D1 (Decision 1) 17 May 2013 Official Thread

Personally I couldn't have asked for a better paper to be honest, pretty standard stuff and unlike M1 and S1 no silly or sneaky questions in there, main problem was the time.

The Gantt chart with 20 activities to draw on or whatever it was, was ridiculous. Took me ages to draw and must have spent the best part of half an hour on that question alone.

Will there be an unofficial mark scheme?

Will there be an unofficial mark scheme?

I think I lost about 9 marks, uhhhh I'm so mad


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My solutions are gradually trickling through the upload world

Maths 24/7 I don't know how you wake up so early and go to sleep so late!! Don't know whats motivating you. You were going crazy on Twitter posting so many solutions haha!

Thank you so much for the support in this exam I really couldn't have done it without your Videos. Based on Arseys Makescheme lowest I got was probably around 69/75.

Would you please be able to provide any advice on how I can keep motivated to keep on track and the importance of learning from mistakes?

I often find I don't want to do papers as I don't like making mistakes but need to get those A/A*s, anything would truly be great even a quote or something.

You are welcome. Sleep is for the weak
I am fairly happy with the answers that are uploading now although will sit down and do it thoroughly at some point.

Staying motivated?
Depends on your mindset. I am driven to be the best I can be for my students and myself and don't struggle to keep pushing on.
Short term goals though may get you through this sticky point though.

Hi sir what did you think of the paper?

Q1 - standard book work
Q2 - standard book work
Q3 - standard book work
Q4 - standard book work although 1/2 to be careful on
Q5 - standard book work
Q6 - wording will annoy some students and the region R not bein enclosed. Nice Integer solutions though
Q7 - Messy diagram lot's of opportunities to slip up and the # of workers questions and the justification may cause issues

Overall, fairly ok for most students. No definitions. No dodgy algorithms and nothing off the scale.
I always think about how pupils will view this paper in years to come when doing past papers.

What will they think of it away from the pressure of the exam? Quite a nice paper


64/65 for an A is my guess and 75 for max UMS. I dont think there were enough quirks
to drop lots of marks.
That though is my educated guess and certainly not gospel.

I spent so much time learning all the definitions too, sir how many marks would l lose roughly

For question 1 I have 3 alternating path,change status and complete matching , and again gave another 3

For question 2 I did my quick sort correctly but it was a bit messy , it will not be a problem right , because the examiners are experienced markers right

For question on the gantt using my cascade to get lower bound I used time 12 activities and said 4 of them must be happening and one of them may be happening so 5 workers are suited