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Interactive
PHET

Equality Explorer

For Students 6th - 12th Standards
Find the right balance between concrete and abstract thinking. After using interactive balances to explore inverse operations, learners solve multi-step equations with variables on both sides. Of course, they can still use the...
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Worksheet
Curated OER

Multi-Step Equations

For Students 7th - 9th
In this multi-step equation learning exercise, students solve algebraic equations with variables on both sides. They simplify the equation by collecting like terms and then solve for the unknown. This two-page learning exercise contains...
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Lesson Plan
Curated OER

Simplifying Both Sides By Combining Like Terms, then Solving

For Teachers 9th - 11th
Students solve equations with variable on both sides of the equal sign. For this algebra lesson, students combine like terms using opposite signs. They solve for the desired variable using addition, multiplication, division and...
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Worksheet
Curated OER

One Variable Word Problems

For Students 6th - 8th
Here is a one-variable word problems worksheet in which learners complete word problems dealing with all four operations and one variable. They complete a total of 18 problems.
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Lesson Plan
Curated OER

Isolating the Variable

For Teachers 9th
Ninth graders investigate how to solve equations with the variable present on both sides. They practice isolating the variable and combining like terms before solving the equation for the variable.
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PPT
BW Walch

Solving Linear Inequalities in Two Variables

For Teachers 9th - 10th Standards
Although graphing a linear inequality on the plane is but a few steps added onto the graphing of a linear equation, for many learners the logical leap is quite intimidating. This approachable PowerPoint presentation breaks graphing...
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Lesson Plan
Curated OER

Biodiversity Debate - Stream Side Science

For Teachers 7th - 9th
Role play community members who are both for and against the construction of a dam. Research the pros and cons and then hold a classroom debate. This activity ideally follows a series of stream studies, links to which are included. Use...
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Lesson Plan
Curated OER

Solve Me - Multi-Step Equations

For Teachers 8th - 9th
Students explore multi-step equations. In this pre-algebra/algebra I instructional activity, students use the TI-nspire computer algebra system to check the steps they used to solve multi-step equations and equations with variables on...
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Worksheet
Curated OER

Solving Multi-Step Inequalities

For Students 9th - 11th
For this inequalities worksheet, learners solve inequalities.  They graph solutions on  a number line.  Students solve problems by combining like terms, and using the distributive property.  Variables appear on both sides of the...
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Worksheet
Curated OER

Bingo - Solving Equations

For Students 9th - 10th
In this solving equations worksheet, students simplify equations containing fractions and variables on both sides and then solve for the unknown. This two-page worksheet contains 25 multi-step problems.
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Lesson Plan
Curated OER

Solving Single-Variable Equations Part II, Simplifying

For Teachers 7th
Seventh graders explore the concept of solving single-variable equations. In this solving single-variable equations lesson, 7th graders discuss how to simplify both sides of an equation. Students discuss using parenthesis and the...
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Worksheet
Curated OER

Solving Linear Equations

For Students 8th - 9th
In this linear equations worksheet, learners solve and complete 20 different problems that include using the order of operations. First, they distribute to remove the parentheses and combine like terms. Then, students move variables and...
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Lesson Plan
Curated OER

Practice Solving Equations

For Teachers 9th - 12th
Learners practice solving equations. In this algebra lesson plan, students solve a variety of linear equations using addition, subtraction, multiplication, inverse and division. They solve equations with more than one step and equations...
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Worksheet
Curated OER

Solving Equations

For Students 9th
In this Algebra I worksheet, 9th graders solve multi-step equations with variable and constants on both sides of the equal sign.  The equations have non-integer solutions.  The five page worksheet contains fifty problems.  Answers are...
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Lesson Plan
Illustrative Mathematics

Growing Coffee

For Teachers 9th - 12th Standards
Ask your algebra learners to write an equation that has unit constraints. This commentary talks about the constraints, but does not show them in the equation. It is important that your mathematicians understand that the units apply to...
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Lesson Plan
Curated OER

Manipulating Multi-step Equations (Grade 8)

For Teachers 9th
Ninth graders solve multi-step equations.  In this Algebra I lesson, watch a video on solving equations with variables on both sides of the equal sign.  Students visit an Internet site to solve simple equations through the use of a...
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Lesson Plan
Curated OER

That's Predictable - Stream Side Science

For Teachers 7th - 10th
Research the impact that changes in biotic or abiotic factors might have on an ecosystem. Debate for or against the changes and take action in the community. This resource ideally follows stream studies that young ecologists may have...
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Lesson Plan
Curated OER

Solving Equations in One Variable

For Teachers 11th - Higher Ed
In this solving equations in one variable worksheet, students solve 38 simple and complex equations. Students then write and solve equations for 6 word problems.
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Worksheet
Curated OER

Solving Inequalities

For Students 8th - 11th Standards
This is a nice worksheet on solving one variable and compound inequalities. Learners solve inequalities and graph the solution on a number line.  The two page worksheet contains explanation and sixteen practice problems. 
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Lesson Plan
Curated OER

Simplifying Expressions (Addition and Subtraction)

For Teachers 7th
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
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Lesson Plan
Curated OER

Developing the Concept: Percents

For Teachers 5th - 7th
In this percents lesson, learners review how to solve a multiplication equation where they must solve for a variable. They solve equations with missing numbers and percents.
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Worksheet
Curated OER

Section 2.1 & 2.2 Solving Equations

For Students 7th - 10th
This two page worksheet contains 32 problems to solve. There are examples given for each set of problems. The first set is to work on adding or subtracting a term to get the variable by itself. The second set is about dividing both sides...
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Worksheet
Lorain County Community College

Solving Linear Equations in One Variable

For Students 7th - 10th Standards
Multiple-step problems don't have to equal tough problems. This worksheet provides a list of steps needed to go through multi-step equations that include combining like terms and distributing. With ten problems total, your learners will...
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PPT
BW Walch

Solving Exponential Equations

For Teachers 9th - 10th Standards
Introducing exponential equations means learners need to take all the rules and tricks they learned for exponents and actually apply them. This presentation comes to the rescue by touching on changing bases in exponential equations after...