Video: Dab tsi yog feem ntau manipulatives?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kev kawm feem ntau tuaj yeem ua rau muaj kev txaus ntshai rau ntau tus tub ntxhais kawm theem pib. Manipulatives yog txhua yam khoom uas tuaj yeem hloov kho lub cev los ntawm tus menyuam kawm ntawv nrog lawv txhais tes los pab lawv nkag siab thiab daws teeb meem. Feem ntau manipulatives yog cov cuab yeej kawm zoo heev thiab tuaj yeem faib ua plaub pawg.
Ib yam li ntawd, cov piv txwv ntawm manipulatives yog dab tsi?
Piv txwv ntawm kev lag luam manipulatives suav nrog unifix cubes; tangrams; Cuisenaire rods; numicon qauv; cov nplais xim; puag kaum blocks (tseem hu ua Dienes lossis multibase blocks); interlocking cubes; qauv blocks; xim chips; txuas; feem ntau strips, blocks, los yog pawg; Cov lej lej; Polydron; Zometool; rekenreks thiab
Ib yam li ntawd, dab tsi yog suav tias yog manipulatives? Manipulatives : Manipulatives yog cov cuab yeej ntawm kev qhia. Lawv koom nrog cov tub ntxhais kawm pom qhov muag thiab lub cev thiab suav nrog cov khoom xws li npib, blocks, puzzles, markers, thiab lwm yam.
Tsis tas li lo lus nug yog, dab tsi manipulatives tuaj yeem siv los qhia cov feem?
Chav Kawm Manipulatives Commercially ua fraction bars los yog fraction vuas zoo ib yam li ib feem voj voog tab sis muaj cov duab plaub. Koj tuaj yeem siv lwm yam khoom koj twb muaj hauv chav kawm, xws li cov blocks. Ib txheej ntawm cov blocks nrog ntau qhov sib txawv ua haujlwm zoo tshaj plaws.
Tus qauv manipulative yog dab tsi?
Manipulatives yog cov khoom siv lub cev uas siv los ua cov cuab yeej qhia los koom nrog cov tub ntxhais kawm hauv kev tes ntawm kev kawm lej. Lawv tuaj yeem siv los qhia, xyaum, lossis kho lub tswv yim. A manipulative tej zaum yuav yooj yim li nplej nplej los yog sophisticated li ib qauv ntawm peb lub hnub ci system.
Pom zoo:
Qhov feem ntawm 33 1 3 feem pua yog dab tsi?
Piv txwv tus nqi feem pua ntawm cov zauv feem 25% 0.25 1/4 331/3% 0.333 1/3 50% 0.5 1/2 75% 0.75 3/4
Dab tsi yog qhov pH ntau ntawm cov tshuab tsis siv neeg feem ntau?
Ntau lub tshuab buffering muaj nyob hauv lub cev uas pab tswj cov pH ntawm cov ntshav thiab lwm cov kua dej hauv qhov nqaim - nruab nrab ntawm pH 7.35 thiab 7.45. Ib qho tsis yog ib yam khoom uas tiv thaiv kev hloov pauv ntawm cov kua dej pH los ntawm kev nqus dej ntau dhau los yog hydroxyl ions
Dab tsi manipulatives yuav siv tau los qhia cov feem?
Chav Kawm Manipulatives Commercially ua feem bars los yog cov vuas feem ntau zoo ib yam li cov voj voog feem ntau tab sis muaj cov duab plaub. Koj tuaj yeem siv lwm yam khoom koj twb muaj hauv chav kawm, xws li cov blocks. Ib txheej ntawm cov blocks nrog ntau qhov sib txawv ua haujlwm zoo tshaj plaws
Yuav ua li cas koj sau ib feem raws li ib tug khoom ntawm ib tug tag nrho cov zauv thiab ib feem feem?
Cov cai los nrhiav cov khoom ntawm ib feem feem thiab tag nrho tus lej Peb xub sau tag nrho cov lej ua ib feem, piv txwv li, sau nws faib los ntawm ib qho; Piv txwv li: 7 yog sau ua 71. Peb mam li muab cov zauv. Peb muab cov denominators. Yog tias yuav tsum tau ua kom yooj yim, nws ua tiav thiab tom qab ntawd peb sau cov feem kawg
Qhov twg ntawm cov ntsiab lus hauv qab no feem ntau pom nyob rau hauv feem ntau cov chiv?
Cov tshuaj chiv niaj hnub suav nrog ib lossis ntau tshaj ntawm peb lub ntsiab lus tseem ceeb tshaj plaws hauv cov zaub mov noj: nitrogen, phosphorus, thiab potassium. Qhov tseem ceeb thib ob yog cov ntsiab lus sulfur, magnesium, thiab calcium