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


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Title Algebraic Expressions
Description This activity addresses the following CCSS in a 2-day activity: • 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. It aligns with GoMath Lesson 6.1 for grade 7.
Subject Mathematics
Level Middle School
Type Guided Activity
Duration 120 minutes
Answers Included No
Language English
Keywords adding expressions, distribution, factoring expressions
Simulation(s) Area Model Algebra (HTML5), Expression Exchange (HTML5)


Author(s) Amanda McGarry
Contact Email amanda.mcgarry@colorado.edu
School / Organization PhET
Date submitted 18/09/07
Date updated 18/09/10