Multiplication da wani shafi. Multiplication da rabo daga wani shafi

A shekara ta uku ta makarantar firamare yara suna fara koyon Vnetablichnoe lokuta na multiplication da division. Lambobi a cikin dubu - abu a kan abin da akwai rinjãye da topic. Shawarar shirin rarraban ya riɓaɓɓanya aiki da kuma sau uku-lambobi lambobin don samar da unambiguous misali. A lokacin aikin a kan jigo na malamin fara da nunawa a cikin yara wannan muhimmanci fasaha kamar yadda multiplication da kuma dogon division. A karo na hudu sa fasaha aiki fita ya ci gaba, amma ya yi amfani da lamba abu a cikin miliyan. Division da multiplication da aka yi a cikin wani shafi a kan babban lambobin.

Mene ne dalilin da multiplication

Akidar matsayi a kan abin da multiplication algorithm multivalued lambar a multivalued ne guda kamar yadda idan aiki a kan-daya. A hakkokin jin dadin da yara, akwai da dama. Da suka kasance sunã "bayyana" da dalibai a cikin na uku sa.

A farko mulki ne bitwise. Na biyu kunshi a yin amfani da wata multiplication tebur ga kowane sallama.

Lura cewa wadannan jagororin suna wuya a lokacin da yin wani aiki da Multi-lambobi.

Rubuce wadannan misali zai taimake ka ka fahimci abin da yake a kan gungumen azaba. Ya ɗauka bukatun 80 x 5 x da kuma 80 da 50.

A farkon yanayin, dalibi yana zaton haka: 8 dozin kamata a maimaita sau 5, zai samu wannan scores, kuma za a yi 40 a matsayin 8 x 5 = 40, 40 dozin - shi ne 400, don haka 80 x 5 = 400. A algorithm ne mai sauki, kuma hujjõji bayyanannu yaro. Idan akwai wani matsala, ya iya samun sakamakon da amfani da sakamako na Bugu da kari. Yadda za a maye gurbin ninka-tara aiki kuma za a iya amfani da su tabbatar da nasu lissafin.

Don samun tamanin da biyu magana ne ma dole ya yi amfani da tabulated hali da kuma 8 x 5. Amma abin da category zai kasance a samu 40 raka'a? The tambaya ga mafi yara ne har yanzu a bude. Kudin shiga maye gurbin multiplication sakamako daga cikin Bugu da kari a cikin wannan yanayin ne m, tun da Naira Miliyan Xari za su kasance 50 sharuddan, don haka amfani da shi don samun sakamakon ba zai yiwu. Ya bayyana cewa ilimi don warware misali bai isa ba. A fili, akwai wasu dokoki na halitta Multi-lambobi lambobi. Kuma suna bukatar da za a gano.

The hadin gwiwa kokarin da malamin da kuma yara, a fili yake cewa ga multiplication na multivalued lambar a multivalued zama dole fasaha don amfani da associative dokar, a cikin abin da daya daga cikin abubuwan maye gurbin samfurin (80 x 50 = 80 x 5 x 10 = 400 x 10 = 4000)

Bugu da kari, da zai yiwu hanya lokacin amfani da raba dokar multiplication kan Bugu da kari ko subtraction. A wannan yanayin, daya daga cikin abubuwan da dole ne a maye gurbinsu da Naira Miliyan Xari biyu ko fiye da sharuddan.

Research aiki na yara

Almajirin hidima quite da dama misalai na irin wannan. Yara kowane lokaci na kokarin samun sauki da kuma sauri hanyar warware, amma daga su duka lokacin da ka bukatar ka tura mafita rikodi da ci gaban ko cikakken fi'ili bayani.

Malamin ya yi wannan, biyu dalilai. Na farko, yara suna sane, babban aikin fitar da hanya na aiki na multiplication da dama da Multi-mai daraja. Na biyu, ya zo da fahimtar cewa, hanyar rubuta irin wannan bayanin a wuri ne sosai m. Akwai zo a daidai lokacin da dalibai kansu miƙa rubuta wani multiplication a cikin wani shafi.

Matakai na karatu multiplication da Multi-mai daraja da lambar.

A methodical shawarwari da nazarin wannan topic ne yake aikata a dama, saukarwa. Su bi daya bayan daya, kunna da dalibai su fahimci cikakken ma'anar diddigin ayyuka. List of bulan na malamin yana buɗewa da sauran hoto na aikace-aikace tsari da kayan yara:

• m search dalibai hanyoyin da za a sami dabi'u na samfurin na Multi-mai daraja ninkãwa.
• don magance matsalar ta amfani da associative dukiya, kazalika da multiplication naúra da zeros.
• halitta gwaji na fasaha a zagaye lambobi.
• amfani a cikin lissafin a kan raba dukiya na multiplication Bugu da kari kuma subtraction.
• multivalued ake gudanar da multiplication da lambobi a cikin wani shafi.

Bi wadannan matakai, malamin dole ne kullum kula da yara a kusa da ma'ana dangane da baya koya kayan da aka ƙware a wani sabon topic. Dalibai ba kawai tsunduma a cikin multiplication, amma kuma koyi kwatanta, zana karshe da yin yanke shawara.

Ayyuka na multiplication a makarantar firamare

Malam, koyar da lissafi, sanin cewa akwai wani zai zo lokacin da huɗu-graders da tambaya game da yadda za a magance wani shafi multiplication na Multi-lambobi lambobi. Kuma idan ya da kuma almajiransa a lokacin da shekara uku na horon - a 2, 3, da 4 azuzuwan - purposefully da thoughtfully karatu da takamaiman ma'anar multiplication da dukkan tambayoyi cewa suna hade da wannan aiki, da matsaloli a cikin ci gaban da topic na yara ya kamata bayyana.

Abin da ayyuka da aka a baya jawabi dalibai da su malami?

1. Mastering da multiplication tebur na lokuta, cewa shi ne, samun sakamakon a wani guda mataki. A da ake bukata na shirin ne domin a kawo basira don automaticity.
2. A multiplication da babban lambobin on-daya. A sakamakon samu ta hanyar maimaita matakai, wanda yara sun riga sun mallaki a kammala.
3. Multiplication na multivalued lambobi a kan wani multivalued yi ta maimaitawa da matakai kayyade a sakin layi na 1 da kuma 2. A karshe sakamakon da aka samu ta hanyar hada da matsakaiciyar hulda dabi'u da kuma bai cika kayayyakin da jini.

Amfani da multiplication Properties

Kafin wadannan shafukan zai bayyana littafi misalai halitta shafi 4 aji kamata sosai koyi yadda za a yi amfani da sarrafa kwamfuta streamline da associative da kuma raba dukiya.

By lura da kwatancen na dalibai zo ga ƙarshe cewa associative dũkiyar multiplication samu samfurin na Multi-lambobi lambobin amfani kawai idan daya daga cikin abubuwan da za a iya maye gurbinsu da wani samfurin na daya lambar lambobi. Kuma shi ne ba ko da yaushe zai yiwu.

Raba dukiya na multiplication a cikin wannan hali abubuwa a matsayin duniya. Yara lura da cewa factor iya ko da yaushe a maye gurbinsu da Miliyan Xari ko bambanci, don haka da dukiya da ake amfani da bayani daga kowane misali a cikin multiplication na multidigit lambobi.

Shikenan lissafin rikodi aiki na multiplication a cikin wani shafi

Record halitta shafi ne mafi m dukan. Koyar da yara to irin wannan zane fara da bambance-bambancen karatu ninka babban lambobin a kan lambobi.

Yara ana kiran su zuwa haifar da nasu aikace-aikace don yin multiplication. Ilimi na wannan algorithm zai tabbatar da nasara da fasaha samuwar. Saboda haka, malamin bai bukatar zuba jari lokaci da kuma kokarin yin kowane kokarin tabbatar da cewa kisa domin na ayyuka idan yawaita a cikin wani shafi da aka koya da yara a matsayin "m".

Darussan for fasaha samuwar

Da farko, ya kamata a lura da cewa misalai na multiplication a shafi, ya miƙa yara daga darasi ga darasi wuya. Bayan samun matsahi na saba da multiplication da wani biyu lambar yawan yara koyi sarrafa uku-lambobi, hušu zuwa takwas lambar.

Domin aiki misalai na fasaha rangwame da shirye bayani amma daga gare su, da gangan shirya rikodin kurakurai. The aiki na dalibai ne a gane malfunctioning, bayyana dalilin da suke bayyanar da daidai rikodin.

Yanzu, don warware matsaloli, lissafai, da kuma duk sauran ayyuka inda shi wajibi ne a gudanar da wani multiplication na Multi-lambobi lambobi, rajista ake bukata da dalibai rubuta a shafi.

A ci gaba da fahimi ACU a cikin binciken na topic "ninka da lambobin a shafi"

Da yawa da hankali a cikin aji, a kan nazarin wannan topic, ba don ci gaban fahimi ayyuka kamar gano hanyoyi daban-daban don warware wannan matsala, da zabi daga cikin mafi m liyafar.

Amfani haihuwarka domin tattaunawa, da dalilin da dalili-sakamako dangantaka, bincike na lura abubuwa dangane da zabi muhimmanci fasali - wani rukunin kafa na fahimi basira a cikin binciken na da taken "The multiplication a shafi."

Koyar da yara da hanyoyi na rarraba Multi-lambobi lambobin da rajista shafi rikodi ne da za'ayi kawai bayan yara koyi ninka.