each hair. Click and drag to the head to move it.
Website
PBS

Pbs Learning Media: Importance of the Origin

For Students 6th - 8th
The CyberSquad tries to rescue the Cyberchase Council, which is being held captive by Hacker in this video segment from Cyberchase.
Activity
Texas Instruments

Texas Instruments: Try Angle?

For Teachers 6th - 8th Standards
In this activity, students investigate properties of triangles by randomly generating possible side lengths for triangles. They learn to determine if three line segments can form a triangle. They also learn to classify triangles as...