The following video lectures pertain to important and key topics discussed in our Math 91 course. Please view the lectures as we cover the respective material. I hope that the videos provide beneficial instruction for you.
Order of Operations with Whole Number
Multiplication and Division of Fractions
Addition and Subtraction of Fractions
Ratios, Rates, and Proportions
Percent and Solving Percent Problems
Measurement (English and Metric Systems)