Math and Statistics Resources

This video from Khan Academy clarifies the purpose of order of operations (9 m, 39 s).

This Khan Academy video explains the properties of exponents (3 m, 2 s)

This Math Meeting video will explain the properties of exponents and how to simplify expressions. (8 m, 35 s)

The Organic Chemistry Tutor will show you how to add two and three fractions with unlike or different denominators and how to add it to whole numbers and mixed numbers. (Video, 11 m, 15 s).

The Organic Chemistry Tutor explains how to multiply two fractions together. (Video, 10 m, 39 s)