# Ch 24: 6th-8th Grade Algebra: Writing & Solving One-Step Equations

### About This Chapter

## Writing & Solving One-Step Equations - Chapter Summary

Teach your 6th-8th grade students how to solve addition or subtraction word problems and equations through the online video lessons in the Writing and Solving One-Step Equations chapter. You can also show them techniques for finding solutions to division and multiplication equations or word problems. Test your students' understanding with the multiple-choice quizzes and examination.

## Chapter Lessons and Objectives

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

Inverse Operations in Math: Definition, Examples and Quiz | Students learn methods for applying inverse operations. |

Writing and Solving Addition Equations with One Variable | Instructors explain how students can solve one-variable addition equations. |

Writing and Solving Addition Word Problems with One Variable | In this lesson, students are taught to solve addition word problems, and they complete practice problems. |

Writing and Solving Subtraction Equations with One Variable | This lesson demonstrates how students can solve subtraction equations. |

Writing and Solving Subtraction Word Problems with One Variable | Instructors explain the steps for writing and solving subtraction word problems with one variable. |

Writing and Solving Multiplication Equations with One Variable | Instructors teach students to calculate the answers to multiplication equations. |

Writing and Solving Multiplication Word Problems with One Variable | The rules for solving multiplication word problems with one variable are explained. |

Writing and Solving Division Equations with One Variable | Students discover how to write and solve division equations in this lesson. |

Writing and Solving Division Word Problems with One Variable | Instructors explain how to solve division word problems with one variable, and students complete practice problems. |

How to Use Algebra Tiles to Model and Solve Equations | This lesson teaches students to model and solve equations with algebra tiles. |

### 1. Inverse Operations in Math: Definition & Examples

In mathematics, inverse operations are operations that 'undo' each other. Most operations have an inverse. This lesson describes the most common operations and their inverses, and it provides some examples and a quiz to cement your knowledge.

### 2. Writing & Solving Addition Equations with One Variable

After watching this video lesson, you will know how to properly write an addition equation and how to solve any addition equation that you come across. Learn what the steps are to solve these equations that have one variable in them.

### 3. Writing & Solving Addition Word Problems with One Variable

After watching this video lesson, you will be able to write and solve addition word problems. Learn how to read your word problem, write out the algebraic equation, and then solve it for the unknown variable.

### 4. Writing & Solving Subtraction Equations with One Variable

After watching this video lesson, you will know what is needed in order to write a subtraction equation. You will also know how to solve any subtraction equation that you are given or that you write.

### 5. Writing & Solving Subtraction Word Problems with One Variable

You will be able to solve subtraction word problems after watching this video lesson. Learn how to take your word problem from words into an algebraic expression that you can solve.

### 6. Writing & Solving Multiplication Equations with One Variable

After watching this video lesson, you will know the components that go into a complete multiplication equation. You will also learn the steps that are needed to solve a multiplication equation.

### 7. Writing & Solving Multiplication Word Problems with One Variable

After watching this video lesson, you should be able to take a multiplication word problem and translate it into an algebraic expression that you can solve. You will also learn how to solve these problems from the expressions that you write.

### 8. Writing & Solving Division Equations with One Variable

In this video lesson, you will learn the proper format of a division equation. Learn what components are needed for a complete division equation. Also learn what steps you need to take to solve these division equations.

### 9. Writing & Solving Division Word Problems with One Variable

After watching this video lesson, you should be able to solve word problems that involve the division operator. Learn how to write your math problem using an algebraic expression and then solve it.

### 10. How to Use Algebra Tiles to Model & Solve Equations

In this video lesson, we take a look at using algebra tiles to represent our numbers and variables. See how to use these to help model and solve equations.

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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 Two-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