MINISTRY OF EDUCATION

[Pages:69]MINISTRY OF EDUCATION

NAMIBIA SENIOR SECONDARY CERTIFICATE

MATHEMATICS SPECIMEN PAPERS 1 ? 4, MARK SCHEMES

AND ANALYSIS ORDINARY LEVEL

GRADES 11 ? 12

THESE PAPERS AND MARK SCHEMES SERVE TO EXEMPLIFY THE SPECIFICATIONS IN THE LOCALISED

NSSC MATHEMATICS ORDINARY LEVEL SYLLABUS

2006

Ministry of Education National Institute for Educational Development (NIED) Private Bag 2034 Okahandja Namibia

? Copyright NIED, Ministry of Education, 2005 NSSCO Mathematics Specimen Paper Booklet Grades 11 - 12

ISBN: 99916-69-97-3

Printed by NIED

Publication date: 2005

TABLE OF CONTENTS

Paper 1: Specimen Paper .........................................................................................................1 Paper 1: Mark Scheme ...........................................................................................................11 Paper 1: Paper Analysis .........................................................................................................13 Paper 2: Specimen Paper .......................................................................................................15 Paper 2: Mark Scheme ...........................................................................................................29 Paper 2: Paper Analysis .........................................................................................................33 Paper 3: Specimen Paper .......................................................................................................35 Paper 3: Mark Scheme ...........................................................................................................47 Paper 3: Paper Analysis .........................................................................................................49 Paper 4: Specimen Paper .......................................................................................................51 Paper 4: Mark Scheme ...........................................................................................................59 Paper 4: Paper Analysis .........................................................................................................63

MINISTRY OF EDUCATION

Namibia Senior Secondary Certificate (NSSC) MATHEMATICS: ORDINARY LEVEL

PAPER 1: SPECIMEN PAPER TIME: 1 hour INSTRUCTIONS TO CANDIDATES Write your name, centre number and candidate number on all the work you hand in. Write in dark blue or black pen in the spaces provided on the question paper. You may use a soft pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or correction fluid. Answer all questions. If working is needed for any question it must be shown below the question. The number of marks is given in brackets [ ] at the end of each question or part question. The total of the marks for this paper is 60. Electronic calculators should be used. If the degree of accuracy is not specified in the question, and if the answer is not exact, give the answer to three significant figures. Give answers in degrees to one decimal place. For , either use your calculator value or 3.142

This question paper consists of 9 printed pages. 1

1. Work out: 13 + 3 ? 5 ? 8

Answer: ..................... [1]

2. On a certain day the temperature at Aus changed from -7?C at night to 22?C at noon. Write down the change in temperature.

Answer: ...............?C

[1]

3.

M A R I E T J I E

(a) In the word above

(i) which letters have no line of symmetry?

Answer (a)(i): .........

[2]

(ii) Which letter has rotational symmetry of order 2?

Answer (a)(ii): ......

[1]

(b) If a letter is chosen at random what is the probability that it will be an E?

Answer (b): .........

[1]

2

4.

1 2 3 8 9 10

From the numbers above write down

(a) two prime numbers,

(b) a multiple of 4, (c) two square numbers, (d) two factors of 15

Answer (a): ................. [1] Answer (b): ................. [1] Answer (c): ................ [1] Answer (d): ................ [1]

(e) two numbers, m and n, from the list such that m = n and n = 81 .

Answer (e): m = ......... and n = ...... [1]

5. The figure shows a woman of average height standing in front of a lamppost in Independence Avenue. Estimate the height of the lamppost.

6. Factorise completely 2 xy ? 8 y. 3

Answer: ............ m

[2]

Answer: ....................... [2]

7. Solve the following equations: (a) 2x ? 7 = 9,

(b) (x ? 1)(x + 5) = 0.

Answer (a): x = ............ [2]

Answer (b): x = ............ or ............ [2]

8. The distance between Walvis Bay and Buitepos is 700 km, correct to the nearest 50 km. Complete the inequality in the answer space.

Answer: .......... km distance < ..........km [2]

9. On a particular day a newsagent sold 45 copies of The Namibian, 50 copies of Die Republikein and 30 copies of New Era.

(a) Express the sales figures as a ratio in its simplest form.

Answer (a): ...... : ...... : ... [1]

(b) The following day, the number of New Era sold increased in the ratio 3 : 2. Find the number of New Era sold on this day.

Answer (b): ............... [2]

10. Write down the value of

(a)

3 -3

2

(b)

1 0

6

Answer (a): .................. [2] Answer (b): .................. [1]

4

................
................

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