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Created 7/7/19. Updates available online.

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Adding and Subtracting Expressions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.



Title Adding and Subtracting Expressions
Description • CCSS.Math.Content.7.EE.A.1 Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. • CCSS.Math.Content.7.EE.A.2 Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related.
Subject Mathematics
Level Middle School
Type Guided Activity
Duration 60 minutes
Answers Included No
Language English
Keywords adding expressions, equivalent expressions, expressions, like terms, subtracting expressions
Simulation(s) Expression Exchange (HTML5)

Author(s) Amanda McGarry
Contact Email amanda.mcgarry@colorado.edu
School / Organization PhET
Date submitted 9/10/18
Date updated 9/10/18
English
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