Khan Academy
Khan Academy: Algebra: Variable Expressions
Video shows how to simplify expressions showing multiplication and how to write products with variables without multiplication signs. Also shows how to evaluate expressions by substituting in specific variable values. [12:26]
Khan Academy
Khan Academy: Examples of Evaluating Variable Expressions
Video shows how to simplify expressions showing multiplication and how to write products with variables without multiplication signs.
Mucho Math
Algebra2go: Translating Math to Word Statements
Mathematical expressions and equations are translated to word statements.
Study Pug
Study Pug: Characteristics of Polynomials
A polynomial consists of constants, variables, and exponents. Polynomials are named based on the number of terms they have. Watch this brief video introducing polynomials. [0:47]
Sophia Learning
Sophia: Types of Polynomials: Lesson 2
In this lesson, the definition of each kind of polynomial is discussed. It is 2 of 5 in the series titled "Types of Polynomials."
Sophia Learning
Sophia: Types of Polynomials: Lesson 3
In this lesson, the definition of each kind of polynomial is discussed. It is 3 of 5 in the series titled "Types of Polynomials."