Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
Bellringer-
1. take out last night's HW
2. write down tonight's HW
3. answer these questions
Translate each word phrase into an algebraic expression or equation.
1.) The quotient of a number squared and 3.
2.) Six times the sum of a number and four.
3.) Five less than 8 times a number is 24.
Aug 29­12:42 PM
Sep 6­7:23 AM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
Sep 6­7:23 AM
Order of Operations
1.) Parentheses (Grouping Symbols)
2.) Exponents
3.) Multiply and divide in order from left to right
4.) Add and Subtract in order from left to right
Sep 21­2:36 PM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
Remember to “ Please Excuse My Dear Aunt Sally ” or PEMDAS !
Sep 21­2:37 PM
Which operation would you do first?
Simplify!!!
1.)
Sep 21­2:44 PM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
2.)
September 03, 2015
Sep 21­2:45 PM
Nested Parenthesis  ­ ((parenthesis) within parenthesis)
15 + 2
4.)
[7(8 ­ 6)
2
]  ÷  (­7)
Aug 20­9:42 AM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
Evaluate: Plug values into variables and simplify.
Evalulate if a = 2 , b = -4 and c = -2
5.) 3a - 2b + 4 6.) a 2 - c 2 parenthesis!!
7.) -b + 3a 3 - 4c ( )
3
Aug 29­12:24 PM
.
-
Aug 20­9:43 AM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
[(8
2
­ 5
2
) ­ (7
2
­ 6
2
) ­ (3
2
+ 4
2
)]
2
Sep 6­9:09 AM
(4)(10) ÷5(2) 3
Sep 6­9:09 AM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
{[(18 ­ 3)(7 + 3)] + (6)(5)} + 8{(15 ÷3)[5(4)÷5(2)]}
Sep 6­9:12 AM
Sep 21­2:45 PM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
{[2(25) + 5(70)]  ÷[80(15)÷6(10)]} + 25(12÷6)]
Sep 6­9:11 AM
Homework:
Homework packet pages 4 and 5
Aug 29­9:59 AM

Unit 1 Section 2 Order of Operations & Evaluating.notebook
September 03, 2015
Sep 3­9:04 AM