Here is a video on how to combine like terms using the Distributive Property
Here you can find a short overview of how to combine like terms.
Here you will find notes and a video on Algebraic Expressions.
Here will find notes and a video on variables and expressions.
Here is a short video on Evaluating Expressions using substitution.
Here you can find notes on Algebraic Expressions with a short practice.
Here is a game students can play by converting large numbers into scientific notation.
Here are notes on negative and zero exponents using patterns of exponents.
Here it shows you how to evaluate a negative exponent.
Here you can find the basic rules for expanding and evaluating exponents with short practice.
Notes on exponents and their properties
Here is a link to exponents and their properties. Some of the properties we use less often, but multiplication and division is very important.
Here it explains how to change an improper fraction into a mixed number with practice.
Here are some notes on operations with fractions (adding, subtracting, multiplying, and dividing).