Topic: Expressions

What is an expression?

An expression is a combination of numbers, variables, and operation symbols that represents a mathematical computation. Expressions do not have an equal sign.

Parts of an Expression:

• Terms
• Coefficients
• Variables
• Constants
• Operations

Types of Expressions:

• Numerical Expressions
• Variable Expressions

Simplifying Expressions:

To simplify an expression, perform the operations indicated and combine like terms.

Evaluating Expressions:

To evaluate an expression, substitute specific values for the variable(s) and then perform the operations.

Study Guide: Expressions

• Understand the parts of an expression.
• Practice identifying terms, coefficients, and constants.
• Learn to combine like terms when simplifying expressions.
• Practice evaluating expressions by substituting specific values.
• Create and solve word problems using expressions.

By mastering the topic of expressions, you will be better equipped to understand more complex algebraic concepts in the future.

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