Unit Plan
Cuemath

Cuemath: Lines

For Students 3rd - 8th Standards
Learn all about lines. This lesson targets what is a line and the different types. Check-out the interactive simulations to know more about the lesson and try your hand at solving a few interesting practice questions at the end of the page.
eBook
Mathigon

Mathigon: Geometry: Euclidean Geometry: Definitions

For Students 9th - 10th Standards
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.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.2 Angles and Lines

For Students 9th - 10th Standards
Explore lines and angles, and the relationship between the two.
Lesson Plan
Alabama Learning Exchange

Alex: Geometric Man

For Teachers 3rd - 5th Standards
The students will explore angles, rays, line segments, perpendicular lines, parallel lines, and two-dimensional figures through the use of the book Shape Up! Fun With Triangles and Other Polygons by David A. Adler. They will also...
Handout
Free Math Help

Free Math Help: Geometry Vocabulary

For Students 9th - 10th Standards
The tutorial examines basic geometry vocabulary. Definitions and examples of a point, line, line segment, ray, and plane are included.

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