Texas Instruments
Texas Instruments: Betweenness and the Sum of Parts
In this activity, students will explore the concepts of betweenness and the sum of parts visually, geometrically, and numerically for segments and angles using the Cabri Jr. application. They will investigate how the sum of parts equals...
ClassFlow
Class Flow: Collinearity, Betweenness, and Assumptions
[Free Registration/Login Required] This flipchart is aligned with the book Geometry for the Enjoyment and Challenge. This lesson is collinearity, betweenness, and assumptions to help in the development of the study of proofs.