Atomic Addition A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title Atomic Addition
Description Using protons and electrons, students discover the rules for adding integers.
Subject Mathematics
Level Middle School
Type Discussion Prompts, Guided Activity
Duration 30 minutes
Answers Included No
Language English
Keywords integers, negative, positive, sum
Simulation(s) Build an Atom (HTML5), Build an Atom


Author(s) Mary Burr
Contact Email mary.burr2@gmail.com
School / Organization FSUS
Date submitted 8/5/15
Date updated 8/5/15