1. 9.1 Sets, Intersections, and Unions  Standard 1.0  8 Key Terms

2. CA Standard 1.0  Identify and use the arithmetic properties of subsets of integers.

3. Vocabulary 1.Set 2.Elements 3.Roster Notation 4.Set-builder notation 1.A collection of objects or numbers 2.The objects or numbers that make up a set 3.A list of the elements in a set 4.A description of how a set is built

4. #1 Write a roster notation and a set-builder notation. The set G of whole numbers greater than 5 Whole Numbers: Roster Notation: Set-Builder Notation:

5. #2 Write a roster notation and a set-builder notation. The set T of multiples of 5 less than 24 Multiples of 5: Roster Notation: Set-Builder Notation:

6. Vocabulary 5.Intersection 6.Empty Set 5.The set of all elements that are COMMON TO BOTH SETS. 6.When there are NO elements that are COMMON to both sets.

7. #3 Find each of the following Let E be the set of even numbers, W be the set of whole numbers, T = {0, 2}, and S = {1,5}. Are there any intersections between {0, 2, 1, 5}?

8. #4 Find each of the following Let E be the set of even numbers, W be the set of whole numbers, T = {0, 2}, and S = {1,5}. Are there any intersections between even numbers {2, 4, 6, …} and whole numbers {1, 2, 3,…}?

9. #5 Find each of the following Let E be the set of even numbers, W be the set of whole numbers, T = {0, 2}, and S = {1,5}. Are there any intersections between even numbers {2, 4, 6, …} and {0, 2}?

10. #6 Find each of the following Let E be the set of even numbers, W be the set of whole numbers, T = {0, 2}, and S = {1,5}. Are there any intersections between even numbers {2, 4, 6, …} and {1, 5}?

11. #7 Find each of the following Let E be the set of even numbers, W be the set of whole numbers, T = {0, 2}, and S = {1,5}. Are there any intersections between whole numbers {1, 2, 3, …} and {1, 5}?

12. Vocabulary 7.Union7.The set of all elements that are included in EITHER SET.

13. #8 Find each of the following Let M = {1, 3, 5}, E = be the set of even whole numbers, and D be the set of odd whole numbers. What are the unions between {1, 3, 5} and {1, 3, 5, …}?

14. #9 Find each of the following Let M = {1, 3, 5}, E = be the set of even whole numbers, and D be the set of odd whole numbers. What are the unions between {2, 4, 6,…} and {1, 3, 5,…}?

15. #10 Find each of the following Let M = {1, 3, 5}, E = be the set of even whole numbers, and D be the set of odd whole numbers. What are the unions between {1, 3, 5} and {2, 4, 6,…}?