# Ch 9: NES Middle Grades Math: Simplifying Expressions

### About This Chapter

## NES Middle Grades Math: Simplifying Expressions - Chapter Summary

Use this chapter to learn more about the process of simplifying expressions. Presented online, the tutorial videos review addition, subtraction, multiplication and division expressions. You'll explore methods of writing expressions with fewer terms, and you could also revisit techniques for simplifying and solving problems through visualization. While you get ready for the NES Middle Grades Math examination, this chapter can prepare you for test questions that ask you to:

- Simplify addition and subtraction expressions
- Identify and write a simplified multiplication expression
- Reduce division expressions
- Calculate expressions that contain parentheses and exponents

These animated video lessons can serve as portable tutors. They're easily accessed online via your mobile device or wired technology. Usually between five and ten minutes long, the lessons include text transcripts and short quizzes. You can pause and re-watch the videos as needed, and submit your questions to the experts. Video tags help you navigate the lessons' main topics.

### NES Middle Grades Math: Simplifying Expressions Chapter Objectives

During the *Algebra and Functions* content domain of the NES Middle Grades Math examination, you could be asked to demonstrate your proficiency in simplifying expressions. In part, the test may evaluate your ability to apply tips and applications when simplifying algebraic expressions. Worth approximately 33% of the whole test score, the *Algebra and Functions* domain is one of the four domains you must successfully complete to qualify for a middle grades mathematics teaching endorsement. The computer-based assessment includes 150 multiple-choice questions in total and has a time limit of four hours and 15 minutes.

### 1. How to Simplify an Addition Expression

Learn how to simplify and combine like terms in any algebraic expression that uses addition with this lesson. Also learn how to follow the order of operations when simplifying your expression.

### 2. How to Simplify a Subtraction Expression

After watching this video lesson, you will be able to simplify any subtraction expression by combining like terms. Learn what to look for and how easy this is to do.

### 3. How to Simplify a Multiplication Expression

In this video lesson, you will learn how to simplify a multiplication expression that has both numbers and variables in it. Learn what you need to watch for and how to write your simplified expression.

### 4. How to Simplify a Division Expression

Watch this video lesson to learn how to simplify a division problem that has both numbers and letters in it. See what you need to do to get the correct answer. Also, learn what you can do to make your job easier.

### 5. How to Simplify an Expression with Parentheses & Exponents

Watch this video lesson to learn how important it is to follow the order of operations. Learn what to do when you see parentheses and exponents in your math problems.

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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: Scientific Notation
- 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: Money & Consumer Math
- 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: Two-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
- 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