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GRADE 7 MATHEMATICS QUARTER I
Objectives:
Objectives:
define universal set, subset, and proper subset;
illustrate subset and universal set using Venn Diagram; and
list all the possible subsets of a given set.
UNIVERSAL SET
UNIVERSAL SET
denoted by U, contains all the elements.
EXAMPLE:
EXAMPLE 1: UNIVERSAL SET
EXAMPLE 1: UNIVERSAL SET
Example:
U = {1, 2, 3, 4, 5, 6, 7}
VENN DIAGRAM
VENN DIAGRAM
SUBSET
SUBSET
Denoted by ⊆ , if and only if ever element of set A is also as element of set B.
EXAMPLE:
EXAMPLE 1: SUBSET
EXAMPLE 1: SUBSET
Example:
A = {1, 2, 3, 4}
B = { 1, 2}
C ={ 4, 5, 6, 7}
D ={ 6}
VENN DIAGRAM
VENN DIAGRAM
PROPER SUBSET
PROPER SUBSET
Denoted by ⊂ , if and only if every element of set A as also an element of set B and set B contains at least one element that is not in A.
EXAMPLE 1: PROPER SUBSET
EXAMPLE 1: PROPER SUBSET
VENN DIAGRAM
VENN DIAGRAM
VIDEO LESSON FOR BETTER UNDERSTANDING:
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