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Edexcel GCSE Linear 1380 Non Calculator Nov 2009 Answers

Edexcel GCSE 1380 Linear Non Calculator Answers November 2009

1. Place value
a) 173160 (1 mark)
b) 173.16 (1 mark)

2. Estimating
750 (3 marks)

3. Straight line graph from table of values
a) y values -2, 0, 2, 4, 6, 8 (2 marks)
b) Plot straight line graph (2 marks)
c) (i) -1
(ii) 2.5 (2 marks)

4. Transformations
a) Enlarge triangle by scale factor 3 (2 marks)
b) Rotate triangle 90 degrees clockwise about the origin (3 marks)

5. Stem-and-leaf diagram
a)
3 | 3 7 8
4 | 1 4 6
5 | 1 1 2 4 5 5
6 | 0 2 3
Key: 3 | 3 = 33 grams (3 marks)
b)

\frac{2}{3}

( 2 marks)

6. Frequency polygon
a) Frequency polygon correctly drawn (2 marks)
b) Modal class

20 < t \leq 30

(1 mark)

7. Fractions and multiplication
a)

\frac{5}{8}

(2 marks)
b)

\frac{8}{15}

(2 marks)
c) 5076 (3 marks)

8. Questionnaires
a) No time period and range of possible answers does not cover all possibilities OR answer boxes overlap (2 marks)
b) Question with a time period and good range of boxes that do not overlap (2 marks)

9. Area, volume and weight of a cube
a) Surface area = 150 cm² (4 marks)
b) 125000 (2 marks)
c) (i) 86.5
(ii) 87.5 (2 marks)

10. Algebra
a) 2a + 7c (2 marks)
b) 2y² - 3y (1 mark)
c) x (x -4) (2 marks)
d) 8x + 3 (2 marks)
e)

\frac{2}{3}

(2 marks)

11. Bearings
a) 060 (1 mark)
b) C marked in correct location (2 marks)

12. Formula
N = 20b + 4p (3 marks)
13. Standard form
a)

2.13 \times 10^5

(1 mark)
b)

1.23 \times 10^{-3}

(1 mark)

14. Indices
a) 1 (1 mark)
b)

\frac{1}{2}

(1 mark)

15. Inequalities
a) -1, 0, 1, 2 (2 marks)
b)

y \geq 2

(2 marks)

16. Change the subject

q = \frac{4 + 3p}{5}

(3 marks)

17. Box plots
a) 50 (1 mark)
b) English has a higher median mark
Maths has a smaller interquartile range
or another valid comparison (2 marks)

18. Circle theorems
a) 55 degrees
The radius is perpendicular to the tangent (2 marks)
b) 55 degrees
Alternate segment theorem (2 marks)

19. Probability tree diagrams
a) Fill in missing probabilities in three places

\frac{5}{7}

and

\frac{2}{7}

(2 marks)
b)

\frac{20}{49}

(3 marks)

20. Simultaneous equations

x = \frac{1}{4}

y = -2

(3 marks)

21. Surds
1 (2 marks)

22.Vectors
a)

b - a

(1 mark)
b)

\frac{1}{3}a + \frac{2}{3}b

(3 marks)

23. Recurring decimal
Complete proof (3 marks)

24. Graph transformations
a) (5, -4) (2 marks)
b) (-2, 2) (2 marks)

25. Proof
Correct proof (3 marks)

OP

Edexcel Higher Calculator Examination November 2009 Revision List

Ratio (D)

Probability (but not probability tree diagrams) (D)

Scatter graphs (D)

Interior and exterior angles of polygons (D)

Circumference and area of a circle (D)

nth term of a linear sequence (D)

Angles in parallel lines (D)

Plans and elevations (D)

Two-way tables (D)

Pythagoras’ theorem (C)

Volume (C)

Travel graphs (C)

Rules of indices (C)

Expanding two brackets (C)

Solving a cubic by trial and improvement (C)

Using a calculator (C)

Percentages (C)

Perpendicular bisector, angle bisector or loci (C)

Reflection / translation (C)

Mean from a frequency table (C)

Cumulative frequency graphs (B)

Factorising quadratics (B)

Dimension theory (B)

Trigonometry (B)

Quadratic formula (B)

Moving averages (B)

Similar shapes (A)

Stratified sample (A)

Sine rule / cosine rule / area of a scalene triangle (A)

Histograms (A*)

Algebraic fractions (A*)

Reply 2

KoK

Thanks for this, i think i only lost 2 marks overall, i mucked up on the frequency polygon, assuming i put correct evidence for the 2 questions =)

OP

KoK

assuming i put correct evidence for the 2 questions =)

if you tell me what you did I will confirm whether you did it correctly

Reply 4

TheMeister

15

How do you remember all this?

OP

TheMeister

How do you remember all this?

I didn't remember anything.

Reply 6

KoK

for the last question, i put 2x+1, and a number multiplied by 2 is even, if you add one to even number it becomes odd, and i did en example =/

Reply 7

TheMeister

15

Mr M

I didn't remember anything.

Well then how on earth have you got all these answers?

Reply 8

luckydip

Mr M or anyone

In your opinion was this paper easier/harder or about the same as P1 June 09?

I know that grade boundaries are set after the papers are marked but what do you roughly think they will be?

Thanks

OP

KoK

for the last question, i put 2x+1, and a number multiplied by 2 is even, if you add one to even number it becomes odd, and i did en example =/

That's correct - the example was unnecessary.

OP

luckydip

Mr M or anyone

In your opinion was this paper easier/harder or about the same as P1 June 09?

I know that grade boundaries are set after the papers are marked but what do you roughly think they will be?

Thanks

I think it was easier. 88% for an A*, 70% for an A?

OP

TheMeister

Well then how on earth have you got all these answers?

I am a mathematics teacher.

Reply 12

TW3323R

Is there any chance you can post the questions for the Edexcel GCSE Linear 1380 Non Calculator Nov 2009 exam because i don't know if i got the answers right if i can't remember the questions :confused:

Reply 13

john_bishop1

6

Mr M (or anyone else)
Do you think that cones/spheres will come up as well?

cheers m8

thanks for thiss
i am kickingg myself i cnt believe i messed up on some the basic stuff eg number 2

Reply 16

rezler

ty for this.
have my next maths exam on tuesday

:smile:

OP

john_bishop1

Mr M (or anyone else)
Do you think that cones/spheres will come up as well?

They might.

OP

TW3323R

Is there any chance you can post the questions for the Edexcel GCSE Linear 1380 Non Calculator Nov 2009 exam because i don't know if i got the answers right if i can't remember the questions :confused:

Well it was only yesterday and I did include the subject of each question to remind you!