Order of Operations and Long Division
Presentation
•
Mathematics
•
KG - University
•
Hard
Joseph Anderson
FREE Resource
4 Slides • 11 Questions
1
Order of Operations w/Exponents
By Renee Villanueva
2
P - paranetheses /brackets
E - exponents
MD - multiply OR divide
AS - add OR subtract
3
Order Matters!
10 ÷ 5 ⋅ 11 - 4
Division appears before multiplication in this problem.
The order of operations says M/D (meaning multiply OR divide).
4
Order Matters
Remember!
Multiplication / Division always come before Adding /Subtracting!!
5
Multiple Choice
What is the first step in the following problem?
20 + 16 ÷ 2 x 20 - 6
add
20 +16
divide
16 ÷ 2
multiply
2 x 20
subtract
20 - 6
6
Multiple Choice
The M and D in PEMDAS stand for Multiplication and Division.
Which operation do you do first?
always multplication
always division
it depends on which operation appears first
neither
7
Multiple Choice
Solving addition and subtraction is the ______ step in the following expression.
first
second
third
last
8
Multiple Choice
Evaluating exponents is the ___________ step when following order of operations.
first
second
third
last
9
Multiple Choice
Find and explain the error.
5 - 3 + 2
= 5 - 5
= 0
There is no error.
Addition was done first and you should have subtracted first
There is a subtraction error
10
Multiple Choice
What are the steps to simplify the following expression?
50-16÷2
add then multiply
subtract then divide
divide then subtract
subtract then multiply
11
Multiple Choice
How do you say the following out loud?
42
four two
fourth squared
four square
four squared
12
Multiple Choice
Identify step TWO in the following expression.
5 x 2 + (3 x 6)2 - 4
multiply
3 x 6 in parentheses
exponent, 182 =
18 x 18 = 324
multiply 5 x 2
13
Multiple Choice
True or False.
Multiplication is ALWAYS performed before division.
true
false
14
Fill in the Blanks
Type answer...
15
Poll
Rate your understanding of evaluating expressions with Order of Operations.
Level 1
Even with help, I still do not understand
Level 2
I am starting to get it, but a little confused.
Level 3
I can do this with HELP or an exmaple in front of me.
Level 4/5 I can do this on my own. I am confident. I can teach this to others.
Order of Operations w/Exponents
By Renee Villanueva
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