Khan Academy: Basic Set Operations: Bringing the Set Operations Together

First demonstrating the improper ways of solving an equation (left-to-right, multiplication first), Sal shows viewers how the answer of an equation can be drastically incorrect by neglecting to use the order of operations. He uses...

Please Excuse My Dear Aunt Sally - or whichever mnemonic your students use for the order of operations - is the focus of this video. Sal takes viewers through various mathematical equations which require the use of the order of...

A video about the union and intersection of sets. [7:44]

A video of basic set and subsets operations.

An introduction of Universal Sets and Absolute Complement.

A test prep practice question on basic set notation.

Adding and subtracting matrices.

It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include...

This video introduces the concept of order of operations with several examples.

This video demonstrates the order of operations in a numerical expression.