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1 is not a prime number!!!

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Indices: the plural form of index

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10^14  divided by 10^3 =

10^11 because...
14- 3 = 11

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Brackets
Indices
Divide
Multiply
Add
Subtract

Also know as BODMAS

Brackets
Other (indices)
Divide
Multiply
Add
Subtract

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4x4 = 4^2 (four squared)

4x4 = 16
4^2 = 16

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2x2x2= 2^3 ( two cubed)

2^3 = 8 because...

2x2 = 4
4x2 = 8

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4 as a power of 8

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Square and Cube Numbers:

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https://s-media-cache-ak0.pinimg.com/originals/eb/95/75/eb957508e50cd99ff0e4e95995215b63.jpg

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- Indicies
- Standard form
- Collecting like terms
- positive and negative numbers
- Powers
- factor trees, hcf and Lcm

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The Ladder Method

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Look

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Negative numbers because they are confusing

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Is find the prime numbers that they DONT have in common and times them.

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Is where we get rid of a number which is on the top and bottom to make the equation simple.

E.g.
5 x 2 x 2 x 3
------------------- : 5
2 x 2 x 3

As you can cancel out all the 2's and the 3 as there are the same amount for the top and bottom

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of 45 and 75 = 45x75 divided by the HCF
Orrrrrr

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...Are numbers that don't follow a pattern, that go on forever

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a x b

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Phoebe did this
And it's great

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Prime Factor decomposition
Do the factor tree method

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... are numbers that follow a pattern

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Find out the prime factors, find ones in common, times together

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2500 = 2.5 x 10 cubed

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LCM-Lowest common multiple

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a x 10 to the power of b
But
A must be one or more but less than 10.

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a x 10

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You can use:
- The tree method
- make a number tree and find all the primes.
18
/ \
2  9
/ \
3     3

-The ladder method
- make a number ladder and find all the primes.
2 [18
3 [ 9
3 [ 3
[1

- If you have 2 or more of the same prime, group them together with indices.

2 x 2 x 2 = 2^

Examples:
144= 2^4 x 3

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HCF-Highest common factor
LCM-Lowest

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HCF-Highest common factor

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Break the number down  ⬇️ into prime numbers common ones are... 2,3,5,7
So you divide the number that you are asked to use by those numbers 😬

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HCF-Highest common factor

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Indices:

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This is crazy

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If this helps Beans did it but if it doesn't blame Mr Harris k?

By Beans 😍😘

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We can express big numbers and small numbers using standard form. A standard from number is:
b
a x 10

E.g.
4
23400 = 2.34 x 10