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Maths year 11

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Reply 900
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z_o_e
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11
Original post by RDKGames
Perfect. I think you got the hang of this now, and I doubt GCSE would often ask you to turn repeating decimals into fractions. :h:


Thanks.

What can I move on to now?

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Original post by z_o_e
Thanks.

What can I move on to now?

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I'm not sure, it's up to you, whatever topics you're not comfortable with, perhaps.
Reply 902
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Original post by RDKGames
I'm not sure, it's up to you, whatever topics you're not comfortable with, perhaps.


Percentages?

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Original post by z_o_e


Any particular questions?
Reply 904
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Original post by RDKGames
Any particular questions?


No. :colondollar:

Could you make some up please?

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Original post by z_o_e
No. :colondollar:

Could you make some up please?

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Convert these into decimals and then into fractions:

ODNF.PNG
Original post by RDKGames
Convert these into decimals and then into fractions:

ODNF.PNG


What exactly is a decimal? People try to tell me but I never get a good answer.
Original post by Ano9901whichone
What exactly is a decimal? People try to tell me but I never get a good answer.


A fraction whose numerator is expressed by the figures of tenths, hundreths, thousandths... (basically everything to the right of a decimal point) while the denominator is some power of 10.
Original post by RDKGames
A fraction whose numerator is expressed by the figures of tenths, hundreths, thousandths... (basically everything to the right of a decimal point) while the denominator is some power of 10.


So what isn't a decimal number then?
Original post by Ano9901whichone
So what isn't a decimal number then?


Integers. Where the denominator is 100 = 1. Can be negative powers too if you wish but generally no need to count those.
Reply 910
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z_o_e
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11
Original post by RDKGames
Convert these into decimals and then into fractions:

ODNF.PNG


Mixed some questions up not in order :smile:

How did I do so far?


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1471351082785.jpg39.0KB
Original post by z_o_e
Mixed some questions up not in order :smile:

How did I do so far?


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Looks good! Don't forget to convert them into fractions when you're done with decimals. :smile:
Reply 912
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Original post by RDKGames
Looks good! Don't forget to convert them into fractions when you're done with decimals. :smile:


I picked out the difficult ones


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1471352718733.jpg44.7KB
Original post by z_o_e
I picked out the difficult ones


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First one is wrong, but the third one is right. 1 and 0.01 cannot both be equal to 1/100, can they?

Second one is right as well as the fourth one. You can get rid off the 0 in front of the 5 there. Also look for ways to simplify the fractions; like the fourth one can go into 1/20 as both 5 and 100 are divisible by 5.
Reply 914
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z_o_e
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Original post by RDKGames
First one is wrong, but the third one is right. 1 and 0.01 cannot both be equal to 1/100, can they?

Second one is right as well as the fourth one. You can get rid off the 0 in front of the 5 there. Also look for ways to simplify the fractions; like the fourth one can go into 1/20 as both 5 and 100 are divisible by 5.


Is question 1..
1/10

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Original post by z_o_e
Is question 1..
1/10

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Wouldn't that give you 0.1?
Reply 916
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Original post by RDKGames
Wouldn't that give you 0.1?


Is it 1/1

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Original post by z_o_e


Yep :tongue: (or just 1)
Reply 918
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Original post by RDKGames
Yep :tongue: (or just 1)




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1471363862126.jpg46.2KB
Original post by z_o_e


For 5 you multiplied the numerator by 100 but the denominator by 1000? Pick one or the other; can't do both :wink:

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