Interactive
Mocomi & Anibrain Digital Technologies

Mocomi: Lines and Angles

For Students 2nd - 8th Standards
Provides details about the properties of straight lines, types of straight lines, line segments, rays, curved lines, and types of angles.
Lesson Plan
Homeschool Math

Homeschool Math: Lines, Rays, and Angles

For Teachers 4th - 5th Standards
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...
Unit Plan
Cuemath

Cuemath: Perpendicular Bisectors

For Students 9th - 10th Standards
Provides a definition and examples of perpendicular bisectors.

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