The video addresses common mistakes students make when evaluating expressions, emphasizing the importance of using parentheses to avoid errors. It provides tips on substituting values and simplifying expressions, highlighting the significance of correctly applying powers within parentheses. The instructor uses examples to demonstrate these concepts, ensuring students understand the correct procedures for evaluating expressions and avoiding common pitfalls.

What strategies can be used to avoid common mistakes when evaluating expressions?

Describe the mistake students often make when raising a negative number to a power.

How does the order of operations affect the evaluation of expressions with addition and subtraction?