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Week 12 Unit 9 Sets and Venn Diagrams
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Slide 1:
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Mathematics
Secondary Education
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12 slides
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interactive quizzes
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Items in this lesson
Slide 1 - Slide
Elements of a Set
It is placed inside { }.
Examples:
1. The set of all even integers greater than 0 but less than 11.
2. The set of vowels
Slide 2 - Slide
Elements of a Set
It is placed inside { }.
Examples:
3. B is the set of prime numbers less than 10.
4. A is the set of letters in the word 'HAPPY'.
Slide 3 - Slide
Empty Set
Examples:
1. Odd numbers that are multiples of two.
4. A is the set of letters in the word 'HAPPY'.
Slide 4 - Slide
Set Complements
Example:
Universal set or sample space E = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and A = {2, 4, 6, 8}
the the complement of A would be A' = { }
Slide 5 - Slide
Unions and intersections
For example:
If A = { 4, 6, 8, 10} and B = { 6, 10, 12, 14}
= { }
= { }
Slide 6 - Slide
Subsets
When A happens/contains in B then A is a subset of B
The symbol is
= { }
= { }
Slide 7 - Slide
Unions and intersections
For example:
If A = { 4, 6, 8, 10} and B = { 6, 10, 12, 14}
= { }
= { }
Slide 8 - Slide
A = { 2, 4, 6, 8, 10} and B = { 1, 3, 5, 6, 8, 10}
List the elements of
Slide 9 - Open question
A = { 2, 4, 6, 8, 10} and B = { 1, 3, 5, 6, 8, 10}
List the elements of
Slide 10 - Open question
A = { 2, 4, 6, 8, 10}, B = { 1, 3, 5, 6, 8, 10} and C ={2, 9}
List the elements of
Slide 11 - Open question
IRRATIONAL NUMBERS
Slide 12 - Slide
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