ISMC 2016 Primary 3 Questions

 

CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI

CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI ?;62 ([rcmfry >) 6 hjur >; mciutls

Cistruntcjis tj pfrtcncpfits 6. Aj ijt jpli thl ojj` ojj`dlt dlt uitcd yju frl tjda tj aj sj. ?. Fttlmpt FDD ?< qulstcjis. >. Wrctl yj yjur ur fisw fiswlrs lrs il ilftdy ftdy ci thl Fiswlr ^hllt prjv prjvcala. cala. 1. Mfr`s frl fwfrala bjr njrrlnt fiswlrs jidy. .

Bcvl nhcdarli wlrl stfiacig ci f rjw.  Fvlrcd stjja ilxt ilxt tj Ocddy. Lddli stjja ilxt tj Acifh. Nyocd stjja oltwlli Ocddy fia Lddli. Cb Acifh stjja ci thl bcrst pjsctcji, whj stjja ci thl bjurth b jurth pjsctcji:

1.

Lsthlr arlw < ocras ciscal f trcfigdl, 3 ocras ciscal f ncrndl fia 66 ocras ciscal f squfrl. Whlrl fia hjw mfiy mjrl ocras shjuda shl arfw sunh thft thlrl frl fs mfiy ocras jutscal thl squfrl fs thlrl frl jutscal thl ncrndl: Wrctl thl dlttlr O ft thl pdfnls whlrl Lsthlr shjuda arfw lfnh ocra.

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CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI

; cs jppjsctl ajt 6;7. Whcnh ajt cs jppjsctl ajt 67 stcn`lrs ji lfnh scal jb thl squfrl. 

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CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI

8.

Whft cs thl grlftlst iumolr jb jb Wlailsafys Wlailsaf ys whcnh nfi jnnur ci 1> njitciujus afys:

3.

Qhl bcgurl shjws f . Bjur ojys, _us, ^fm, Qcm fia Rfd, frl slftla ft lfnh jb jb thl bjur scals jb f squfrl tfodl. _us cs scttcig ji thl dlbt jb Rfd. Qcm cs ijt scttcig jppjsctl _us. Whj cs scttcig ji thl rcght jb ^fm:

61. Efmls, Mfrcfm, ^ctc fia Fdc tjj` pfrt ci f swcmmcig lvlit. Mfrcfm wfs 2 m olhcia Efmls fia Efmls wfs 8 m fhlfa jb ^ctc. Fdc wfs 7 m fhlfa jb ^ctc. Whj wfs slnjia ci thl rfnl:

6. Ft Ous ^tjp 1, hfdb thl iumolr jb pljpdl gjt jbb. Qhl ous aca ijt stjp ft Ous ^tjp < olnfusl ij jil wfitla tj glt ji jr jbb thl ous. Njmpdltl thl dcil grfph tj shjw thl iumolr jb pljpdl ji thl ous brjm ous-stjps > tj 6? 66

  l 6;    d   p   j 3   l   p 8    b   j 7   r   l    o 2   m   u <    I

1 > ? 6

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Ous ^tjps

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CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI

62. Foaud, Qjiy fia Murud nfught sjml bcsh. Fbtlr Foaud gfvl Murud 1 bcsh, fdd thrll ojys hfa lqufd iumolr jb bcsh. Qhl iumolr jb bcsh nfught oy Foaud cs shjwi ci thl ofr grfph oldjw. Arfw ci thl ofrs bjr thl iumolrs jb bcsh whcnh Qjiy fia Murud nfught.

6> 6? 66 6; 3 8 7 2 < 1 > ? 6

   h   s    c    b    b   j   r   l    o   m   u    I

 Foaud

Qjiy Murud

Ojys

67. Qhl als`s ci f ndfssrjjm frl frrfigla frrfigla ci strfcght rjws. Ejhi cs ci thl thcra rjw brjm thl brjit fia thl bjurth rjw brjm thl ofn`. Hl cs fdsj thcra brjm thl dlbt lia jb f rjw fia bcbth brjm thl rcght. Hjw mfiy als`s frl ci thl ndfssrjjm:

68. Frrfigl thl bjddjwcig bjddjwcig brfntcjis brfntcjis brjm thl smfddlst smfddlst tj thl dfrglst. 6;

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63.

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Lfnh jb jb thl scx scx pfrts, pfrts, F tj B, jb thl squfrl squfrl oldjw oldjw cs cs njdjurla uscig f acbblrlit njdjur. Qhl njdjurs frl rla, pci`, grlli, ylddjw, whctl fia odfn`. Qhl rla pfrt ajls ijt tjunh lcthlr thl grlli jr thl ylddjw pfrts lvli ft thl njrilrs fia thl whctl pfrt ajls ijt tjunh lcthlr thl pci` jr thl grlli pfrts lvli ft thl njrilrs. Cb pfrt L cs njdjurla whctl, whcnh pfrt cs njdjurla odfn`:

A L  F N B O

2

 

CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI

?;. Qhl tjtfd iumolr jb stjryojj`s thft Ejhi fia @li hfvl cs ?6. Whj hfs thl mjst iumolr jb ojj`s: Hjw mfiy ajls hl hfvl: 

^lntcji N

Vulstcjis ?6, ??, ?>, ?1 fia ?< nfrry 2, 7, 8, 3 fia 6; mfr`s rlsplntcvldy.

?6. Ci thl acfgrfm oldjw, f strfcght dcil cs arfwi arfwi ciscal f squfrl, acvcacig ct citj ? uilqufd pfrts. Arfw > mjrl strfcght dcils ciscal thl squfrl tj acvcal thl squfrl citj f tjtfd jb 66 uilqufd pfrts.

??. Bcvl brclias wfitla tj `ijw thl iumolr jb ofddjjis ci f ouinh, @frf gulssla ?6, Nfdcaf gulssla ?3, Luglil gulssla ?1 fia Afvca gulssla ?7. Qwj gulssls wlrl wrjig oy ?0 jil gulss wfs wrjig oy > fia jil gulss wfs wrjig oy 1. Jidy jil gulss wfs njrrlnt. Whj gulssla thl njrrlnt iumolr jb ofddjjis:

7

 

CIQL_IFQCJIFD ^CIGF[J_L MFQH^ NJM[LQCQCJI 6

?>. F ofg njitfcis 61; rla fia ylddjw ofdds. Fbtlr  jb thl rla ofdds fia 7 ylddjw ofdds wlrl 1

rlmjvla, thl iumolrs jb rla fia ylddjw ofdds rlmfcicig ci thl ofg wlrl thl sfml. Hjw mfiy ylddjw ofdds wlrl thlrl jrcgcifddy:

?1. Ffrji fia Hfrui hfa 63 njcis. Fbtlr Hfrui gfvl Ffrji ? njcis, Hfrui hfs 6 mjrl njci thfi Ffrji. Hjw mfiy njcis aca Hfrui hfvl ft bcrst:

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