Order of Operations Lesson 1.3 Mr. Sparks & Mr. Beltz.

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Presentation transcript:

Order of Operations Lesson 1.3 Mr. Sparks & Mr. Beltz

Mr. Sparks’ Color Code Red= RECORD Green= General Information [not necessary to record] Blue = CHOOSE TWO [pick whichever two you want to record] Purple= Primary Source/ Real Life Example

Order of Operations Objective: To learn and use the Order of Operations to solve equations. Background Knowledge: What are the four basic Operations in math? Addition Subtraction Multiplication Division *Exponents *Parenthesizes / Grouping

Order of Operations When solving Orders of Operations you must follow these steps: 1 st Complete all operations in PARENTHESIZES 2 nd Complete all EXPONENTS 3 rd FROM left to right: MULTIPLICATION & DIVISION 4 th From left to right: ADDITION & SUBTRACTION

Easy Way to Remember PEMDAS Please Excuse My Dear Aunt Sally Or PE  MA DS

Application 4 (3+5) / 2 2 = What do we do first?

Guided Practice On Page 18, complete problems: #3-6 *Show your work! *Be prepared to explain your answers to the class.

Substituting Variables with the Order of Operations What does it mean to substitute a variable? [if your not sure think of what it means to substitute something else, IE teachers, players on a team, etc.] Solve the equation when X= 3 (X + 7) / 2 (3 + 7) / 2 (10) / 2 = 5

Guided Practice On Page 18, complete: # *Be prepared to show your work to the class.

HOME WORK Page 18 # 7-10, 14-16,17-22