1. Drill #2 Find the value of each expression 1. 2. 3. 4.

2. 1-1 Expressions and Formulas Objective: To use the order of operations to evaluate expressions and formulas.

3. (1.) Order of Operations * 1.Simplify the expressions inside of grouping symbols, such as P arenthesis (), brackets [], braces {}, fraction bars, and absolute values ||. 2. Evaluate all E xponents. 3.Do all Multiplications and D ivisions from left to right. 4.Do all A ddition and S ubtraction from left to right.

4. Vocab Sheet / Order of Operations ** Write a definition for order of operations on your vocab sheet (in the vocabulary section of your notebook) P.E. MD. AS.

5. (2.) Order of Operations Example* Evaluate using the order of operations:

6. Classwork 1-1 Skills Practice # 1 – 8 NOTE: Use drill problem solutions for #1 – 4

7. Algebraic Expression** An expression that contains at least one variable. Algebraic expressions usually contain operations and constants as well as variables. Examples:

8. (3.) Algebraic Expressions Example * Evaluate the following expression if y = 4, a = -2, and b = -5

9. Classwork 1-1 Skills Practice Complete problems #10 - 22 (even)

10. Homework 1-1 Practice (ALL)