Dividing Line Segments

Grade 9Math45 min

aligned to Hs.g-gpe.b.6

Learning Objective

I can determine the coordinates of a point that divides a line segment into a given ratio.

Lesson Flow

Watch Video

5 min

How to partition a line at a point P into a ration of 1:3

Unknown Channel

Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

Point P divides the line segment AB in the ratio 1:4. If A is at (2, 3) and B is at (7, 8), what are the coordinates of point P? Show all work. Find the coordinates of point Q that partitions the line segment CD in a ratio of 2:3, where C is at (-1, 5) and D is at (4, 0). Show all work.

Teacher Guide

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  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts