# Two-Step Equations and Properties of Equality

## Maintain balance of an equation while solving using addition, subtraction, multiplication, or division.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Two-Step Equations and Properties of Equality

by CK-12 //at grade
Solve equations that require two operations to isolate the variable.
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• PLIX

## T-Shirt Equation

by CK-12 //at grade
Two-Step Equations and Properties of Equality Interactive
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• Video

## Solve Two-Step Equations: A Sample Application

by CK-12 //at grade
This video demonstrates a sample use of solving two-step equations.
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• Video

## Solve Two-Step Equations: An Explanation of the Concept

by CK-12 //at grade
This video provides an explanation of the concept of solving two-step equations.
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• Video

## Solving Two Steps Equation

by CK-12 //at grade
Video demonstration on solving two-steps equations.
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• Critical Thinking

## Two-Step Equations and Properties of Equality Discussion Questions

by CK-12 //at grade
A list of student-submitted discussion questions for Two-Step Equations and Properties of Equality.
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• Real World Application

## Taking Temperatures

by CK-12 //at grade
Find out why 30 degrees in the United States does not feel the same as 30 degrees in Italy.
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