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Wiskunde

Vermenigvuldiging en deling

Deling

Opvoeders afdeling

Memorandum

TOETS

1. a) die getal self

  1. halveer

2.

3. a) = 2 500 size 12{ div } {} 50

= 50

b) = 3 600 size 12{ div } {} 30

= 120

1264

26 32876 ¯ size 12{"26" {\lline overline "32876"} } {}
-26 68 -52 167 -156 116 -104 121 264 res 12

4.

5.

  • 242
  • 36

(een rol ekstra is nodig)

Leerders afdeling

Inhoud

Aktiwiteit: om hoofrekene te doen [lu 1.9.3]

  • Kom ons speel ’n speletjie!

Speel saam met ’n maat. Julle het ’n dobbelsteen en 16 merkers vir elkeen nodig. Maak ook vir julle twee borde van stywe karton wat so lyk:

  • Elke speler skryf nou die volgende getalle in op sy/haar bord. Jy mag hulle plaas net waar jy wil.

20 ; 24 ; 32 ; 39 ; 40 ; 41 ; 48 ; 57 ; 59 ; 61 ; 66 ; 68 ; 69 ; 79 ; 86 ; 90

  • Wanneer julle gereed is, gooi nr. 1 die dobbelsteen.
  • Die getal wat op die dobbelsteen verskyn , is die RES wat jy kry as jy ’n getal op die bord deel deur 7 . Maak daardie getal toe met een van jou merkers. Maak beurte om te speel. Die een wie se bord eerste vol merkers is, is die wenner.

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 1.9: Dit is duidelik wanneer die leerder handberekeninge uitvoer wat die volgende behels:

1.9.3: (addisioneel) deling met klein getalle.

Toets 20

1. Vul die ontbrekende antwoorde in:

1.1 Enige getal gedeel deur 1 is ___________________________________

1.2 As ons ’n getal deur 2 deel, sê ons ons ________________________

die getal. (2)

2. Voltooi die volgende vloeidiagramme:

(3)

3. Skat die kwosiënt deur eers die deeltal af te rond tot die naaste 100 en dan die deler tot die naaste 10:

3.1 2 468 ÷ 47 = __________________________________________

= _______________________________________(2)

3.2 3 639 ÷ 33 = __________________________________________

= _______________________________________(2)

4. Valerie moes die volgende bereken: 32 876 ÷ 26. Sy het begin, maar kon toe nie verder nie. Voltooi die som vir haar.

1
2 6 3 2 8 7 6
- 2 6

_______________________________

_______________________________

_______________________________

_______________________________

_______________________________

_______________________________

_______________________________

_______________________________ (3)

5. Bereken die volgende sonder ’n sakrekenaar:

5.1 ’n Vrugtesmous koop 8 498 appels en pak dit in bokse van 35 elk. Hoeveel bokse het hy nodig?

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________ (4)

5.2 Hoeveel rolle ogiesdraad is nodig om ’n kamp van 1 598 m te omhein as elke rol 45 m draad bevat?

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________

__________________________________________________________ (4)

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
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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