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# Maths year 11 Watch

1. The thing is though we are doing the 9-1 papers and none of them are on the internet to do as revision?
(Original post by Lucky10)
Best advice i could give DO PAST PAPERS its the best way to get better a maths. Any topics you dont get use sites like mathswatch.
2. (Original post by 34908seikj)
Thank you so much!

Do you mind explaining these?

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3. Okay, so you roll the dice and the probability of you getting a winning number is 1.5*10^2. You're rolling the dice twice so it will be the probability of winning multiplied by itself. (1.5x10^2)(1.5x10^2). What AQA paper are you doing? As in what year and month.
4. (Original post by 34908seikj)
Okay, so you roll the dice and the probability of you getting a winning number is 1.5*10^2. You're rolling the dice twice so it will be the probability of winning multiplied by itself. (1.5x10^2)(1.5x10^2). What AQA paper are you doing? As in what year and month.
Thank.you!

November 2015

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5. (Original post by TheDoctor11)
The thing is though we are doing the 9-1 papers and none of them are on the internet to do as revision?
My advice then will be to ask your teachers for exam paper resources
6. (Original post by z_o_e)
Can you help me on this please

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the answer posted above is rigth, The trick is if it is a decrease percentage you make the number a decimal (divide by 100) and then subtract this number from 1.0. So 27% = 0.27, which is 0.73 when subtracted from 1.0. You then times this number by the inital price. If it's a percetnage increase, you do the same but you ADD the number to 1.0. So if it was a 41% increase you'd add 0.41 to 1,0 to get 1.41 and then you would times this number by the inital price.
7. (Original post by 1jonam16)
the answer posted above is rigth, The trick is if it is a decrease percentage you make the number a decimal (divide by 100) and then subtract this number from 1.0. So 27% = 0.27, which is 0.73 when subtracted from 1.0. You then times this number by the inital price. If it's a percetnage increase, you do the same but you ADD the number to 1.0. So if it was a 41% increase you'd add 0.41 to 1,0 to get 1.41 and then you would times this number by the inital price.
Thank you

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8. (Original post by 1jonam16)
the answer posted above is rigth, The trick is if it is a decrease percentage you make the number a decimal (divide by 100) and then subtract this number from 1.0. So 27% = 0.27, which is 0.73 when subtracted from 1.0. You then times this number by the inital price. If it's a percetnage increase, you do the same but you ADD the number to 1.0. So if it was a 41% increase you'd add 0.41 to 1,0 to get 1.41 and then you would times this number by the inital price.
Have I done this correct? The pencil part.

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9. (Original post by 34908seikj)
Okay, so you roll the dice and the probability of you getting a winning number is 1.5*10^2. You're rolling the dice twice so it will be the probability of winning multiplied by itself. (1.5x10^2)(1.5x10^2). What AQA paper are you doing? As in what year and month.
Can you explain this please

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10. (Original post by z_o_e)
Have I done this correct? The pencil part.

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No, His weight is 51.5kg and he now weighs 8.5% less. you can calculate this by doing 100% - 8.5% = 91.5%

91.5% = 0.915 in decimal form

51.5*0.915 will give you a decrease in weight by 8.5%
11. (Original post by 34908seikj)
No, His weight is 51.5kg and he now weighs 8.5% less. you can calculate this by doing 100% - 8.5% = 91.5%

91.5% = 0.915 in decimal form

51.5*0.915 will give you a decrease in weight by 8.5%

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12. (Original post by 34908seikj)
Is that correct??

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13. (Original post by z_o_e)
Is that correct??

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Yeah!
14. (Original post by z_o_e)
Is that correct??

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yes its correct, remember if theres a decrease the weight has ot be smaller. so in your first answer, you werent right as the naswer was bigger, but know youve ot it right.
15. (Original post by 1jonam16)
yes its correct, remember if theres a decrease the weight has ot be smaller. so in your first answer, you werent right as the naswer was bigger, but know youve ot it right.
Oh thank you so much guys ♥

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16. (Original post by 34908seikj)
Yeah!
Thank you so much !

Can you help me on this now? I'm so sorry!
My end of year is next week!

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17. (Original post by z_o_e)
Thank you so much !

Can you help me on this now? I'm so sorry!
My end of year is next week!

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I thought I had enough space; turns out I didn't. If you still don't get it I'll write it out clearer.

18. (Original post by 34908seikj)
I thought I had enough space; turns out I didn't. If you still don't get it I'll write it out clearer.

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Too messy
19. (Original post by z_o_e)
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Too messy
How 'bout now?

Updated: December 10, 2016
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