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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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eBook
Ed Migliore

Linear Equations in Two Variables

For Students 7th - 9th Standards
This traditional textbook style unit includes vocabulary, a direct explanation section, examples, practice problems that directly line up with the explanations and examples, and a unit summary review and practice problems. Learners get...
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PPT
Curated OER

One Step Equations: Add, Subtract, Multiply, Divide

For Teachers 7th - 9th
One step equations involving addition, subtraction, multiplication and subtraction.  Step by step methods of how to solve these equations and has practice problems for each operation.  Answers are provided.  As a bonus, there is a set of...
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Activity
1
1
Illustrative Mathematics

Kimi and Jordan

For Teachers 7th - 9th Standards
A single activity gets your math class to solve a word problem using two linear equations and two variables. They compare the summer earnings of Kimi and Jordan and then graph the solutions to determine who will save the most money in a...
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Unit Plan
EngageNY

Relationships Between Quantities and Reasoning with Equations and Their Graphs

For Teachers 6th - 10th Standards
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
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Interactive
CK-12 Foundation

Systems of Linear Equations in Three Variables: Intersecting Planes - No Solution

For Students 9th - 12th
How many different ways can three planes intersect? The interactive provides three movable planes. Pupils manipulate the planes to determine the number of solutions possible based upon their intersections.
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Lesson Plan
Curated OER

Solving Equations Using Two Operations

For Teachers 5th - 7th
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results. 
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Worksheet
Curated OER

Linear Functions of Two Variables

For Students 11th - Higher Ed
In this linear function worksheet, students write linear functions, in intercept form, that satisfy given conditions. They find the local linearity for a function. This five-page worksheet contains examples, explanations, and six...
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Lesson Plan
EngageNY

Every Line is a Graph of a Linear Equation

For Teachers 8th Standards
Challenge the class to determine the equation of a line. The 21st part in a 33-part series begins with a proof that every line is a graph of a linear equation. Pupils use that information to find the slope-intercept form of the equation...
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Worksheet
Curated OER

Solving Two-Step Equations

For Students 7th - 9th
In this two-step equations worksheet, students simplify given equations. They solve for the unknown. This two-page worksheet contains 15 problems. Answers are provided on the last page.
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Worksheet
Curated OER

Two-Step Equations

For Students 7th - 9th
In this two-step equation learning exercise, students solve algebraic equations containing one-variable. This two-page learning exercise contains 24 problems. Answers are provided on the last page.
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Lesson Plan
Virginia Department of Education

Equations

For Teachers 7th Standards
Science equipment can be handy for math class, too. Scholars learn to solve one- and two-step linear equations by using the concept of a balance. They solve real-world problems in a variety of contexts by writing and solving linear...
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PPT
BW Walch

Creating Linear Equations in One Variable

For Teachers 9th - 10th Standards
The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....
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Worksheet
Curated OER

Algebra 1 - Worksheet Eq1: Solving One Variable Equations

For Students 8th - 11th
In this solving one variable equations worksheet, students solve 30 equations and word problems. Students write and solve one variable equations given a word problem.  Students solve each equation by simplifying like terms.
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Worksheet
Curated OER

Graphing Inequalities in Two Variables

For Students 7th - 10th Standards
This study guide is a great resource to help you present the steps to graphing linear inequalities. Show your class two different ways to graph an inequality and work on a real-world example together. The document could also be easily...
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Lesson Plan
1
1
Mathematics Assessment Project

Solving Linear Equations in One Variable

For Teachers 7th - 9th Standards
A thorough and professional appearance characterizes a lesson plan on linear equations. Maturing mathematicians are taught to identify and exemplify linear equations with a single variable. They also classify equations according to the...
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Worksheet
Curated OER

Linear Inequalities in Two Variables

For Students 9th - 12th Standards
Use this worksheet as a warm up, a refresher exercise, or a practice after a more detailed lesson on graphing linear inequalities in two variables. Start with boundaries that are horizontal or vertical, then move into graphs with...
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Lesson Plan
Illustrative Mathematics

Equations and Formulas

For Teachers 8th - 12th Standards
Your class is asked to use inverse operations to solve eleven equations for unknown variables or to rearrange formulas to highlight a quantity of interest. By using the same reasoning as solving one- and two-step equations, algebra...
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Assessment
1
1
Illustrative Mathematics

Solving Two Equations in Two Unknowns

For Students 8th - 10th Standards
More than just a one-problem resource, learners must explain their answer and incorporate a writing component to mathematical thinking. The resource also includes an explanation of the solution to help with the reasoning. 
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Lesson Plan
Illustrative Mathematics

Sore Throats, Variation 2

For Teachers 6th - 8th Standards
What does math have to do with a sore throat? When you mix water and salt you have a great review of how to represent proportional relationships by an equation or graph. Here the proportions of the mixtures may be different, but the...
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Worksheet
Curated OER

Homework: Writing Two-Step Equations

For Students 7th - 9th
In this writing two-step equations worksheet, students translate word sentences into algebraic problems. Afterward, they use algebra to solve two-step equations containing one variable. This one-page worksheet contains two examples 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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Worksheet
Curated OER

Math Regents Exam: Solving for a Variable in Terms of Another Variable

For Students 9th - 12th
In this literal equations learning exercise, students solve 7 equations for a specified variable.  Students solve two variable equations for one variable in terms of the other.
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Lesson Plan
Willow Tree

Solving Equations and Inequalities with Absolute Value

For Students 8th - 11th Standards
The concept of absolute value can be difficult for learners to grasp. Reinforce their understanding of a basic absolute value expression and connect it to solving equations and inequalities. Scholars write two equations/inequalities to...