Lesson Plan
Cuemath

Cuemath: Line Segment

For Students 4th - 6th
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...
Unit Plan
Sophia Learning

Sophia: Measuring a Line Segment: Lesson 1

For Students 2nd - 5th Standards
This video lesson [3:59] will walk you through using a ruler to measure the distance between endpoints. It is 1 of 10 in the series titled "Measuring a Line Segment." Students can answer review questions to assess their understanding of...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Angle Bisection and Midpoints of Line Segments

For Teachers 9th - 10th Standards
This task provides a construction of the angle bisector of an angle by reducing it to the bisection of an angle to finding the midpoint of a line segment. Aligns with G-CO.D.12.
Activity
Analyze Math

Analyze Math: Reflection Across a Line

For Students 9th - 10th Standards
Reflect any point, line segment, triangle, or any other figure over one or two lines using this dynamic applet. Points and lines are entered by point-and-click rather than by typing equations or ordered pairs. A very neat exercise to...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Co Points Equidistant From Two Points in the Plane

For Teachers 9th - 10th Standards
In this task, students are shown a line segment that is bisected at a right angle by a second line. They are asked to prove statements about this geometric construction. Includes a GeoGebra worksheet that can be used by the instructor to...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Scaling a Triangle in the Coordinate Plane

For Teachers 9th - 10th Standards
The goal of this task is to apply dilations to a triangle in the coordinate plane. Students will need to find the coordinates of a point which cuts a given segment into one third and into two thirds. The two dilated triangles share a...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Reflections, Rotations, and Translations

For Teachers 8th Standards
This task uses GeoGebra software, which can be freely downloaded, to explore what happens to the line segments and angles of a triangle when it is reflected, rotated, and translated. Includes printable task sheet for students and a...
Handout
University of Toronto (Canada)

University of Toronto: Why the Midpoint Formula Works

For Students 9th - 10th Standards
A written proof that shows how the midpoint formula works.
Lesson Plan
Rock and Roll Hall of Fame

Rock & Roll Hall of Fame: Understanding Poetry of Maya Angelou Through Rap Lyric

For Teachers 9th - 10th
By examining the lives and lyrics of popular, positive black female rappers such as Queen Latifah and Lauryn Hill, students can trace a direct line back to the inspirational writer and poet, Maya Angelou. Rap lyrics will help explicate...

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