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# C1 Maths extra practise watch

1. Hi, im resitting C1 this year and aiming for at least 95%
ive finished ALL past papers from edexcel and ALL solomon papers
coming close to the exam does anyone have any good resources to revise c1 from?
ive tried MADASMATHS papers and some of the questions being asked are ridiculously weird
2. (Original post by imran_)
Hi, im resitting C1 this year and aiming for at least 95%
ive finished ALL past papers from edexcel and ALL solomon papers
coming close to the exam does anyone have any good resources to revise c1 from?
ive tried MADASMATHS papers and some of the questions being asked are ridiculously weird
Here is a question for you to try

A sequence of numbers is given by .

Given that , find and .

Hence find the value of .

Hence, or otherwise, find the value of .
3. try http://www.physicsandmathstutor.com/...-maths-papers/ they have a lot of past papers from different exam boards that you could maybe try. Also http://www.examsolutions.net/maths-r.../C1/module.php has some 'beastie' questions which he says are designed to test everything you know from one topic
4. Have you considered other exam boards? I do MEI and we often use a lot of edexcel. Have you done practice/sample papers?
5. (Original post by SeanFM)
Here is a question for you to try

A sequence of numbers is given by .

Given that , find and .

Hence find the value of .

Hence, or otherwise, find the value of .
a1=2
a3=10
sigma question =85

having trouble with that last sigma question
i was considering making n=-1 but I feel as if this is a wrong approach
6. (Original post by imran_)
a1=2
a3=10
sigma question =85

having trouble with that last sigma question
i was considering making n=-1 but I feel as if this is a wrong approach
a1 and a3 are correct. The first sigma question - how did you do it?

There is a link between the first and second sigma questions (the 'hence or otherwise' gives it away in exams ) - what is the difference between the two sums? (Not numerically, but by looking at the notation)
7. so the answer would be + a0? (giving as its actual answer)
8. (Original post by SeanFM)
a1 and a3 are correct. The first sigma question - how did you do it?

There is a link between the first and second sigma questions (the 'hence or otherwise' gives it away in exams ) - what is the difference between the two sums? (Not numerically, but by looking at the notation)
oppps sorry I just checked my answer again, the sigma one is 200
since the terms go up in 4
(2,6,10)
A=6
D=4

10/2(4+(9)(4)0
= 200
9. (Original post by imran_)
oppps sorry I just checked my answer again, the sigma one is 200
since the terms go up in 4
(2,6,10)
A=6
D=4

10/2(4+(9)(4)0
= 200
Yes, 200 is correct can you see the link between the two sigma questions? (The difference is that i=1 in one, and i=0 in the other, but what does this mean?) If you're stuck, see the hint below.

But anyway, I am not sure what else you can do apart from the edexcel past papers, solomon and madasmaths if you're still not getting 95%, have a think about what you find difficult in exams and base your revision on that.
Spoiler:
Show
(Original post by not_lucas1)
so the answer would be + a0? (giving as its actual answer)
That is correct - well spotted
10. (Original post by SeanFM)
Yes, 200 is correct can you see the link between the two sigma questions? (The difference is that i=1 in one, and i=0 in the other, but what does this mean?) If you're stuck, see the hint below.

But anyway, I am not sure what else you can do apart from the edexcel past papers, solomon and madasmaths if you're still not getting 95%, have a think about what you find difficult in exams and base your revision on that.
Spoiler:
Show

That is correct - well spotted
knowing myself i would get that wrong in the exam, every time we've done a mock in class i've bottled it. I can do classwork questions all fine and dandy but then when it comes to a simple rationalising surds question i mess up not a clue why
11. (Original post by not_lucas1)
knowing myself i would get that wrong in the exam, every time we've done a mock in class i've bottled it. I can do classwork questions all fine and dandy but then when it comes to a simple rationalising surds question i mess up not a clue why
With mocks/exams there is added pressure, so don't be too hard on yourself and surds can be quite icky. It helps to look at the question, write out exactly how you're going to rationalise it, be careful with calculations and there you go.

I'll try and write up an interesting surd question in a bit
12. Has anyone got access to the C1 mymaths? Is it worth using? My school's password doesn't seem to be working, should I even bother?
13. can you provide me with all the c1 equations i need to know or a link to them that don't come up on the equation sheet?
14. (Original post by not_lucas1)
can you provide me with all the c1 equations i need to know or a link to them that don't come up on the equation sheet?
The big one is the quadratic formula, IIRC there aren't many others you need that don't aren't given to you.

EDIT: Also all the standard geometric ones (pi*r^2 etc.).
15. (Original post by SeanFM)
I'll try and write up an interesting surd question in a bit
On the mean side, but whatever - show that:

where are integers to be determined.
16. (Original post by not_lucas1)
can you provide me with all the c1 equations i need to know or a link to them that don't come up on the equation sheet?
c1 will test gcse knowledge too
so remember area of triangles, cubes etc
17. (Original post by EndOfTheTour)
The big one is the quadratic formula, IIRC there aren't many others you need that don't aren't given to you.

EDIT: Also all the standard geometric ones (pi*r^2 etc.).
(Original post by not_lucas1)
can you provide me with all the c1 equations i need to know or a link to them that don't come up on the equation sheet?
C1: http://www.thestudentroom.co.uk/show...9#post64709099
C2: http://www.thestudentroom.co.uk/show...1#post64750121
18. (Original post by Zacken)
On the mean side, but whatever - show that:

where are integers to be determined.
Oof.
19. (Original post by Zacken)
On the mean side, but whatever - show that:

where are integers to be determined.
this question is taking me too long smh
20. (Original post by imran_)
this question is taking me too long smh
I posted it 7 minutes ago...

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