Discuss how distance is the absolute value of the difference between two points on a line and how those two points define a segment of the line.


    Present the segment addition postulate.


    Provide examples that involve segments and their measures (ex. Points A, B, C, and D are collinear, in that order.  Find BC if AC = 2x + 4, BC = x, BD = 3x + 1, and AD = 17).


This packet should help a learner seeking to understand segments and their measures.

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Line Segments and Distance

This video explains the relationship between distance and line segments.

Source: RobertOB on Guaranteach

Line Segment Addition

This video explains how line segments are added. It also presents the line segment postulate: that if B is between A and C, then AB + BC = AC.

Source: RobertOB on Guaranteach

Practice Problems

This PowerPoint provides some practice problems for learners to test their understanding of the material.