The Edexcel D1 (18/05/12 - AM) Revision Thread

Reply 80

Bantersaurus Rexx

1

I really should start D1 revision soon...

Reply 81

The Illuminati

4

Original post by Arsey

Revision thread for the D1 exam.

I will upload the Jan 12 model answers on the day following the examination (Saturday morning!)

In the next few posts I will upload some past papers, mark schemes etc

er Jan 12...it's Jan 16th and I haven't sat the exam yet. My timetable says jan 20th...or have I missed an exam?

Reply 82

WaNaBe

1

Original post by The Illuminati

er Jan 12...it's Jan 16th and I haven't sat the exam yet. My timetable says jan 20th...or have I missed an exam?

January 2012

Reply 83

The Illuminati

4

Original post by WaNaBe

January 2012

MASSIVE sigh of relief :stupido2:

Reply 84

The Illuminati

4

how'd you work out the minim number of exchanges in a binary

Reply 85

study4life

Hi everyone,
I really need help with how to tackle scheduling. I've had to self-teach myself D1 as none of the teachers at my school can teach it.
I'm really stressing as I can't seem to get scheduling questions right. I've looked through the textbook and it doesn't seem to give much help. Also, I've tried searching online for notes, but there don't seem to be any for scheduling.
If anyone could help me, it would be greatly appreciated - I get really stressy before exams and this isn't helping!
any help would be much appreciated :smile:

Reply 86

JOR2010

14

Original post by Arsey

Gibbo is one of my minions but he is a Mathematical beast.

We have had a few 'Maths offs' revolving around A-Level papers in the past... the results are open for debate but to be fair he edges it.

Have you got any tips on how to avoid mistakes with Prim's/Kruskal's/Dijsktra's/Chinese Postman's algorithm? As soon as you make one mistake, do you lose ALL subsequent marks?

Reply 87

Arsey

OP

10

it depends on the question, D1 punishes hard silly errors as you will lose a lot of marks by making early silly errors.

Hard to give tips on how not to make silly errors, just check your calcs and look out for sneaky routes etc.

Reply 88

JOR2010

14

Original post by Arsey

it depends on the question, D1 punishes hard silly errors as you will lose a lot of marks by making early silly errors.

Hard to give tips on how not to make silly errors, just check your calcs and look out for sneaky routes etc.

I thought as much! Are there no followthrough marks available? Yeah, sneaky routes tend to be the worst, or where they put lots of arcs of very similar weight scattered around a network so you don't spot them..

Reply 89

Arsey

OP

10

yes there can be follow through marks and method marks later in the question but the vast majority of accuracy marks will be gone.

Reply 90

JOR2010

14

Original post by Arsey

yes there can be follow through marks and method marks later in the question but the vast majority of accuracy marks will be gone.

Well, I'm hoping not to make any of these mistakes anyway! Do you know if we need to know about the hand-shaking lemma?

Reply 91

Arsey

OP

10

doubt it, It has never been asked as far as I am aware.

Reply 92

safmaster

7

Original post by Arsey

doubt it, It has never been asked as far as I am aware.

Arsey, will you be posting S1 solutions at midnight?

Reply 93

CharrrrxD

Original post by Arsey

doubt it, It has never been asked as far as I am aware.

Hi,

When there is an algorithm and we have to fill out into a table, how should it be structured? A new line for everything or just a new line once a decision has been made

Thanks

Reply 94

Arsey

OP

10

Original post by safmaster

Arsey, will you be posting S1 solutions at midnight?

yep

Reply 95

safmaster

7

Original post by Arsey

yep

Many thanks. It will probably be best to put them in a separate post-exam discussion thread (as you have done for C1 and C2) as the original thread will most likely still be locked at midnight.

Reply 96

fruktas

2

I love Maths to bits, but D1 is not it. I hate this module with all my life! Also,

Thank you Arsey for all the help, all the definitions and past papers really helped since I couldn't find many from new spec.

Reply 97

cooldudeman

18

has there ever been a question on scheduling on the current spec papers?

Reply 98

cooldudeman

18

Original post by Arsey

Practice Papers

hey, can you upload the mark schemes for paper B and the sample assessment paper please. i found the paper A and mock papers answers on this thread but not the others.

Reply 99

ps3g4m3r

Original post by cooldudeman

hey, can you upload the mark schemes for paper B and the sample assessment paper please. i found the paper A and mock papers answers on this thread but not the others.

2nd this

The Edexcel D1 (18/05/12 - AM) Revision Thread

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