# Ch 28: NES Middle Grades Math: Two-Step Equations

### About This Chapter

## NES Middle Grades Math: Two-Step Equations - Chapter Summary

Watch our professional instructors in this series of lessons videos as they discuss the procedures used to solve math questions with multiple variables. Prior to taking the NES Middle Grades Mathematics exam, use this chapter to improve your skills in the following areas:

- Addition equations and word problems using multiple variables
- Subtraction equations and word problems with two or more variables
- Multiplication equations and word problems with more than one variable
- Division equations and word problems using two or more variables

As a way of getting the most out of the lessons, read through the transcripts as you listen to the narrator or watch the animated videos. The chapter includes several quizzes as well as a chapter exam that will determine your level of understanding.

### NES Middle Grades Math: Two-Step Equations Objectives

The NES Middle Grades Mathematics exam measures individuals' mathematical skills before they are granted certification. This computer-based exam is composed of 150 multiple-choice questions that you will be given four hours and 15 minutes to complete. The Algebra and Functions segment of the exam will present you with 33% of the overall questions. You can use this chapter to improve your chances of doing well on these questions by improving your ability to solve two-step equations 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 NES Middle Grades Mathematics (203): Practice & Study Guide course

- NES Middle Grades Math: Basic Arithmetic Operations
- NES Middle Grades Math: Solving Word Problems
- NES Middle Grades Math: Properties of Numbers
- NES Middle Grades Math: Estimating & Rounding
- NES Middle Grades Math: Number Theory
- NES Middle Grades Math: Roots & Radical Expressions
- NES Middle Grades Math: Exponents & Exponential Expressions
- NES Middle Grades Math: Simplifying Expressions
- NES Middle Grades Math: Integers
- NES Middle Grades Math: Rational Numbers
- NES Middle Grades Math: Introduction to Fractions
- NES Middle Grades Math: Operations with Fractions
- NES Middle Grades Math: Introduction to Decimals
- NES Middle Grades Math: Operations with Decimals
- NES Middle Grades Math: Percents
- NES Middle Grades Math: Number Patterns & Sequences
- NES Middle Grades Math: Properties of Functions
- NES Middle Grades Math: Graphing Functions
- NES Middle Grades Math: Negative Numbers
- NES Middle Grades Math: Absolute Value
- NES Middle Grades Math: Inequalities
- NES Middle Grades Math: Factoring
- NES Middle Grades Math: Monomials & Polynomials
- NES Middle Grades Math: Writing Algebraic Expressions
- NES Middle Grades Math: Basic Algebraic Expressions
- NES Middle Grades Math: Algebraic Distribution
- NES Middle Grades Math: One-Step Equations
- NES Middle Grades Math: Rational Expressions
- NES Middle Grades Math: The Coordinate Graph
- NES Middle Grades Math: Linear Equations
- NES Middle Grades Math: Systems of Linear Equations
- NES Middle Grades Math: Rates, Ratios & Proportions
- NES Middle Grades Math: Measurement
- NES Middle Grades Math: Perimeter & Area
- NES Middle Grades Math: Polyhedrons & Geometric Solids
- NES Middle Grades Math: Symmetry, Similarity & Congruence
- NES Middle Grades Math: Properties of Lines
- NES Middle Grades Math: Angles
- NES Middle Grades Math: Triangles
- NES Middle Grades Math: Triangle Theorems & Proofs
- NES Middle Grades Math: Similar Polygons
- NES Middle Grades Math: The Pythagorean Theorem
- NES Middle Grades Math: Quadrilaterals
- NES Middle Grades Math: Circles
- NES Middle Grades Math: Circular Arcs & Measurement
- NES Middle Grades Math: Transformations
- NES Middle Grades Math: Data & Graphs
- Reasoning & Data Analysis
- NES Middle Grades Math: Statistics
- NES Middle Grades Math: Data Collection
- NES Middle Grades Math: Samples & Populations
- NES Middle Grades Math: Probability
- NES Middle Grades Math: Sets
- NES Middle Grades Mathematics Flashcards