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My special number “11” By: Katelyn Ngooi My Number is “11” I chose the number 11 because it is number 1 doubled. I chose the number 11 because it is.

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Presentation on theme: "My special number “11” By: Katelyn Ngooi My Number is “11” I chose the number 11 because it is number 1 doubled. I chose the number 11 because it is."— Presentation transcript:

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2 My special number “11” By: Katelyn Ngooi

3 My Number is “11” I chose the number 11 because it is number 1 doubled. I chose the number 11 because it is number 1 doubled. It rhymes with Heaven. It rhymes with Heaven. It also reminds me of a smiley face. It also reminds me of a smiley face.

4 Mathematical facts about Eleven. 11 is a prime number because it has exactly two factors,1 and the number itself. My number is the 5 th smallest prime number, and the smallest 2 digit prime number. 11 is a divisor of its’ own multiples. Ex: 22, 33, 44, 55, 66… 11 is an odd number because it is not evenly divisible by 2.

5 The factors of my number!  11 has only one factor pair. This is 1 and 11.  The only proper factor of 11 is 1.

6 The multiples of my number! The multiples of my number are: 11, 22, 33, 44, 55, 66, 77, 88, 99…… The multiples of my number are: 11, 22, 33, 44, 55, 66, 77, 88, 99…… How do you find the multiples? How do you find the multiples? To find the multiples of 11 all I did was add 11. To find the multiples of 11 all I did was add 11. Or you could also just double each number. Or you could also just double each number. 11’s least common multiple with 9 is ’s least common multiple with 9 is 99.

7 Connections between me and my number. I am 11 years old and my number is 11. I am 11 years old and my number is 11. K for Katelyn is the 11 th letter in the alphabet. K for Katelyn is the 11 th letter in the alphabet. I like to play soccer and there are usually 11 players on a team. I like to play soccer and there are usually 11 players on a team. I really like Thanksgiving and it’s in the 11 th month of the year. I really like Thanksgiving and it’s in the 11 th month of the year.

8 Interesting Connections Astronomy: Apollo 11 was the first manned spacecraft to land on the moon. Apollo 11 was the first manned spacecraft to land on the moon. Science: Science: 11 is the atomic number of sodium. 11 is the atomic number of sodium. Sports: Sports: In American football, soccer, field hockey and cricket there are 11 players on the field. In American football, soccer, field hockey and cricket there are 11 players on the field. World: World: Canada’s maple leaf on the flag has 11 points Canada’s maple leaf on the flag has 11 points Astrology/numerology: Astrology/numerology: 11 is considered to be a Master Number. 11 is considered to be a Master Number.

9 Abundant or deficient? 11 is a deficient number because the sum of its factors is less than the number itself. Ex: 1=1 1<11 All prime numbers are deficient. An example of 11’s Factor tree. 11 1X11

10 The Factor game and the Product game! Would 11 be a first good move in the Factor game? 11 would be a good first move because 11 only has one factor which is one so I would get 11 points and my opponent will get 1 point. Would 11 be a first good move in the Product game? Actually 11 isn’t on the Product game board; therefore, 11 wouldn’t be a good first move.

11 Cool Facts  An 11 sided polygon is called a undecagon or a hendecagon.  11 is a palindromic number. This means when two of the exact same numbers are side by side as in 11, 22, 99 or the same number on either side of another such as 121, 656, 292, etc.  11 is the 4 th number that stays the same when written upside down the first three are 0, 1, and 8.

12 Click here to take the Quiz

13 Quiz Answer the two questions. Every time you hear an explosion your answer is incorrect if you hear a cash register your answer in correct. Have fun!!=)

14 What Kind of numbers are Multiples of 11? A) Numbers that end in 2 B) A doubled number like 22 or 44 C) Any number

15 What is a 11 sided shape called? A) A elevator B) Hendecagon C) 11 sided polygon D) None of the above

16 Congratulations Congratulations you have passed Go! Seriously congratulations you have finished the quiz. Thank you for watching. Have a great day!


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