# Ch 25: 6th-8th Grade Algebra: Writing & Solving Two-Step Equations

### About This Chapter

## Writing and Solving Two-Step Equations - Chapter Summary

The online video lessons in this Writing and Solving Two-Step Equations chapter were created to teach your 6th-8th grade students to calculate the answers to equations and word problems that have multiple variables. The video lessons cover the rules for the addition, subtraction, multiplication and division of word problems and equations. A chapter examination can gauge your students' retention of these algebraic principles.

## Chapter Lessons and Objectives

Lesson | Objective |
---|---|

Solving Addition Equations with Two or More Variables | Teachers provide the rules for writing addition equations that have two or more variables. |

Solving Addition Word Problems with Two or More Variables | Students learn to calculate addition word problems in this lesson. |

Solving Subtraction Equations with Two or More Variables | In this lesson, students learn to solve and write subtraction equations, and they complete practice problems. |

Solving Subtraction Word Problems with Two or More Variables | The rules for solving subtraction word problems are explained in this lesson. |

Solving Multiplication Equations with Two or More Variables | Teachers show students how to solve and write multiplication equations. |

Solving Multiplication Word Problems with Two or More Variables | Students solve multiplication word problems with multiple variables, and they complete practice problems. |

Solving Division Equations with Two or More Variables | Instructors explain the steps for solving division equations in this lesson. |

Solving Division Word Problems with Two or More Variables | This lesson teaches students to write and solve division word problems with multiple variables. |

### 1. Solving Addition Equations with Two or More Variables

After watching this video lesson, you will know how to set up and solve addition problems where you have two or more variables. You will learn what steps you need to take to solve for each variable.

### 2. Solving Addition Word Problems with Two or More Variables

After watching this video lesson, you will learn how to solve addition word problems that involve two or more variables. Learn what it takes to come up with your equations, how many equations you need, and how to solve them.

### 3. Solving Subtraction Equations with Two or More Variables

After watching this lesson, you'll be able to solve subtraction problems that involve more than one variable and more than one equation. Learn what steps you need to take and how to work with your equations.

### 4. Solving Subtraction Word Problems with Two or More Variables

Watch this video lesson to learn how you can solve word problems that involve the subtraction operation and more than one unknown value. Learn how many equations you will need to create and how to solve them.

### 5. Solving Multiplication Equations with Two or More Variables

After watching this video lesson, you should be able to solve multiplication problems with more than one variable. Learn how many equations you will need to solve your problem. Learn how the number of variables determines the number of equations.

### 6. Solving Multiplication Word Problems with Two or More Variables

After viewing this video lesson on how to solve multiplication word problems, you will know how many equations you need to work with for each problem as well as how to solve them. You will also have a chance to practice what you learned with a quiz.

### 7. Solving Division Equations with Two or More Variables

After watching this video lesson, you will be able to solve division problems with more than one variable. Learn how many equations are needed to solve your problem depending on the number of variables you have.

### 8. Solving Division Word Problems with Two or More Variables

Watch this video lesson to learn how you can solve division word problems that involve more than one variable. Learn how many equations you need to be able to solve your problem.

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### Other Chapters

Other chapters within the 6th-8th Grade Math: Practice & Review course

- 6th-8th Grade Math: Basic Arithmetic Operations
- 6th-8th Grade Math: Divisibility
- 6th-8th Grade Math: Properties of Numbers
- 6th-8th Grade Math: Number Theory
- 6th-8th Grade Math: Factoring
- 6th-8th Grade Math: Estimating & Rounding
- 6th-8th Grade Math: Whole Numbers
- 6th-8th Grade Math: Simplifying Whole Number Expressions
- 6th-8th Grade Math: Negative Numbers
- 6th-8th Grade Math: Absolute Value
- 6th-8th Grade Math: Integers
- 6th-8th Grade Math: Rational Numbers
- 6th-8th Grade Math: Inequalities
- 6th-8th Grade Math: Introduction to Decimals
- 6th-8th Grade Math: Operations with Decimals
- 6th-8th Grade Math: Introduction to Fractions
- 6th-8th Grade Math: Operations with Fractions
- 6th-8th Grade Math: Percents
- 6th-8th Grade Math: Exponents & Exponential Expressions
- 6th-8th Grade Math: Roots & Radical Expressions
- 6th-8th Grade Algebra: Writing Algebraic Expressions
- 6th-8th Grade Algebra: Basic Algebraic Expressions
- 6th-8th Grade Algebra: Algebraic Distribution
- 6th-8th Grade Algebra: Writing & Solving One-Step Equations
- 6th-8th Grade Algebra: Simplifying & Solving Rational Expressions
- 6th-8th Grade Math: The Coordinate Graph
- 6th-8th Grade Algebra: Linear Equations
- 6th-8th Grade Algebra: Systems of Linear Equations
- 6th-8th Grade Math: Properties of Functions
- 6th-8th Grade Math: Graphing Functions
- 6th-8th Grade Math: Solving Math Word Problems
- 6th-8th Grade Measurement: Perimeter & Area
- 6th-8th Grade Geometry: Introduction to Geometric Figures
- 6th-8th Grade Geometry: Angles
- 6th-8th Grade Measurement: Units of Measurement
- 6th-8th Grade Geometry: Triangles
- 6th-8th Grade Geometry: Quadrilaterals
- 6th-8th Grade Geometry: Circles
- 6th-8th Grade Geometry: Circular Arcs & Measurement
- 6th-8th Grade Geometry: Polyhedrons & Geometric Solids
- 6th-8th Grade Geometry: Symmetry, Similarity & Congruence
- 6th-8th Grade Geometry: Transformations
- 6th-8th Grade Geometry: Triangle Theorems & Proofs
- 6th-8th Grade Geometry: Similar Polygons
- 6th-8th Grade Geometry: The Pythagorean Theorem
- 6th-8th Grade Math: Data & Graphs
- 6th-8th Grade Math: Probability
- 6th-8th Grade Math: Statistics
- 6th-8th Grade Math: Rates, Ratios & Proportions
- 6th-8th Grade Math: Money
- 6th-8th Grade Math: Consumer Math
- 6th-8th Grade Math: Number Sequences
- 6th-8th Grade Math: Sets
- 6th-8th Grade Algebra: Monomials & Polynomials