2. Number 13 By: Mariana Carbajal Quiz! Vocabulary Slide 1 Table of contents This picture of an arrow in each slide is for you to go to the next slide. This picture of a house is in each slide it is for you to go back to this page

3. I chose the number 13 because I have always been waiting to turn 13!! Also because Its my lucky#. Why I chose # 13 Slide 2

4. Math Facts about 13 Fibonacci table 13 is a Fibonacci number !!!! Eg: 1+1=2, 1+2=3,2+3=5, 3+5=8, 5+8= 13 The multiples of 13 up to 100 are: 13,26,39,52,65,78, 91 The only number that isnt composite is 13 Slide 3

5. My world using number 13! I have 13 cousins! There are 1 3 players in a rugby team! There are 13 cards in each suit- hearts,diamonds,ect... Slide 4

6. Reflections 1 I have leaned that you should never use my number in the middle of the game for the factor game because your opponent gets 2 turns and you lose a turn. I think my special number is a really good # for a first move for the factor game because your opponent only gets 1 points and you get 13 point! Slide 5

7. Reflection 2 My # 13 is prime so it only has 1 factor pair.Eg: Factor pairs of 13: 1 and 13 only! My number is odd! Eg: 1,3,5,7,9,11, 13 My special number would be easy to find the factors so then it would be easy to use the number 13 as one of my numbers for a Venn diagram. 13 F=13 F=12 12,3,4,6 The GCF of 13 and 12 is both 1 because its the only number That they have both as factors. Slide 5

8. Reflection 3 and 4 For 78 and 13 to meet you need to find the multiples of 13 and count how many times you added 13 to get 78! So 13 * 6 = 78 The factorization of 78 helps me find the factors of 78. 13 is one of them so 78 is a multiple of 13. Slide 6

9. Social Facts about 13 When you are 13 you are considered a teenager or an older child! In Judaism the boys experience bar mitzvah at the age of 13. Because they say when you go through the age of 13 you are a more responsible. Slide 8

10. culture The number of people who were at the last supper. The number of steps, according to Egyptians lore, between life and death Slide 9

11. Historical Friday the 13 is an unlucky day because a long time ago people believed that ghost and bad sprits would come and bring you bad luck. The number of original colonies the United states was founded from. So the original flag had 13 stars back then, one for each state. Slide 10

12. Vocabulary! 1.Multiple: A number which keeps on adding itself eg:3,6,9,12 est.. are multiples on 3 2.Composite: a number that has more than 2 facts which doesn't include 1 and itself 3.Fibonacci: Italian mathematician who popularized the modern Arabic system of numerals in the western world and discovered the Fibonacci sequence of integers. 4.Factor:one or two whole numbers that are multiples to get a product eg:2*2=4 so 2 is a factor of 4 5.Prime: a number that has only 1 factor which is 1 and itself 6.Odd: a number that doesn't go evenly in to 2 7. Venn diagram: a diagram that are that shows different relationships between numbers 8.Greatest common factor:The greatest factor which two or more numbers share eg:1,2,3,and 6 are common factors of 30 and 12 but 6 is the greatest common factor 9.Factorization:a product of numbers maybe with some relationships 10.Proper factor:all the factors of a number except the number itself

13. Table ofContents Slide 1:homepage-quiz-glossary-vocabulary Slide 2: why I chose number 31 Slide 3:math facts about 13 Slide 4: my world using number 13 Slide 5:reflection 1 Slide 6: reflection 2 Slide 7:reflection 3 and 4 Slide 8: social facts about 13 Slide 9:culture Slide10:historical Slide 11: the end

14. Review Quiz How many Proper Factor does 13 have? A: 2 B: none C: 6 Next Question

15. Review Quiz Is 13 a Fibonacci # ? A: yes B: no C: maybe

16. Quiz review Is my number a good first move? A: no B: maybe C: yes

17. Quiz review What was the number of stars on the original USA flag? A: 50 B: 13 C: 25

18. Quiz review Is 13 a lucky #? B: no A: yes C: maybe

19. Quiz review A:13,26,39,52,65,78, 91 What are the multiples of 13 to 100? B: 13,26.39,52,65,78 92 C: 13,25,39,52,65,79,92

20. Quiz review 13 Is…… A: The # of people who where at the last supper. B: when youre a teenager C: The # of steps, according to Egyptians lore, between life and death D: all of the above!

21. Quiz review Are there 12 players in a rugby team ? A: yes B: no C: maybe

22. Quiz review Is my number prime? A: Yes B: no C: sometimes

23. Quiz review How many times did you add 13 to get 78 and 13 to meet? A:6 C:41 C:4

24. Sorry Wrong!!!!!

25. Correct!!!

26. The end Hoped you liked my presentation! Slide 11