Lauren Fulton Math

Linear Equations Slope Intercept Mini Mystery 8th Grade Algebra Activity


This mystery makes a fun & engaging finding slope and y-intercept activity! This Low-Prep, Linear Equations Activity (with Digital & Printable versions) will have your students finding slope and y-intercepts from tables, graphs, equations, and word problems to figure out who among them is the ghost of Aunt Bertha!

Students become characters in the mystery story, where they are transported to a beautiful old home. Once they arrive, a ghost appears and they must solve linear equation problems to figure out who among them is the ghost!

The digital version of this activity is created in Google Slides and includes a full set of instructions for students and teachers.

This Product Includes

  • Murder Mystery Story PowerPoint
  • 2 Versions of Mystery Clue Sheet - One for 8th Grade & One for Algebra (Algebra version includes equations in standard form)
  • 35 Unique Suspect/Character Cards (Optional PDF to Print Suspect Cards as Name Badges on Avery 25395 Badges)
  • Full Answer Key & Set-Up Guide
  • Digital Version of Activity, Complete with Student & Teacher Instructions
  • Video Instructions for Teacher - How to Assign Through Google Classroom

    This product aligns to CCSS 8.EE.B.6 & HSF-LE.A.1a


    This is a good activity to use as a review after the lessons have been covered. It is a good change of pace from guided notes / review. - Amy W.
    My students loved this activty. It was easy to assign them, suspects, using the seat numbers. Students had so much fun solving the crime. - Necole A.