Mathematics Grade 8 1 Date: February 4,2010 Topic: sets

1. Mathematics Grade 8 1 Date: February 4,2010 Topic: sets

2. Sets • Equal and equivalent sets

3. EQUAL SETS

4. SET B SET A

5. What are equal sets? Equal sets are sets that have the same elements, however the elements does not have to be in the same order.

6. Equivalent sets

7. Observe the following sets Equal Set Set a set b Equivalent set Set a set b

8. SET D SET C

9. What are equivalent sets ? Equivalent sets are sets that have the same number of elements, however the elements are not the same.

10. LISTEN TO THE FOLLOWING SCENARIO: Scenario 1

11. Andre’s items Simona’s items

12. Scenario 2

13. Patrice Kerry-Ann Allen

14. Activity 1 Write whether the following sets are equal or equivalent 1. A= 5, 10, 20, 98, 25 B= 56,76,2,57,90 D= 8,1,3,5,79,8,2 2. 3,5,2,79,6,8,1 C= 3. E= 2,4,6,8,10 F= 2,4,6,8,10 4. 5,10,15,20,35,30 H= G= 4,8,16,21,24,27 5. I= 9,8,7,6,5 J= 4,3,2,1,10

15. Activity 2 Write a equivalent and a equal set for each of the following; 1. 1,2,3,4,5 2. 30,67,3,6,78,65, 3. 10,20,30,40,50,60

16. THANK YOU !