Order of Operations (PEMDAS)

Order of Operations (PEMDAS)

by Aleeza Faisal

​Why does order matter?

Multiple Select

Why do we use the Order of Operations matter?

• It doesn't, whoever made it is an idiot

• I have no idea

• So that everyone will get the same answer.

• So that the problem is solved correctly

​Order of Operations

​Practice Problem

​50 ─ 3² • [(4 ÷ 2) + 3] + 7

​

50 ─ 3² • [(4 ÷ 2) + 3] + 7

50 ─ 32 • [2 + 3] + 7

50 ─ 32 • 5 + 7

50 ─ 9 • 5 + 7

50 ─ 45 + 7

5 + 7

12​

​You can remember PEMDAS by remembering the phrase

​

Please Excuse My Dear Aunt Sally

Poll

How do you feel about Order of Operations until now?

• Really Confident

  😁

• I'm good

  🙂

• I'm kind of struggling

  😕

• I need help

  😭

Draw

I want you to solve this problem using PEMDAS.

$$\left[\left(6\times4\right)+\left(8\div2\right)\right]-12\times3$$  

Open Ended

What is the Order of Operations acronym and what do the letters represent?

Fill in the Blank

 

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5?

Multiple Choice

24 x (4 - 2) ÷ 6

• 8

• 2

• 6

• 5

Multiple Choice

 40 + (72 ÷ 9) ÷ 8

• 49

• 25

• 41

• 15

Multiple Choice

 15 + 7 × 2 – 11 + 35=

• 38

• 251

• 53

• 50

Multiple Choice

 40 - 2⁴ + 8

• 40

• 32

• 24

• 42

Multiple Choice

Pick the correct order of the Order of Operations

• Parentheses, Multiplication, Division, Addition, Exponents, Subtraction

• Exponents, Multiplication, Division, Addition, Parentheses, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Multiplication, Division, Exponents, Parantheses, Subtraction, Addition