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Getalbegrip, optelling en aftrekking


Opvoeders afdeling


2.1 Priemgetalle: 11; 13; 17; 19

2.2 Ewe Getalle: 8; 10; 12; 14

2.3 Veelvoude van 6: 6; 12; 18; 24; 30; 36

2.4 Telgetalle: 0; 1; 2; 3; 4; 5; 6

2.5 Faktore van 24: 1; 2; 3; 4; 6; 8; 12; 24

3.1 * 44

3.2 12

3.3 10

3.4 5

Leerders afdeling


Aktiwiteit: om getalle te herken en voor te stel ten einde hulle te beskryf en te vergelyk [lu 1.3.6, lu 1.3.7]

1. Aan die begin van Graad 5 (Module 1) het jy deeglik gekyk na veelvoude, faktore en priemgetalle. Onthou jy nog wat elkeen is? Kom ons hersien!

Verduidelik aan ’n maat die verskil tussen ’n VEELVOUD, ’n FAKTOR en ’n PRIEMGETAL.

Let op!

Veelvoude van 5 = 5 ; 10 ; 15 ; 20 ; ens.

Ons tel dus in vywe

Faktore kan presies in ’n getal indeel.

Die faktore van 12 = 1 ; 2 ; 3 ; 4 ; 6 ; 12

’n Priemgetal het slegs 2 verskillende faktore,

bv. 2 se faktore : 2 en 13 se faktore : 3 en 15 se faktore : 5 en 1

Onthou jy nog?

Jy kan die konstante funksie op jou sakrekenaar gebruik om die veelvoude van ’n getal te bereken! Bv., vir die veelvoude van 4, sleutel soos volg in:

4 + + = = = = = =

  • Gebruik jou sakrekenaar om die veelvoude van 13, 15 en 24 te bepaal.

2. Trek lyne sodat elke beskrywing in kolom A pas by die getalle in kolom B:

Kolom A Kolom B
2.1 Priemgetalle 8 ; 10 ; 12 ; 14
2.2 Ewe getalle 1 ; 2 ; 3 ; 4 ; 6 ; 8 ; 12 ; 24
2.3 Veelvoude van 6 0 ; 1 ; 2 ; 3 ; 4 ; 5 ; 6
2.4 Telgetalle 11 ; 13 ; 17 ; 19
2.5 Faktore van 24 6 ; 12 ; 18 ; 24 ; 30 ; 36

3. Werk saam met ’n maat en los die volgende raaisels op:

Watter getal is ek?






Leeruitkomste 1: Die leerder is in staat om getalle en hul verwantskappe te herken, te beskryf en voor te stel. Hulle kan ook met bekwaamheid en vertroue tel, skat, bereken en kontroleer tydens die oplos van probleme.

Assesseringstandaard 1.3: Dit is duidelik wanneer die leerder die volgende ware getalle herken, klassifiseer en voorstel om hulle te beskryf en te vergelyk

1.3.6: veelvoude en faktore van minstens enige 2- en 3-syferheelgetal;

1.3.7: priemgetalle tot minstens 100.

Questions & Answers

what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
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
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
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.
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
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
characteristics of micro business
for teaching engĺish at school how nano technology help us
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
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
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.
what is the actual application of fullerenes nowadays?
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.
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.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
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.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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hoe werk werkbord in wiskunde
Nel Reply
Nel Reply

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