Set Definition and Notation
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
Roberto Layague Jr.
Used 19+ times
FREE Resource
12 Slides • 9 Questions
1
Bebs Ever Tots
2
Definition
Any well - defined collection or group of distinct objects
distinct objects means that there are no duplicate elements in the sets.
3
Context
set of unit digits
A = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
A = {x | x are unit digits}
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5
Multiple Choice
Identify if the set is well - defined or not
The set of honest people.
Well - defined
Not well - defined
6
Multiple Choice
Identify if the set is well - defined or not
The set of even numbers.
Well - defined
Not well - defined
7
Multiple Choice
Identify if the set is well - defined or not
The set of big people
Well - defined
Not well - defined
8
How to Read Sets?
Sets can be named by Letters or Symbols
What is inside the braces is called the elements.
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10
11
Multiple Choice
Identify the Set Name
R = {s, t, u, v}
R
s
t
u
v
12
Multiple Choice
Identify the element.
R = {r}
R
r
13
Notation
It is how you identify a set.
Description
Listing/Roster
Set - Builder
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15
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Multiple Choice
Identify the type of set notation.
A = {r, e, a, d}
Listing
Description
Set Builder
17
Multiple Choice
Identify the type of set notation.
Set C is the set of natural Earth satelite.
Listing
Description
Set Builder
18
Multiple Choice
Identify the type of set notation.
D = {x | x is branch of Mathematics}
Listing
Description
Set Builder
19
Remember these!
Set is a well - defined collection or group of distinct objects.
Sets can be written by description, listing or roster, and set builder.
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Open Ended
What is your key take away in this lesson?
21
Bebs Ever Tots
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