National 5 Maths 2019- Unofficial Marking Scheme Watch

CossLne
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Labrador99
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(Original post by CossLne)







Thanks for making this! Won't let me rep you, but hope you don't mind I've moved this into a new thread so it doesn't get lost in the other one
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CossLne
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(Original post by Labrador99)
Thanks for making this! Won't let me rep you, but hope you don't mind I've moved this into a new thread so it doesn't get lost in the other one
that's fine - i'm more than prepared for there to be errors since i've done about 8 hours of maths today!
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Labrador99
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(Original post by CossLne)
that's fine - i'm more than prepared for there to be errors since i've done about 8 hours of maths today!
That's some commitment! :eek:
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Strelzo
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#5
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Can I just ask one question, changing the subject of the formula always seems to muddle me up.

I've done:

A = 1/2h(x+y)

2A = h(x+y)

2A/h = 1(x+y)

2A/h = x+y

x = 2A-y/h

How many marks would I get for that, 1/2?
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CossLne
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(Original post by Strelzo)
Can I just ask one question, changing the subject of the formula always seems to muddle me up.

I've done:

A = 1/2h(x+y)

2A = h(x+y)

2A/h = 1(x+y)

2A/h = x+y

x = 2A-y/h

How many marks would I get for that, 1/2?
probably just lose 1 mark at the end since you stuck the y on the top of the fraction?
if you'd ended with x=2A/h - y I suspect that would earn full marks since the question didn't specify in what manner it should be simplified
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Strelzo
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(Original post by CossLne)
probably just lose 1 mark at the end since you stuck the y on the top of the fraction?
if you'd ended with x=2A/h - y I suspect that would earn full marks since the question didn't specify in what manner it should be simplified
Alright, that's fine then, as long as I don't lose them all.

Also, does anyone know what both papers were out of individually? I want to see how my mark compares to the marking scheme.
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agirlcalledtheo
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@cosslne i recon for question 7 you can simplify it further by getting rid of the "h"
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CossLne
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(Original post by agirlcalledtheo)
@cosslne i recon for question 7 you can simplify it further by getting rid of the "h"
single fraction versus 2 separate things - it's a personal preference/route. If I was in the exam I'd have both presented as the examiner will stop marking at the one they want.
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Strelzo
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(Original post by agirlcalledtheo)
@cosslne i recon for question 7 you can simplify it further by getting rid of the "h"
I don't think you can simplify it further? Because there's two terms on the top
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pineapplepink
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yeah that's what I did
now a bit worried I won't get the mark
I got 2A-y/h because I thought if you divide by h then it wouldn't be at the top anymore??
(Original post by agirlcalledtheo)
@cosslne i recon for question 7 you can simplify it further by getting rid of the "h"
Last edited by pineapplepink; 3 weeks ago
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pineapplepink
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and for question 11 of paper 1 is it not 36?
thought i got that one right
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sophieeeeee.x
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I got 36 too? In another marking scheme that was the correct answer so i think it’s right
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Strelzo
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(Original post by pineapplepink)
and for question 11 of paper 1 is it not 36?
thought i got that one right
(Original post by sophieeeeee.x)
I got 36 too? In another marking scheme that was the correct answer so i think it’s right
I got 36 degrees also, I think they've made a mistake, but obviously I couldn't be 100% sure as no idea what the question was lol :confused:
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Strelzo
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Just found it there.
Attached files
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pineapplepink
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I think paper 1 was out of 50 and paper 2 was out of 60.
(Original post by Strelzo)
Alright, that's fine then, as long as I don't lose them all.

Also, does anyone know what both papers were out of individually? I want to see how my mark compares to the marking scheme.
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Strelzo
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(Original post by pineapplepink)
I think paper 1 was out of 50 and paper 2 was out of 60.
Cool, thanks. :thumbsup:
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TheRealDrBunhead
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Good work!. Some little slips. For example, P1 Q11 you added 76 + 32 to make 98 degress. It should be 108 degress, giving a final answer of 36 degrees. You'll pick up all the other marks for correct method though.
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TheRealDrBunhead
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(Original post by Strelzo)
I got 36 degrees also, I think they've made a mistake, but obviously I couldn't be 100% sure as no idea what the question was lol :confused:
Name:  Nat 5 2019 P1 Q11 Shapes & Angles - Pentagon.JPG
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CossLne
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(Original post by TheRealDrBunhead)
Good work!. Some little slips. For example, P1 Q11 you added 76 + 32 to make 98 degress. It should be 108 degress, giving a final answer of 36 degrees. You'll pick up all the other marks for correct method though.
thanks for the correction - i'd done over 25hours of a mixture of nat3-advanced higher this week so a bit number blind by the time i got round to looking at the nat 5 paper
Have ammended the solutions above
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