Set Notation
Unions of Sets
Angles
What are the common elements?
Intersections of Sets
100
Set Notation
What does the " ∪ " in A ∪ B represent?
What does the " ∪ " in A ∪ B represent?
Union
100
Unions of Sets
Write A ∪ B in set notation.
A = {1, 2, 3, 4, 5}
B = {1, 3}
Write A ∪ B in set notation.
A = {1, 2, 3, 4, 5}
B = {1, 3}
A ∪ B = {1, 2, 3, 4, 5}
100
What type of angle is displayed?
Reflex
100
What are the common elements?
X = {2,3}
Y = {1, 2, 3, 4, 5}
X = {2,3}
Y = {1, 2, 3, 4, 5}
2,3
100
Intersections of Sets
Write A ∩ B in set notation.
A = {1, 2, 3, 4, 5}
B = {1, 3}
Write A ∩ B in set notation.
A = {1, 2, 3, 4, 5}
B = {1, 3}
A ∩ B = {1, 3}
200
Set Notation
What does the " ∩ " in A ∩ B represent?
What does the " ∩ " in A ∩ B represent?
Intersection
200
Unions of Sets
Write A ∪ B in set notation.
A = {1, 4}
B = {2, 4}
A (/// 1 ///(// 4 //)/// 2 ///) B
200
What is the size of the angle marked y?
76 degrees
200
What are the common elements?
X = {Burgers, Fries, Coke} Y = {Chicken Nuggets, Fries, Coke, Applesauce}
X = {Burgers, Fries, Coke} Y = {Chicken Nuggets, Fries, Coke, Applesauce}
{Fries, Coke}
200
Intersections of Sets
Draw and shade a Venn Diagram of A ∩ B
A = {1, 4}
B = {1, 3}
Draw and shade a Venn Diagram of A ∩ B
A = {1, 4}
B = {1, 3}
A ( 4 (//1//) 3 ) B
300
Set Notation
What symbol do you use for the "Empty Set" ?
What symbol do you use for the "Empty Set" ?
{ } or ∅
300
Unions of Sets
Write A ∪ B in set notation.
A = {2, 3, 4, 7, 8}
B = {1, 5, 6, 9}
Write A ∪ B in set notation.
A = {2, 3, 4, 7, 8}
B = {1, 5, 6, 9}
A ∪ B = {1, 2, 3, 4, 5, 6, 7, 8, 9}
300
What type of angles are angles A and B?
Corresponding angles
300
What are the common elements?
X = The set of Real Numbers.
Y = The set of Whole Numbers
X = The set of Real Numbers.
Y = The set of Whole Numbers
The set of Whole Numbers
300
Intersections of Sets
Write A ∩ B in set notation.
A = {1, 2, 3, 4, 5}
B = {6, 8, 10}
Write A ∩ B in set notation.
A = {1, 2, 3, 4, 5}
B = {6, 8, 10}
A ∩ B = { }
400
Set Notation
What is another name for the "Empty Set" ?
What is another name for the "Empty Set" ?
The Null Set
400
Unions of Sets
Write A ∪ B in set notation.
A = {1, 2, 3, 4, 5}
B = {1, 3, 6, 9}
AND write the answer in set notation.
A (/// 2, 4, 5 ///(// 1, 3 //)/// 6, 9 ///) B
A ∪ B = {1, 2, 3, 4, 5, 6, 9}
400
What type of angles are marked green?
Alternate angles
400
What are the common elements?
X = {-2,-1,0,1,2,}
Y = The set of Integers
X = {-2,-1,0,1,2,}
Y = The set of Integers
{-2,-1,0,1,2,}
400
Intersections of Sets
Draw and shade a Venn Diagram of A ∩ B
A = {1, 2, 3, 4, 5}
B = {1, 3, 6, 9}
AND write the answer in set notation.
Draw and shade a Venn Diagram of A ∩ B
A = {1, 2, 3, 4, 5}
B = {1, 3, 6, 9}
AND write the answer in set notation.
A ( 2, 4, 5 (// 1, 3 //) 6, 9 ) B
A ∩ B = {1, 3}
A ∩ B = {1, 3}
500
Set Notation
What is the symbol for "is a member of?"
E
500
Unions of Sets
Write A U B for the following set
A= {Summer months}
B= {Months beginning with the letter 'J'}
X (//////////)
500
Find the angles marked X and Y.
X= 50 degrees and Y = 130 degrees
500
What are the common elements?
The set of classes Mrs. Backstrom teaches.
The set of classes Mr. Schwartz teaches.
The set of classes Mrs. Backstrom teaches.
The set of classes Mr. Schwartz teaches.
Standards Math, Geometry
500
Intersections of Sets
Write two sets X and Y that satisfy, X ∩ Y = ∅
Write two sets X and Y that satisfy, X ∩ Y = ∅
ex. X = {1,3,5}, Y = {2,4,6}