1. Math Talk
What is 45+78?

2. Focused Note Taking – Cornell Notes

3. Cornell Note Process Step 1: Create Format Step 2: Organize Notes
Step 3: Review and Revise Notes
Step 4: Note Key Ideas
Step 5: Exchange Ideas
Step 6: Link Learning
Step 7: Learning Tool
Resources listed from AVID.org

4. Set Up Cornell Notes
We will go through this process as a class.

5. Section 1.2 Order of Operations
Algebra 1

6. Learning Targets Define Algebraic Expression, Evaluate
Identify and apply Order of Operations
Evaluate a numerical expression
Evaluate an algebraic expression

7. Example from Social Media

8. Order of Operations Definition
1. Parenthesis
2. Exponents
3. Multiply
4. Divide
Steps 3 and 4 happen in the order of which operation comes first in the problem
5. Addition
6. Subtraction
Steps 5 and 6 happen in the order of which operation comes first in the problem

9. Vocabulary Factors and Product
Definition of Factors Quantities being multiplied together
Definition of Product
Result of multiplying factors
Example:
In the expression
(𝑥+1)∙(𝑥−9),
(𝑥+1) and (𝑥−9) are factors.
Example:
In the equation
2∙4𝑥=8𝑥,
8𝑥 is the product.

10. Vocabulary Terms
Definition A single number, variable, or product of numbers and variables. Often times, terms are separated by + or −.
Example 1:
In the expression
2𝑥−4𝑐𝑑+4,
2𝑥, −4𝑐𝑑, and 4 are terms.

11. Vocabulary Algebraic Expression, Evaluate
Definition of Algebraic Expression A mathematical phrase consisting of operations between numbers and variables.
Definition of Evaluate
To substitute specific values for each variable in an expression.
Examples:
2𝑥+4
3− 𝑧 6
4𝑐𝑑÷3𝑚𝑛
Example:
Evaluate 5𝑥𝑦 when 𝑥=2 and 𝑦=5.

12. Order of Operations Evaluate Numerical Expressions
Example 1: Evaluate 16−8÷ Step 1: (Exponents) 16−8÷4+14 Step 2: (Division) 16−2+14 Step 3: (Subtraction) Step 4: (Addition) 28

13. Order of Operations Evaluate Numerical Expressions
Example 2: Evaluate 6 32− Step 1: (Parenthesis-Addition) 6 32− 5 2 Step 2: (Parenthesis-Exponents) 6[32−25] Step 3: (Brackets-Subtraction) 6[7] Step 4: (Multiplication) 42

14. Order of Operations Evaluate Algebraic Expressions
Example 1: Evaluate 𝑎 2 3𝑏+5 𝑐 when 𝑎=2, 𝑏=6, and 𝑐=4.
Step 1: (Plug in values)
Step 2: (Parentheses-Multiplication)
Step 3: (Parentheses-Addition)
Step 4: (Exponents)
Step 5: (Multiplication) 92 4
Step 6: (Division) 23

15. Exit Ticket for Feedback
Evaluate 10÷2∙4 2−5 2 − −1