Lakkoofsaa

Shaakala Shallaggii sammuu

Herrega ariifataa fi sirrii: dhibbantaa, gahee (fraction) fi ida'ama tarkaanfii hedduu. Saffisni karaa gabaabaa irraa dhufa malee shallaguu ariifachuu irraa miti.

120 keessaa 0 xumurame

Deebii shallagi

1020 keessaa 5% meeqa?

Deebii tokko filadhu

Gaaffileen 10 jalqabaa ramaddii hundaa bilisa.

Gorsa Shallaggii sammuu

Geengoomsi, shallagi, achiis sirreessi: 49 × 6 = 50 × 6 − 6.
10% salphaa dha — dhibbantaawwan biroo isa irraa ijaari (15% = 10% + 5%).
Dursa deebiiwwan dijiitii dhumaa dogoggoraa ykn guddina dogoggoraa qaban balleessi.

Fakkeenyota furaman: Shallaggii sammuu

Gaaffiiwwan gosa kanaa sadii furaman. Dursa tokkoon tokkoon isaa yaali, achiis deebii fi akkaataa itti argamu dubbisi.

Fakkeenya 1

Deebii shallagi

440 keessaa 30% meeqa?

Deebii sirrii: C

Akkamitti furama

30% jechuun 100 keessaa 30 jechuu dha, kanaaf 30/100 wajjin baay'isi. 440 × 30 = 13200, achiis 13200 ÷ 100 = 132.

Fakkeenya 2

Deebii shallagi

840 keessaa 1/3 meeqa?

Deebii sirrii: C

Akkamitti furama

Qooda walqixa 3 tti qoodi, achiis isaan keessaa 1 fudhadhu. 840 ÷ 3 = 280, achiis 280 × 1 = 280.

Fakkeenya 3

Deebii shallagi

108 keessaa 2/3 meeqa?

Deebii sirrii: B

Akkamitti furama

Qooda walqixa 3 tti qoodi, achiis isaan keessaa 2 fudhadhu. 108 ÷ 3 = 36, achiis 36 × 2 = 72.