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Wiskunde

Meetkunde, datahantering en waarskynlikheid

Meetkunde

Opvoeders afdeling

Memorandum

1.

1.1 Lyn ewe ver middelpunt gebrek

2.

2.1 180

2.2 1

2.3 360

Leerders afdeling

Inhoud

Aktiwiteit: om 2-dimensionele vorms te ondersoek en te vergelyk [lu 3.3.3]

‘n Kykie na sirkels

1. Kyk goed na die skets en beantwoord dan die vrae:

RQ = Middelyn

SP = Straal

1.1 Wat is ‘n sirkel?

_____________________________________________________________________

1.2 Waar, in ons alledaagse lewe, kry ons met sirkels te doen?

_____________________________________________________________________

_____________________________________________________________________

2. Beantwoord die volgende vrae:

2.1 Hoeveel middellyne kan ‘n sirkel hê? ___________________________

2.2 Hoeveel middelpunte kan ‘n sirkel hê? __________________________

2.3 Hoeveel strale (radius) kan ‘n sirkel hê?__________________________

3. Gebruik jou passer en trek ‘n sirkel met ‘n:

3.1 straal van 30 mm

3.2 middellyn van 80 mm

HET JY GEWEET?

Ons kan pragtige patrone met sirkels trek! Die patroon hieronder word “Paisley” genoem en word op klere of stukke lap gebruik.

4. Kan jy sien hoe die patroon geteken is? Probeer dit self!

5. Volg die volgende stappe en gebruik dan hierdie metode om die volgende patrone te teken. Jou opvoeder sal die nodige folio verskaf:

Teken ‘n sirkel

Gebruik dieselfde straal om die omtrek af te merk

Verbind nou die punte (indien nodig)

5.1

5.2

5.3

5.4

6. Ontwerp nou jou eie sirkel-patroon! Kleur dit netjies in:

Tyd vir selfassessering

Dit is belangrik dat ons sal weet of jy die werk wat ons tot dusver gedoen het, goed verstaan. Lees die onderstaande kriteria. Evalueer jouself op ‘n skaal van 1 – 4 deur ‘n sirkel om die toepaslike syfer te trek.

Kriteria 1 = Glad nie.2 = Net ‘n bietjie (min).3 = Goed.4 = Uitstekend.
Ek kan die term “ewewydig” verduidelik. 1 2 3 4
Ek kan die verskil tussen ‘n lyn en ‘n lynstuk verduidelik. 1 2 3 4
Ek kan die volgende begrippe verduidelik:
* skerphoek; 1 2 3 4
* stomphoek; 1 2 3 4
* regte hoek. 1 2 3 4
Ek kan hoeke akkuraat:
* met ‘n gradeboog meet; 1 2 3 4
* met ‘n gradeboog trek. 1 2 3 4
Ek kan die ooreenkomste tussen ‘n reghoek en ‘n parallelogram noem. 1 2 3 4
Ek kan die verskille tussen ‘n reghoek en ‘n parallelogram noem. 1 2 3 4
Ek kan die begrip “simmetries” verduidelik. 1 2 3 4
Ek kan die term “rotasie-simmetrie” verduidelik. 1 2 3 4
Ek kan die volgende begrippe verduidelik:
* straal; 1 2 3 4
* middellyn. 1 2 3 4
Ek kon die figure vergroot en verklein. 1 2 3 4
Ek kan patrone met sirkels teken. 1 2 3 4

Kom ons kyk na 3-Dimensionele figure.

Jy het seker al baie met ‘n dobbelsteen gespeel. Kyk of jy jou eie een kan maak. Trek die volgende ontvouing net so af. Knip dit uit en vou jou dobbel-steen. Skryf dan die nommers 1 – 6 op die kante. Onthou dat die nommerpare (1,6); (3,4) en (2,5) op die teenoorgestelde kante moet wees.

HET JY GEWEET?

Die dobbelsteen wat jy so pas gemaak het, is ‘n voorbeeld van ‘n kubus .

Kyk ook goed hierna:

Assessering

Leeruitkomste 3: Die leerder is in staat om eienskappe van en verwantskappe tussen twee-dimensionele vorms en drie-dimensionele voorwerpe in ‘n verskeidenheid oriënta­sies en posisies te beskryf en voor te stel.

Assesseringstandaard 3.3: Dit is duidelik wanneer die leerder twee-dimensionele vorms en drie-dimensionele voorwerpe wat in hierdie graad bestudeer word, ondersoek en vergelyk (individueel en/of as lid van ‘n groep), volgens die bostaande eienskappe deur die volgende te doen:

3.3.3: gebruik ‘n passer om sirkels, patrone in sirkels en patrone met sirkels te teken.

Questions & Answers

what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
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 did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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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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