Set Language & Notation
Subset Unions/Intersections
Venn Diagrams
Riddles
Basic of Sets
100
Set of Vowels. (Use roster notation)
V={a, e, i, o, u}?
100
Find AnB
A = {1, 2, 3, 6, 9, 18}
B = {1, 2, 3, 4, 5}
AnB={1,2,3}?
100
What does this graph represent?
B and C
B∩C
100
There is an ancient invention still used today in some parts of the world which allows people to see through walls. What is it?
Windows
100
What do we call the objects inside a set?
Element
200
The meaning of
AsubeB
A is a subset of B
200
Find AuB
A= {even numbers up to 20}
B= {multiples of 5 up to 20}
AuB= {0, 2, 4, 5, 6, 8, 10, 12, 14, 15, 16, 18, 20}
200
What does this graph represent?
A or B
A∪B
200
I have forests but no trees.
I have lakes but no water.
I have roads but no cars.
What Am I?
A map
200
What symbol is used to show an element belongs to a set?
∈
300
The meaning of
emptyset
The empty or null set.
300
Find the elements that are not in A and they are not in B
U= {2,3,6,8,9,11,14,15,20,22,25,30}
A= {2, 6, 8, 14, 20}
B={ 2, 3, 11, 15, 20, 25}
{9, 22, 30}
300
Draw a Venn diagram to represent the relationship between the sets X = {1, 6, 9} and Y = {1, 3, 5, 6, 8, 9}
300
When I’m first said,
I’m quite mysterious,
But when I’m explained,
I’m nothing serious.
What am I?
A riddle
300
The empty set and {0} are the same.
False
400
The set of factors of 38
{1, 2, 19, 38}
400
Find B - A (the elements that are in B, but not in A)
A= {2, 7, 8, 10, 17}
B= {14, 10, 2, 19, 20}
B - A= {14, 19, 20}?
400
The sketch of
(A ∩ B) ′
Answer will be drawn on the board.
400
Where on Earth do the winds always blow from the South?
North Pole
400
What do we call two sets that have no common elements?
disjoint sets
500
F={people who play football}
B={people who play basketball}
S={people who play soccer}
Write in words the meaning of
(F ∩ S) ∪ B
Amount of people who play football and soccer combined with people who play Basketball?
500
If A = {1, 3, 7, 9, 10}, B = {2, 5, 7, 8, 9, 10}
Find: (A ∪ B) ∩ (A ∩ B)
(A ∪ B) ∩ (A ∩ B)= {7,9,10}?
500
The sketch of
A ∩ (B ∪ C) ′
500
A boy is walking down the road with a doctor. While the boy is the doctor’s son, the doctor is not the boy’s father. Then who is the doctor?
The boy's mother.
500
If A = {1, 2, 3} and B = {1, 2}, what is B in relation to A?
B is a proper subset of A or B is a subset of A