Ocr 9-1 gcse maths 2017

Original post by novaswofter

Wait for the area under the curve,do they expect you to integrate the equation and apply limits? I'm not familiar with the new spec and I'd be surprised if they had integral calculus in it

No they just wanted you to divide it up and find the area

Reply 4

blabla98875

predicted grade boundaries? i found it relatively okay, only messed up on bearings and the C-D length question

Reply 5

Original post by aaron1050

predicted grade boundaries? i found it relatively okay, only messed up on bearings and the C-D length question

7 will probably be around 68-70% 8 around 80%, 9 around 88-90% and full UMS 95%, these are only predictions. Those questions were just about cosine and sine rules and another trigonometry. Cant remember the bearings answer but the C-D length was 62.4 or something.

Reply 6

Original post by OllieMaclean

I got like 90.4 for that C-D length, cosine for the top angle and then sine rule?

Reply 7

_gcx

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Original post by novaswofter

Wait for the area under the curve,do they expect you to integrate the equation and apply limits? I'm not familiar with the new spec and I'd be surprised if they had integral calculus in it

In fact, an attempt using calculus would be marked wrong, as the question asks for an estimate.

Reply 8

Original post by OllieMaclean

50% of that paper was 7-9
7 55%
8 62%
9 80%

My teacher analysed the ocr boundaries took in lots of factors into account
8 will be 80% if we were doing old spec

Reply 9

Original post by HazzaJo

I got like 90.4 for that C-D length, cosine for the top angle and then sine rule?

Did you get 67.5mph for speed question?

Reply 10

Original post by AsianG99

Did you get 67.5mph for speed question?

Yeah, although the question was confusing. It did accelerate to 60 within 10 seconds, but not IN 10 seconds. Didn't know what to conclude.

Reply 11

Original post by HazzaJo

Yeah, although the question was confusing. It did accelerate to 60 within 10 seconds, but not IN 10 seconds. Didn't know what to conclude.

It asked if it was in 10 seconds (<10) so it was correct

Reply 12

username3251038

Original post by OllieMaclean

Nothing too complicated in it, I just messed up the second last question about the quadratic equation for nth term of a sequence and the last one about the area under the graph.d

The quadratic nth term and the particle question (area under graph) I found relatively easy. I messed up on the CD question and acceleration question (proving that the car accelerated to 60mph within 10 seconds). However, the rest of the test went pretty well.

Reply 13

Original post by OllieMaclean

It asked if it was in 10 seconds (<10) so it was correct

"within" would've been a much better way of wording it, as I could also say "no, it accelerated to 67.5mph in 10 seconds". I always end up on the wrong side of 50/50s somehow haha

Reply 14

Original post by OllieMaclean

It asked if it was in 10 seconds (<10) so it was correct

Original post by HazzaJo

Yeah, although the question was confusing. It did accelerate to 60 within 10 seconds, but not IN 10 seconds. Didn't know what to conclude.

I wrote 67.5mph but i didn't conclude it
Would i lose marks?

Reply 15

Original post by AsianG99

I wrote 67.5mph but i didn't conclude it
Would i lose marks?

Probably but only 1 or 2

Reply 16

Original post by AsianG99

I wrote 67.5mph but i didn't conclude it
Would i lose marks?

Tricky to guess really, wouldn't say you'd lose any more than 1 if any. My conclusion was that it reached 67.5 in the ten seconds, which probably isn't enough.

Reply 17

Original post by HazzaJo

Tricky to guess really, wouldn't say you'd lose any more than 1 if any. My conclusion was that it reached 67.5 in the ten seconds, which probably isn't enough.

Original post by OllieMaclean

Probably but only 1 or 2

Im hoping desperately for at least 60 on that paper
I think 68% will guarantee an 8
I'm gonna need to improve on the next papers
It's good there's 3 papers! Probably the only time you'd hear me say that

Reply 18

Original post by AsianG99

I think u will need more than 68% to get an 8....

Reply 19