Txhua tus niam txiv yuav tsum nkag siab tias qhov kev paub zoo tshaj plaws uas tau txais hauv qib thawj yog lub sijhawm los ua kom tiav tag nrho cov khoom siv hauv tsev kawm ntawv.
Pib tsev kawm ntawv, koj yuav tsum tau qhia koj tus menyuam kom daws tau qhov piv txwv rau qib 1 hauv lej kom raug thiab sai sai.
Tus yam ntxwv ntawm kev xav yuav tsum xav li cas?
Txhua yam haujlwm thiab cov piv txwv rau qib thawj hauv lej yuav tsum tau tsim los ua haujlwm nrog kev pabcuam pom. Tus me nyuam hnub nyoog 5-7 xyoos tsis tau tsim kev xav, yog li nws nyuaj rau nws ua haujlwm nrog kev sib ntxiv thiab rho tawm hauv nws lub siab.
Txhawm rau pab tus menyuam kom nkag siab lub ntsiab lus ntawm qhov kev ua no, koj yuav tsum siv cov khoom suav. Nws tuaj yeem yog cov nplaum zoo tib yam, ntais ntawv, xaum. Nws yuav zoo dua thiab nthuav ntxiv rau tus menyuam los daws cov piv txwv rau qib thawj hauv lej yog tias qhov xwm txheej yog raws li cov nyiam tas luav.
Kev ua li no yuav tsum ua thiab ua tau los ntawm txhua tus niam txiv. Nws txaus los thaij duab, phaib nrog koj nyiam cov dab neeg dab neeg,kab tsheb, menyuam roj hmab hauv kab thiab ua piv txwv ntxiv thiab rho tawm. Qhov kev ua si daws tej yam piv txwv lossis teeb meem sai thiab yooj yim. Maj mam, cov kev ua no yuav raug coj mus rau qhov tsis siv neeg, thiab tus menyuam yuav nco qab qhov kev rho tawm thiab ntxiv rau hauv kaum.
Qhov tseem ceeb kom paub! Ib qho yuam kev loj uas niam txiv ua yog suav rau lawv tus ntiv tes. Nws yog tsis yooj yim sua kom qhia ib tug me nyuam xws li ib tug account. Nyob nruab nrab ntawm qib 1, cov piv txwv lej yuav muaj ntau yam ua, suav nrog kev txav mus los ntawm kaum ob. Yog tias nyob hauv tsev tus menyuam kawm ntawv tuaj yeem pom cov ntiv tes thiab cov ntiv taw, daws cov piv txwv, tom tsev kawm ntawv yuav tsis muaj qhov ua li no.
Math (First Grade): Piv txwv
Cov me nyuam yuav tsum ua piv txwv li cas? Dab tsi yog qhov zais cia rau kev suav ceev?
Ua ntej, tus menyuam kawm ntawv yuav tsum muaj peev xwm tsis tsuas yog ntxiv lossis rho tus lej xwb, tab sis kuj nkag siab meej cov ntsiab lus ntawm "tag nrho", "sum", "difference". Txhua lub tswv yim tom qab no yuav ua lub luag haujlwm tseem ceeb hauv kev daws teeb meem.
Thib ob, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov lub rooj ntawm cov khoom ntawm tus lej. Nyob rau hauv lub neej yav tom ntej, nws yuav pab tau koj sai sai daws cov piv txwv ntawm thawj kaum thiab ntxiv los yog rho nrog cov kev hloov mus rau lub kaum.
Muab piv txwv rau koj tus menyuam los ntawm hom:
2+2; 4+3; 7+3; 8+2; 10–3; 5-2.
Pab kom nco qab cov ntsiab lus ntawm tus lej piv txwv ntawm hom no:
… +3=10; 5+…=8; 10…=7; 8-=6; -2=4; 4+…=7.
Muab sijhawm rau koj tus menyuam kom tau txais kev paub hauv qhov kev ua si, nco ntsoov cov ntsiab lus ntawm tus lej thiab ntxiv, rho tawm, lom zem.
Ib chav kawm. lej. Piv txwv thiab ua haujlwm
rau ib tug tub kawmdaws teeb meem sai sai, koj yuav tsum tau soj ntsuam nrog nws tag nrho cov ntsiab lus dav dav uas yuav yog cov teeb meem tseem ceeb hauv qhov xwm txheej. Nws yuav tsum nkag siab lub ntsiab lus ntawm cov kab lus "ntau npaum li cas", "ua ke", "ntxiv". Lawv yuav xav tau qhov sib ntxiv ntawm cov lej muaj txiaj ntsig hauv qhov teeb meem. Nyob rau hauv cov ntaub ntawv ntawm lub xub ntiag ntawm cov nqe lus "sib txawv", "ntau npaum li cas", "ntau npaum li cas" - qhov no yog qhov kev txiav txim ntawm rho.
Qhia daws teeb meem hauv daim ntawv ntawm kev ua si. Piv txwv li:
- Txiv Frost yuav 5 lub tsheb hauv khw. Nws muab 1 tug ntawm lawv rau Sasha, thib ob rau Misha, thiab tag nrho cov seem uas nws coj tuaj rau koj tus menyuam. Koj tus menyuam tau txais pes tsawg lub tsheb?
- Niam nqa khoom qab zib los tsev 2 kg, txiv coj los tsev 3. Niam txiv nqa khoom qab zib rau tsev?
- Luntik tau txais 10 khoom qab zib los ntawm cov nyom nyom Kuzi. Nws muab 5 rau Mila, 3 rau nws pog Cape. Luntik tshuav pes tsawg khoom qab zib?
Cov teeb meem thiab cov piv txwv rau qib thawj hauv kev ua lej yog lub hauv paus uas yuav pab koj tom qab tau txais kev paub thiab muaj txiaj ntsig zoo rau hauv koj cov kev kawm.
