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Wiskunde

Vermenigvuldiging en deling

Vermenigvuldiging

Opvoeders afdeling

Memorandum

Leerders afdeling

Inhoud

Aktiwiteit: om probleme in konteks op te los [lu 1.6]

Om ‘n reeks tegnieke te gebruik om berekeninge te doen [lu 1.10.1, lu 1.10.5]

1. Verdeel in groepe van drie. Vra jul opvoeder vir die nodige folio en bereken die antwoorde van die volgende probleme SONDER ‘n sakrekenaar:

    1. Die Johnny-gesin se telefoonrekening is elke maand ongeveer R376. Wat sal hulle min of meer in ‘n jaar vir die gebruik van die telefoon moet betaal?
    2. Mnr. Naidoo reis elke maand 795 km per motor vir sy werk. Wat is die afstand wat hy in een en ‘n halwe jaar sal aflê?
    3. Die Graad 7’s gaan toer en elke leerder moet R499 betaal. Watter bedrag sal 78 leerders altesaam betaal?
    4. Die “Ry Veilig” -taxi-groep vervoer passasiers teen R245 per passasier na ‘n sokkerwedstryd in Johannesburg. As 837 toeskouers van hul diens gebruik maak, watter bedrag betaal hul altesaam?
    5. ‘n Olifantkalfie weeg 932 kg. Hoeveel sal 348 olifante altesaam weeg?
  1. Kontroleer jul antwoorde met ‘n sakrekenaar.
  2. Verduidelik aan die res van die klas hoe julle groep die antwoorde bereken het.
  3. Vergelyk jul metodes. Hoe verskil hulle van mekaar?

GROEPASSESSERING

Beoordeel jul werk op ‘n skaal van 1 – 4 deur die toepaslike syfer te omkring:

  1. = benodig aandag

2 = redelik goed

3 = baie goed

4 = uitstekend

Kriteria

Alle groeplede het aan die aktiwiteite deelgeneem. 1 2 3 4
Lede van die groep het na mekaar geluister. 1 2 3 4
Groeplede het mekaar in die groep gehelp en aangemoedig. 1 2 3 4
Groeplede het by die opdrag gebly. 1 2 3 4
Elkeen het ‘n kans gekry om te praat. 1 2 3 4
Die groep se werk is netjies gedoen. 1 2 3 4
Die antwoorde is korrek bereken. 1 2 3 4

Assessering

Leeruitkomste 1: Die leerder is in staat om getalle en die verwantskappe daarvan te herken, te beskryf en voor te stel, en om tydens probleemoplossing bevoeg en met selfvertroue te tel, te skat, te bereken en te kontroleer.

Assesseringstandaard 1.6: probleme oplos in konteks, insluitend kontekste wat gebruik kan word om ‘n bewustheid van ander leerareas, asook van menseregte-, sosiale, ekonomiese en omgewingskwessies;

Assesseringstandaard 1.10: Dit is duidelik wanneer die leerder ‘n verskeidenheid tegnieke gebruik om sowel skriftelike as hoofberekeninge met heelgetalle te doen, insluitend:

1.10.1: vermenigvuldiging in kolomme;

1.10.5: gebruik van ‘n sakrekenaar.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
Maciej
characteristics of micro business
Abigail
for teaching engĺish at school how nano technology help us
Anassong
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
Do you know which machine is used to that process?
s.
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
Privacy Information Security Software Version 1.1a
Good
hoe werk werkbord in wiskunde
Nel Reply
werkbord
Nel Reply

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Source:  OpenStax, Wiskunde graad 6. OpenStax CNX. Sep 15, 2009 Download for free at http://cnx.org/content/col11072/1.1
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