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# Getting to Cambridge: STEP by STEP! watch

1. (Original post by Zacken)
Q7: First part was bog standard. Second was as well. Third took me a good while and three attempts before I gave up trying to use the intended method and spammed it with C4 vectors that worked surprisingly well till I realised I subtracted wrong and had to restart again. Then tried to be a smartarse and pulled out constants for my length vector.
Spoiler:
Show
Basically, I got the distance was given by the magnitude of but then did the magnitude as magnitude of the vector divided by instead of , so lost a mark there.
15 minutes, lost a mark.
Same The "mark scheme method" was actually C4 vectors

(Original post by Zacken)
Vectors/matrices/locus questions definitely seem to be my largest time sinks.
Exact same issue, what will you do to work on it?
2. (Original post by Mathemagicien)
Hey Zacken, I have a question for you

You know how STEP questions are often: state this; show that, in general, this holds; hence deduce this special case

Do you have any tips for when you've almost polished off a question, but you just have to deduce a special case from your general statements?

I often spend too long on these parts
This is probably not exactly what you're looking for, but what I tend to do is look at how much work I've done for the last few parts and estimate how many marks it's worth so I can try and tell whether the "deduce" thing is a two liner that I need only spend two minutes on or a fairly involved thing that'll require a good bit of time. If it's the former, I'll spend two minutes trying to think of why this special case is special and the importance of it and try and intuit it from the previous part (is there a reason they asked to show the gradient is always positive, is there a reason for the sketch, is this integral undefined there, etc...?) and if I can't get it after two or three minutes, I'll just drop it and move on to another question.

If it's the latter case, then I try and stop thinking of it as a "mini-part" and try and think of it as being a quarter or a half of the entire question and give it lots of thought/working out.
3. (Original post by aymanzayedmannan)
Same The "mark scheme method" was actually C4 vectors
The markscheme did some weird ass thing with sines and cosines that I've never learnt before.

Exact same issue, what will you do to work on it?
I meant time sinks in the sense that I usually always make an algebraic slip and have to restart the question. So I figure I'm going to force myself to go slow and do the questions with proper thought and care so as to save on time. I figure my conceptualisation is fairly solid.
4. (Original post by tinkerbella~)
Analysis:
74/75, 45 minutes. Very disappointed with this, maybe a little on the end to highlight your disappointment? And put it in orange in the OP
(Original post by Zacken)
June 2010, FP3:
Total time: 52 minutes.
Total raw mark: 74/75
...getting it wrong over and over again ... a bit disconcerting... got a little messy... before I gave up trying ...I subtracted wrong... Just plain ugly....ugly algebra...stop making so many silly mistakes...
Boom!

(Congrats to TB on the premonition and Zack on the outcome
5. (Original post by jneill)
Boom!

(Congrats to TB on the premonition and Zack on the outcome
It's not like I told her about it last night or anything.
6. (Original post by Zacken)
This is probably not exactly what you're looking for, but what I tend to do is look at how much work I've done for the last few parts and estimate how many marks it's worth so I can try and tell whether the "deduce" thing is a two liner that I need only spend two minutes on or a fairly involved thing that'll require a good bit of time. If it's the former, I'll spend two minutes trying to think of why this special case is special and the importance of it and try and intuit it from the previous part (is there a reason they asked to show the gradient is always positive, is there a reason for the sketch, is this integral undefined there, etc...?) and if I can't get it after two or three minutes, I'll just drop it and move on to another question.

If it's the latter case, then I try and stop thinking of it as a "mini-part" and try and think of it as being a quarter or a half of the entire question and give it lots of thought/working out.
m8 what do u mean proof by contradiction ?
7. (Original post by Zacken)
It's not like I told her about it last night or anything.
Cool story bro.

8. (Original post by Duke Glacia)
m8 what do u mean proof by contradiction ?
? Where did I say proof by contradiction?
9. (Original post by jneill)
Cool story bro.

Thanks, though.

Any more recent additions to your slang vocabulary you want to try out?

Spoiler:
Show
'You mirin' brah' will definitely impress your son in front of his friends.
10. LOL no I m doing a STEP 1 2008 question. Proof by contradiction that if pq is irrational atleast one of q or p is irrational
11. (Original post by Zacken)
Thanks, though.

Any more recent additions to your slang vocabulary you want to try out?
Spoiler:
Show
'You mirin' brah' will definitely impress your son in front of his friends.
Omg TeeEm when he said that I burst out laughing irl.. What a guy
12. (Original post by tinkerbella~)
Analysis:
74/75, 45 minutes. Very disappointed with this, maybe a little on the end to highlight your disappointment? And put it in orange in the OP
You're too funny.

(Original post by Zacken)
June 2010, FP3:

Total time: 52 minutes.
Total raw mark: 74/75
Nice nice. In the actual exam, are you going to check through your answers in the remaining 45?
13. (Original post by Zacken)
The markscheme did some weird ass thing with sines and cosines that I've never learnt before.
The first part is finding the angle between two vectors using the dot product. The second part is just a right angled triangle and some trig. You've learnt it in year 7.

I meant time sinks in the sense that I usually always make an algebraic slip and have to restart the question. So I figure I'm going to force myself to go slow and do the questions with proper thought and care so as to save on time. I figure my conceptualisation is fairly solid.
I don't doubt that one bit! I go a little slowly for vectors and matrices questions because those little slips can be so costly, especially in FP3. You should also spend some time drawing a diagram for the last part of vector problems, I feel like it makes the maths involved jump out.
14. (Original post by Duke Glacia)
LOL no I m doing a STEP 1 2008 question. Proof by contradiction that if pq is irrational atleast one of q or p is irrational
Well, yeah. Assume that if is irrational then both and are rational, see if that makes sense and prove that it doesn't. Hence both and cannot be rational, so one needs to be rational.
15. (Original post by Student403)
Omg TeeEm when he said that I burst out laughing irl.. What a guy
I knooow! I died.

(Original post by Kvothe the arcane)
You're too funny.
Don't encourage her.

Nice nice. In the actual exam, are you going to check through your answers in the remaining 45?
I kept telling myself I'd do that for my Jan exams, 'cause I'd do all my practice papers in half the time, and even less for C12 and C34, but then in the actual exam once I'd finished, I just lay back in my chair and ate cereal bars because I couldn't be bothered checking over. So I'm not sure.
16. (Original post by Zacken)
Don't encourage her.
She's not replying to me .

I kept telling myself I'd do that for my Jan exams, 'cause I'd do all my practice papers in half the time, and even less for C12 and C34, but then in the actual exam once I'd finished, I just lay back in my chair and ate cereal bars because I couldn't be bothered checking over. So I'm not sure.
Fair nuffs. I can't remember what I did for my early finishes. I hate checking over work so I probably just thought deeply.

(Original post by Student403)
Omg TeeEm when he said that I burst out laughing irl.. What a guy
I hope you weren't in your library.
17. (Original post by Kvothe the arcane)
I hope you weren't in your library.
Libraries aren't so commonplace here

I wish they were - I'd be much more productive. I remember when I went to Cambridge for my interview I couldn't stay out of the Clare library and I managed to complete a full M3 chapter between interviews
18. (Original post by Student403)
Libraries aren't so commonplace here

I wish they were - I'd be much more productive. I remember when I went to Cambridge for my interview I couldn't stay out of the Clare library and I managed to complete a full M3 chapter between interviews
And you say you aren't one of the crazies.
19. (Original post by aymanzayedmannan)
The first part is finding the angle between two vectors using the dot product. The second part is just a right angled triangle and some trig. You've learnt it in year 7.
I should probably learnt that method at some point. Did you use it as well or did you do my thing with "Let be a vector lying on blah such that it is perpendicular to blah blah, dot product, find and do magnitudes"?

I don't doubt that one bit! I go a little slowly for vectors and matrices questions because those little slips can be so costly, especially in FP3. You should also spend some time drawing a diagram for the last part of vector problems, I feel like it makes the maths involved jump out.
I knooow, one slip with your cubic shiz in eigenvalues and you're dead. By the way, do you just write down the determinant of directly or do you write out the matrix first?

I definitely agree re: the vector question. I had to re-do that question once or twice, the first time was without a diagram and I got muddled up with R, N, P, etc... but upon drawing the diagram, it all clicked and I ran through it smoothly.
20. (Original post by Kvothe the arcane)
And you say you aren't one of the crazies.
I'm not A crazy is someone who is very disappointed with 74/75 in FP3

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