Set Symbols
Name the symbols below
∈ AND ∉
'element of' AND 'not an element of'
What is n(A)?
If A ={square, triangle, circle, pentagon}
n(A) = 4
List the elements A= {counting numbers between 5 and 11}
A = {6, 7, 8, 9, 10}
A = {1, 2, 3, 4}
B = {2, 3, 5, 7}
What is A ∪ B
A ∪ B = {1,2,3,4,5,7}
Evaluate
Who discovered Venn Diagrams?
Mathematician John Venn
Name the symbols below
' ∪ ' AND ' ∩ '
Union AND Intersection
What is n(G)?
If G = {Even numbers 1-11)
n(G) = 5
Describe the following
B = {3, 6, 9, 12, 15}
B= {multiples of 3 up to 15}
F= {15, 16, 17}
W = {12, 15, 18}
What is F ∩ W?
F ∩ W = {15}
Sets are named using
Capital letters
Name the symbol below
' Ø '
Empty Set
What is n(T)?
If T = {days of the week}
n(T) = 7
Describe the set below
C= {rhombus, square, rectangle, trapezoid, parallelogram}
C={Quadrilaterals}
F= {5, 6, 7, 9}
W = {1, 2, 3, 4}
What is F ∪ W?
F ∪ W = {1, 2, 3, 4, 5, 6, 7, 9}
What does this mean ...?
ellipsis - and so on
members in a set are separated by a
comma
What is n(U)?
If U = {v,o,w,e,l,s}
n(U) = 5
Describe the set below fully
R={0, 1, 2, 3, 4, 5, 6}
R = {whole numbers less than 7}
Z = {14, 18}
C = {15, 19}
What is Z ∩ C?
Z ∩ C = Ø
Describe this set {January, July, June}
{months of the year that start with the letter J}
Name the set symbol below
' n(A) '
'the number of element in set A..."
What is n(R)?
If R = {Parishes of Jamaica beginning with the letter M}
n(R) = 1
Describe the following
W ={1, 3, 5, 7, 9}
W = {odd numbers less than 10}
True or False?
{1,2,6,8} ∩ {3,4,5,9} = Ø and is therefore, disjoint.
True!
List the members of the set of letters in the word MATHEMATICS
{m, a, t, h, e, i, c, s}