18 videos in "Evaluating Expressions"

Expressions & Formulas

Variables, Expressions, and Equations

Addition and Subtraction

Multiplication and Division

Operations and Expressions

Evaluating mathematical expressions

Evaluating an expression

Evaluating Expressions with Three Variables

Evaluate Expression for Two Variables

What is an Algebraic Expression

What is a Variable

Equivalent Expressions

Simplifying Expressions with Addition and Subtraction

Simplifying Expressions with Subtraction and Multiplication

Simplifying Expressions with Division

Simplifying Expressions with Division

Simplify Numerator and Denominator of Expressions

Simplifying Basic Expressions
Expressions & Formulas
Expressions & Formulas
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Learn to evaluate expressions using order of operations and simplify formulas with given values of variables.
 How do you evaluate and simplify numerical expressions using order of operations?
 How do you simplify [384  3(7  2)^3]/3?
 How do you evaluate variable expressions using given values of variables?
 What does s  t(s^2  t) equal if s = 2 and t = 3.4?
 How do you evaluate (8xy + z^3)/(y^2 + 5) if x = 5, y = 2, and z = 1?
This is a good lesson taught in front of a live class. All examples done in this lesson are explained well. These concepts of simplifying expressions and evaluating with given values are review problems from Algebra.