Skip to Main Content
PhET Home Page
University of Colorado
Created 8/25/19. Updates available online.

Browse Activities

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



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
English
©2019 University of Colorado.
Some rights reserved.