Math Quiz

a+b/ 2 =x මගින් දැක්වෙන සූත්‍රයේ a උක්ත කරන්න.

• 2x-b

• 2x+b

• x/2-b

• x/2+b

9x² -4 සාධක සොයන්න.

• (2x-2)(3x+2)

• (3x-2)(3x+2)

• (2x+4)(2x-3)

• (3x-2)(3x+3)

a&' 휀=* 10g wvq .Ksk ixLHd+ 퐴=* 10g wvq ixhq; ixLHd+ 퐵=* 1;a 10;a w;r mQ¾K j¾. ixLHd+ I.by;

퐴=* 10g wvq .Ksk ixLHd+ 퐴=* 10g wvq ixhq; ixLHd+ 퐵=* 1;a 10;a w;r mQ¾K j¾. ixLHd+ I.by; l=,l wjhj iys;j ,shd olajkak' ^, 03& II.by; l=,l ;=fkys wjhj ksjerÈj my; fjkarEm igyfkys olajkak' ^, 03& fjkarEm igyk weiqßka

u,ame< wf,úie,l Èk 25 l§ wf,úl, u,ame< ixLHd my; ±lafõ' 13 21 31 41 54 11 23 25 30 32 43 45 51 46 48 14 29 37 40 35 34 55 38 36 42 I.by; o;a;j, mrdih fidhkak' ^, 02& II.by; ±lafjk f;dr;=re 11-20" 21-30 ...........f,i mka;s m%dka;r fhdod .ksñka ixLHd; jHdma;shla f.dvk.kak' ^, 05& III.mka;s m%dka;rhl ;ru lSho@ ^, 01& IV.ud; mka;sh l=ulao@ ^, 01& V.uOHia: mka;sh l=ulao@ ^, 02& .KS;h - II fldgi m

a). 1 2 + 1 3 ÷ 1 5 6 + 2 3 iq`M lrkak' ^, 04& b). fjf

l). AB=8cm jk mßÈ AB f¾Ld LKavh ks¾udKh lrkak' B ,CIfha§ AB f¾Ldj iu. 45° fldaKhla idok f¾Ldj ks¾udKh lr" tu f¾Ldj u; BC=8cm jk mßÈ C ,CIHh ,l=Kq lrkak' ^, 04& ll). AC hdlr ABC ;%sfldaKh iïmq¾K lrkak' th l=uk

cm jk mßÈ AB f¾Ld LKavh ks¾udKh lrkak' B ,CIfha§ AB f¾Ldj iu. 45° fldaKhla idok f¾Ldj ks¾udKh lr" tu f¾Ldj u; BC=8cm jk mßÈ C ,CIHh ,l=Kq lrkak' ^, 04& ll). AC hdlr ABC ;%sfldaKh iïmq¾K lrkak' th l=uk j¾.fha ;%sfldaKhlao@ ^, 02& lll). A퐵 C fldaKfha iuÉfPaolh ks¾udKh lr tu iuÉfPaolh AC yuqjk ,CIHh O f,i ,l=Kq lrkak' ^, 03& lV). O flakaøho" OC wrho f,i f.k jD;a;hla ks¾udKh lrkak' tys wrh uek ,shkak' ^, 02& 3& a). I.ABCD u.ska ±lafjk iudka;rdi%fha j¾.M,h fidhkak' ^, 02& II.ℎ u.ska ±lafjk mdofha w.h fidhkak' ^, 02& b). 50m la È. 30m m<, iDcqfldaKdi%dldr bvul my; rEmfha mßÈ jD;a;dldr fmdl=Kla iE§ug iïm;a fhdackd lrhs' I.iDcqfldaKdi%dldr bvfï j¾.M,h fidhkak' ^, 02& II.jD;a;dldr fmdl=fKa j¾.M,h fidhkak' ^, 02& III.fmdl=K yer b;sß fldgfia ;Kfld, isgqùug 1m 2 g re:50 ne.ska re:60 000 lg jvd jeh jk nj iïm;a mjihs' tys i;H wi;H nj fya;= olajñka ,shd olajkak' ^, 03& > > 10푐 A B D 24푐푚 C ℎ 12푐푚 E 7m . 30m 50m Page 6 of 6 09 fY%aKsh - .Ks;h 6& a). 2푥−푦=3 푥+푦=6 iu.dó iólrK úi`okak' ^, 04& b). 푦=2푥−3 Y%s;fha m%ia;drh we`§ug ilia l, wiïmq¾K w.h j.=jla my; ±lafõ' 푥 -1 0 1 2 3 푦 ...... -3 -1 ...... 3 I.j.=fõ ysia;eka iïmQ¾K lrkak' ^, 02& II.by; j.=j Ndú;d lr 푦=2푥−3 Y%s;fha m%ia;drh w`Èkak' ^, 03& III.by; ir, f¾Ldjg iudka;r jQ wka;:LKavh +1 jQ ir, f¾Ldfõ iólrKh ,shkak' ^, 02& Page 1 of 7 m

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