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Fireplace Variables

Use variables to code Root to glow and flicker different colors like a flame in a fireplace.

  • Subjects
  • Coding
  • Duration
  • 10-15 minutes
  • Compatible Robots
  • Root SimBot
  • Root rt0 Coding Robot
  • Root rt1 Coding Robot
  • Group Size
  • Individual
  • Small Groups (2-4)
  • Experience Level
  • Grades 3-5
  • Grades 6-9
  • Things You'll Need
  • iRobot Coding platform
Educational Standards

CSTA K-12 CS Standards


Create programs that include sequences, events, loops, and conditionals.


Decompose (break down) problems into smaller, manageable subproblems to facilitate the program development process.


Modify, remix, or incorporate portions of an existing program into one's own work, to develop something new or add more advanced features.


Test and debug (identify and fix errors) a program or algorithm to ensure it runs as intended.


Create clearly named variables that represent different data types and perform operations on their values.