Curated OER
If-Then Statements and Postulates
In this if-then statements and postulates worksheet, 10th graders solve 16 various types of geometry problems that include identifying the hypothesis and conclusions of each conditional statement. Then, they write each conditional...
Curated OER
Self Check Practice
In this planes worksheet, students solve 5 multiple choice problems. Kids determine which planes intersecting create a given line. Students determine which point is coplanar with three other ones.
CK-12 Foundation
Ck 12: Volume of Pyramids: Collinear Constellations
[Free Registration/Login Required] Students explore basic geometric definitions by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
Math Is Fun
Math Is Fun: Collinear Points
The site contains a description of collinear points and an interactive picture of Collinear points and how they work.
Illustrative Mathematics
Illustrative Mathematics: A rei.d.10: Collinear Points
This task leads students through a series of problems which illustrate a crucial interplay between algebra and geometry. Aligns with A-REI.D.10.
Math Open Reference
Math Open Reference: Points and Lines
A complete reference guide to points, lines, and planes. It provides definitions and interactive activities that enhance further explanation.
Wolfram Research
Wolfram Math World: Collinear
This MathWorld site explains what it means to be collinear, and explains a test to see if three points are collinear using ratios of distances of the points' parts. The site also gives another method of determining collinearity between...
ClassFlow
Class Flow: Braun Chapter
[Free Registration/Login Required] This is a brief discussion between teacher and student using geometrical graphics to explore vocabulary. Vertical angles, linear angles, consecutive points, and collinear points are highlighted.
Math Open Reference
Math Open Reference: Collinear Points
Learn about collinear points with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.