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Beschreibung
Mindmap von iqrakhanmca, aktualisiert more than 1 year ago
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Erstellt von iqrakhanmca
vor fast 10 Jahre
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Factors, Multiples and Primes
- Multiples
- Definition: Any number which
appears in a number's multiplication
table
- All you have to do is write down
the first 10 numbers in the
questions multiplication number
- Definition: Any number which
appears in a number's multiplication
table
- Factors
- Definition: It is a number that
goes into another number
without leaving a remainder
- Method: Use the FACTOR TREE method to list down
number. Start off by one and the number itself. Once
you see the numbers are repeating themselves, you
should stop. Then just write them in chronological
order.
- E.G. Find all the factors of 24
- E.G. Find all the factors of 24
- So it a number you times with
another number to make the
number in the question
- Method: Use the FACTOR TREE method to list down
number. Start off by one and the number itself. Once
you see the numbers are repeating themselves, you
should stop. Then just write them in chronological
order.
- Definition: It is a number that
goes into another number
without leaving a remainder
- Prime Numbers
- Definition: A number which
only divides into one and itself,
only containing two factors.
- List of prime number:
2,3,5,7,11,13,17,18,23,29,31,37,41,43,47
- List of prime number:
2,3,5,7,11,13,17,18,23,29,31,37,41,43,47
- Definition: A number which
only divides into one and itself,
only containing two factors.
- Product of prime factors
- BIG NUMBERS
- Method: 1) Write down the first 10 primes you know. 2) Draw arrows coming from the
number (these arrows should have two numbers which x each other to make that number).
3) Whenever you get a prime number you ring it. 4)repeat this process for all the number
until you cant go further 5)write them down in chronological order 6)This method is for
both BIG AND SMALL numbers
- Method: 1) Write down the first 10 primes you know. 2) Draw arrows coming from the
number (these arrows should have two numbers which x each other to make that number).
3) Whenever you get a prime number you ring it. 4)repeat this process for all the number
until you cant go further 5)write them down in chronological order 6)This method is for
both BIG AND SMALL numbers
- SMALL NUMBERS
- You can do this method for both big and
small numbers
- You can do this method for both big and
small numbers
- HCF
- SMALL numbers
- 1) Use the factor list method to work out all the factors of
the number, do this for all the numbers you are given. 3)
Write the two lists in chronological order. 4) Look for the HCF
which goes in both the lists, that's the answer
- Method
- Method
- 1) Use the factor list method to work out all the factors of
the number, do this for all the numbers you are given. 3)
Write the two lists in chronological order. 4) Look for the HCF
which goes in both the lists, that's the answer
- BIG NUMBERS
- Method
- 1) Work out the products by using the factor tree method, do this for all
numbers. 2) List them in chronological order. 3)Look for similar patters
(Highest common factors) 4) multiply them
- 1) Work out the products by using the factor tree method, do this for all
numbers. 2) List them in chronological order. 3)Look for similar patters
(Highest common factors) 4) multiply them
- Method
- SMALL numbers
- LCM
- Methods
- 1)list the first 10 multiples of all the numbers
you are given 2)write the two lists out. 3)Circle the lowest multiple which is seen in both lists
- Method 1:
- Method 1:
- Method 2:
- Work out the HCF and times it by the unused numbers which would give you the LCM
- Work out the HCF and times it by the unused numbers which would give you the LCM
- 1)list the first 10 multiples of all the numbers
you are given 2)write the two lists out. 3)Circle the lowest multiple which is seen in both lists
- Methods
- BIG NUMBERS
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