Candidate's Name Class School MATHEMATICS 1 21211 BOARD OF EXAMINATIONS NEGARA BRUNEI DARUSSALAM STUDENT PHOGRESS EXAMINATIONS 2023 MATHEMATICS PAPEB 1 Time: t hour 30 minutes READ THESE INSTRUCTIONS FIRST o Write your name, class and school in the boxes above. o Write in dark blue or black pen. o You may use a pencil for any diagrams or graphs, r Do not use staples, paper clips, highlighters, glue or correction fluids. o Cross-out wrong answers or incorrect working. INFORMATION FOR CANDIDATES . Answer all questions. r lf working is needed for any question it must be shown in the space below that question. r Omission of essential working will result in loss of marks. r The number of marks is given in brackets t I at the end of each question or part question. . The total number of marks for the paper is 60. r ELECTRONIC CALCULATORS OH ANY OTHEH CALCULATING AIDS SHOULD NOT BE USED. FOR THE USE OF MARKERS ONLY Markers Name Checker's Name MARKS 166
1. (a) Hound off (i) 3.0892 correct to 2 decimal places. Answer: iaXi) (ii) 67.429 correct to 3 significant figures t1l l1l I1l Answer: (b) How many significant figures are there (aXii) in 0.00500? Answer: (b) 2. RANDOM From the word above, write down {a) all the letters which have line symmetry, (b) all the letters which have Answer: (a) ratational symmetry. t1l Answer: (b) 167 I1l
3. (a) List down the first three multiples of 35. Answer: (a) (b) Express 180 as the product of prime numbers. Answer: tb) l1l t2) i'll1'"f'lii ',*a{'--.i.. liiqt*1i;l,r,tl 1rer? 't1."-," i ir,,1x11,,,' t'. ,. ii?'i;:r*,,. . S*dllli- .;i. *,, t 1... , , .?-e-1, ir.'lr'$ ', :: iii'"',r; r-::effi:!-'. ;e*1. . .'.4 *"{n*. aL;*::3&? s:: rt:? }qr-*,*;t - .ji *:l:lill'r:i Cll:! ,tt :":r. ai i;*t*.tl,r* " &..;'r *'{i}tx',- r" li,rr.1t*;'|i. 'lt* - ' ..: \il;iit' i: r!r,. .1' lr.*rar '.,.,#3".,,it ,t::r::&. t,.i *: :l 334yr..11. [,--*.-. 1.r"$" Q';' ;i' ? .rn,.5 l./tt "' s9, ilk* tzl 4. (a) Complete the table below: (b) Arrange the 1 100 following in ascending order. *, 41.1o/o, a.42, Answer: (b) _ tzl Decimal Fraction Percentage 7.5 5. By making suitable approximations, estimate the value of 'ffi.oa *Vzz ss 0.485 I3I 168 Answer:
6. (a) Evaluate. (i) 18+6+2-(*5) iri,rl\ 9:. i'.,t' * 't{,,,,1'st:t }'::::* sfrg fr.,'-*& 3- -d\; * t:{:"?j 1;t*x$?c3 ,l*:m&* ,, .. * ,i:r- *ur?1:.'J l,;:;;;;;;i t;iie*tp-t ti;x:-' tir;;&&3 k,*!$ "xs g,* it';'r':ii;.di Answer: (aXi) (ii) rs + f Answer: {a)(ii) (iii) 0.5 x 0.03 Answer: (a)(iii) (b) Add brackets ( ) to the statement below to make 121 12l 121 it a correct statement. t1l 15-3+2+18=24 7. (a) The temperature of a freezer al G800 is -7'C. The freezer was turned off and at 01 00 the temperature of the freezer is 11 'C higher. Find the temperature at 0100. Answer: (a) tt' ti :::::1'f: a; t69 oc l2l
(b) Sharif is meeting his friend It takes him 25 minutes to What time will he need to at the library at 12.15p.m. get to the library lrom his house. leave his house to arrive on time? Answer: (b) 8. (a) A bakery bakes 20 cakes in an hour. How many cakes can it bake in 15 minutes? Answer: (a) t21 121 (b) Mariam bought 12AA cupcakes. How many grams of grams of flour. She used $ of the flour does Mariam have left? Answer: (b) flour to bake grams tzl ;.-,i1i'..t": ,l'r"F*' t2I t2l Answer: (a) Answer: (b) Answer: (c) 9. (a) Simplify 12ab - 8 - 9ab + 6 (b) Solve 4x-7=2A+x 121 (c) Factorise -6x - 12y * 152 t7a
10. ln a school, their birthday students have May. (a) Complete 45 students have their birthday in January, 4A students have in February, 20 students have their birthday in March, 35 their birthday in April and 5 students have their birthday in the bar graph to represent the above information. drawn for you. Twa of l3l the bars have been One of the students was the student was born in NOT TO SCALE Work out the probability that abZ. 4a o t E 30 o o 220 10 {b) Month picked at random. February. Answer: (b) t21 TOTAL MARKS END OF PAPER t71
Candidate's Name Class School marks. significant figures. Give the end of each question MATHEMATICS 2 21212 BOARD OF EXAMINATIONS NEGARA BRUNEI DARUSSALAM STUDENT PROGRESS EXAMINATIONS 2023 MATHEMATICS PAPER 2 Time: 2 hours HEAD THESE INSTRUCTIONS FIRST r Write your name, class and school in the boxes above. r Write in dark blue or black pen. o You may use a pencil for any diagrams or graphs. o Do not use staples, paper clips, highlighters, glue or correction fluid. . Cross-out wrong answers or incorreci working. INFORMATION FOR CANDIDATES o Answer all questions. r lf working is needed for any question it rnust be shown in lhe space below that question. Omission of essential working will result in [oss of lf the answer is not exact, give your answer to 3 answers in degree correct to 1 decimal place. The number of marks is given in brackets I I at or part question. The total number of marks for the paper is 80. THE USE OF ELECTRONIC CALCULATORS IS EXPECTED. a a a a Marker's Name Checker's Name FOR THE USE OF MARKERS ONLY MARKS 172
REVISION 11 PAPER 2 SPE 2023 1. The scatter diagram shows the All the cars were ol the same age and value of some model. cars in 2022. 40,000 30,000 20,000 10,000 u123456789 Age of the car (years) (a) Use the graph to estimate the value of a new car of this model. Answer: (a) (b) A car of this model had a value of $27500 in 2022. Use the graph to estimate the year in which it was sold. Answer: (b) & o G o o o 6 l1l t73 t2)
t:j,i,'\ !i'-'x:3i l:t a-,.riir,,ri 'at t t.:*-.r.ir'l l.-:.,--.-.,.i, ]'::.]..-.:.'; a-.,,.,.'-;.i I .,:..,:----:i l1l x -3 -1 0 1 2 3 v 2. (a) Complete the table below lor y * 2x + 1. (b) Plot the graph al y - 2x * 1 on the grid provided below, From your graph, find the value of y when x = 4 Answer: (c) y - t3l t3I x Y A E n a I t o 4 ! a - ^ a (c) 174
3. (a) Maria gets paid $83.50 each week. After 3 weeks, she saves $32 and spends the rest. How much money does Maria spend? Answer: (a) $ 121 (b) The mass of a box with 37 identical booklets inside is 1.2 kilogrammes. When 10 booklets are removed, the mass of the box with the remaining booklets is 950 grams. Calculate the mass of the box in grams. Answer: (b) s t3l 4. ln the space provided below. (a) Construct triangle PQR such that PQ = 8cm, QR = 5.5cm IPQF| = 65". (b) From the construction above, (i) Measure IPRQ Answer: (bxi) " [1] Answer: (bxia) :l: frlsrf*\ ryi# &r*-"* "# ffix hsffi4 P-^'Tj* & h----.-d L{M S-",=*# l l i-, -l il$ M h*tl6p-S H-4 leiu;;E k"**'d& l. -:! t*ls treTdr P'l M -;# ry.,r Mhrfr -.H ts. ,,lt -. {gls F::l:r{ rrlT\ Ld flIisf\ s."f r;;rr&&/? q;**$ EN}E * \;/ &-&* 6*,i&{s'1f [*;* h:*4 e*ffi \:p tr*T:{ *F&nedi( k{MEr^--r{ q:ryJ f,-,\/ lii.r.*& |&tri;re;*a.$ .,.,ii jt!:*q f;.,r;*+'\ rk# rY,t', i ft*# s-k\J and I3l (ii) Measure PR t75 cm ill
5. The table below shows the masses, in kilogram, of six boys. Name Mass (Kg) Ahmad 63 Burhan 59 Chong 68 Dennis 62 Ethan 58 Farhan m (a) Given that the total mass of the six boys is 370k9, find the mass of Farhan, m. \*its r'.q. fr / :.nl 1t,trx \e ra -fi w;*".i& l!--Y-'C .:. &ri1 lS&-*l,ry:tj] L**** & db'.jtr l-*"e E:".! $,tp4 .&a::;J HsM, - *;itlt i'j*ttt* d',tt axt? e::r r i{; t&***{* i: drttt ,i.i",rydX ll:i-:iiiriiliiill rr€*x lgiil;;,;ii i,j)rlrxte€ f\.s:''"J!jd r.ar f# kryi lsf{.* I?L'+'-rv *i:r;;"", r:**'1, :-!.,. b*?th^- t*"#'-:;,; *rly::r$ &tiiiatiiat iS *;i*t&;:k &t& %., *lX ,tf. i::ii.r":* F.r'. .f JF {r,*,/SJ i, *s*d rl"s! :r. &lii1r i.*"* :flh : '" ."4, ;-.r"* ;a::ry* ir""*i*.* ' iiq*{} !:'i:l'it &r.e,t-*r* li.;I*S :.."* sJ ,lr.*xa1..1*e& *.-fl. & rY:ryr:' $' r::1, !f rf ..,;'t !, -&-s i r$-'*"-o H '\J &.&r k$lr aii. ?iii::!! Answer: (a) (b) Find the mean of the six boys, correct to 1 kg t1l decimal place. Answer: (b) kg 121 (c) From your answer in part (b), which boy's mass is the closest to the rnean mass? Answer: (c) I1I (d) One boy has joined this group of boys and the new mean mass of the seven boys is 62k9. What is the mass of the boy who has just joined? Answer: (d) kg t3l 6. lmran ask 18 of his friends the number of toy cars collections they have. The result are shown in the table below. Number of toy cars Frequency Pie Cha* sector angle U g 1 5 Z I 3 2 {a) Complete the table above. tb) Complete the pie chart. 12) I3l t76
NOT TO SCALE (c) From the table above, find the (i) range {ii} mode {iii) median Answer: (cXi) Answer: (cXii) Answer: {cXiii) tll l1l I1l 7. A restaurant sells pizzas in two different sizes. ?izza A with a diameter of 20cm and pizza B with a diameter of 30cm. ft;* o'l* \ - avvtfl .\" o o --/, \\\ ." ,_ _.// Piz,a A $10.00 Which is the better (You must show all NOT TO SCALE Pize:aH $1s.00 value for money? your working to justify your answer). Answer: Pizza t4l (3O O o0 TOTAL MARKS END OF PAPER t77