Dividing Line Segments

Free to teach as-is — the teacher guide, student handout, and slides are included.

Free — we'll email you an access link. Google Docs format.

Objective

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

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Explain the difference between a "part-to-part" ratio and a "part-to-whole" ratio when partitioning a line segment. Which type of ratio (k) is used in the formula provided in the video?

2

Given points A(1, 5) and B(7, -1), find the coordinates of point P that partitions the line segment AB in a ratio of 1:2.

Part 3 of 3

Exit ticket

Quick comprehension check

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.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

    Ready to present

We'll ask for your email to send your access link — nothing else.

Teaching a group at a different level?

Where are your students right now? We'll rebuild this lesson to match — including the teacher guide, student handout, and slides, saved to your Google Drive.

Adapt This Lesson