Slide 2:
nyq wi%j, fldaK
o;a; ks?mKh
øj âkqà
o¾Yl
l=,l
ïoHd;aul wxlkh mgqk
nyq wi%h ye|skaë˜ :
nyq wi%h ye|skaë˜ nyq wi%h ye|skaë˜ mdo .kK 01 nyq wi%fha ku 3 ;%sfldakh p;=ri%h mxpdi%h
Ivi%h
ima;di%h
wIaGdi%h
kjdi%h
oYdi%h 4 5 6 7 8 9 10
o;a; ksrEmKh :
o;a; ksrEmKh 02 mdmeos mhska Lifhka jEka Lifhka mhska jEka mdmeos 900 1000 800 900
øj âKqà :
øj âKqà 03 01.my; cm3 j,ska ° we;s w.hka ml j,g m¯j¾;kh lrkak (1) 150cm3 = 150ml (2) 270cm3 = 270ml (3) 350cm3 = 350ml (4)1250cm3 =1250ml 02. my; cm3 j,ska ° we;s w.hka l j,g m¯j¾;kh lrkak (1) 2000cm3 = 2l (2) 5000cm3 = 5l (3) 4500cm3 = 4.5l (4) 7750cm3 = 7.75l 03. my; l j,ska ° we;s w.hka cm3 j,g m¯j¾;kh lrkak (1) 2l =2000cm3 (2) 4l =4000cm3 (3) 7l = 7000cm3 (4) 9l = 9000cm3 04. my; ml j,ska ° we;s w.hka cm3j,g m¯j¾;kh lrkak (1) 450ml = 450cm3 (2) 600ml = 600cm3 (3) 200ml = 200cm3 (4) 540ml = 540cm3
orAYl :
orAYl 04 orAYl kS;s (1jk kS;sh) ax x ay = ax+y 01. orAYl kS;s weiqfrka iq,q lrkak (1) a7xa5 =a12 (2) p4xp9 =p15 (3)m4xm6 =m10 (4) n6xn3 =n9 orAYl kS;s (2jk kS;sh) 02. orAYl kS;s weiqfrka iq,qq lrkak (1) a6÷a3 =a3 (2) s9÷s5 =s4 (3) m4÷m2 =m2 (4)n9÷n8 =n1 ax÷ay = ax-y
l=,l :
l=,l 05 01 my; iuqy w;¯ka l=,l jYfhka ye|skajsh yels tajd f;darkak
(i) isjqmd i;=ka = l=,lhla fë
(ii) l,q âksiqka = l=,lhla fkdfë
(iii) i;sfha ojia = l=,lhla fë
(iv)10g wvq brêfê ixLHd = l=,lhla fë
(v) wfma mka;sfha <uhs = l=,lhla fë
(vi) 20g wvq T;af;a ixLHd = l=,lhla fë
(vii) iq¥ <uhs = l=,lhla fkdfë
(viii) olaI <uhs= = l=,lhla fkdfë
ïoHd;aul wxlkh :
ïoHd;aul wxlkh 01. my; oelafjk ixLHd ïoHd;aul wxlkfhka ,shkak
21000 = 2.1 x 104
(ii) 2100 = 2.1 x 103
210 = 2.1 x 102
(iv) 21 = 2.1 x 101
(v) 2.1 = 2.1 x 100 06 02. my; oelafjk ixLHd ïoHd;aul wxlkfhka ,shkak (i) nqO = 57900000km = 5.79x107km (ii) isl=/ = 1080000km =1.08x106km
(iii) w.y/ = 2280000km = 2.28x106km (iv) n%yiam;s = 6400km = 6.4x103km
(v) fikiq/ = 875000000km =8.75x108km
Slide 9:
Arjuna Suranjith
9/B
Kadawatha M.M.V ia;+;shs