Education Technology

Christmas Tree and Lights

Activity Overview

In this activity students plot a set of points that form the outline of a Christmas tree. Extension options include making the tree bushier, adding lights, blinking lights and more. 


The context is designed to motivate students to be creative and learn about plotting points on the Cartesian plane, at the same time, develop their skills in using TI-Nspire technology.  


  • Plot
  • Coordinates
  • Conditional formatting

About the Lesson

Students are provided with a set of points that forms the outline of a Christmas tree. From there students can add a star to the top of the tree, add ornaments, flashing Christmas lights and more. The purpose of the activity is to provide an enjoyable context for students to think about coordinates and plot points.