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Wiskunde

Getalbegrip, optelling en aftrekking

Opvoeders afdeling

Memorandum

1. 11; 25; 6; 12; 11; 15; 27; 34

24; 8; 14; 9; 17; 13; 11; 12

2.

2.1 519; 527; 535; 543

2.2 825; 810; 795; 780

2.3 3 770; 3 779; 3 797; 3 806

2.4 99 800; 9 760; 9 640; 9 600

3.

3.1 3 003; 333; 330; 303; 33

3.2 6 666; 6 606; 6 600; 6 060; 6 006

LEERDERS AFDELING

Inhoud

Aktiwiteit: om jou vaardigheid in hoofreken te verbeter [lu 1.9]

Om numeriese patrone te ondersoek en uit te brei [lu 2.1]

1. Dit gebeur baie met ‘n mens dat jy vinnig moet kan dink en daarom is hoofreken-vaardighede baie belangrik. Kom ons kyk of jy vinniger as jou maat kan werk! Werk in pare en kyk wie die antwoord eerste kan gee. Begin elke keer by die pyltjie en werk kloksgewys.

ONTHOU JY NOG?

Getalrye kan soms baie interessante patrone vorm. As ons bv. by 350 begin en elke keer 15 bytel, lyk die patroon so:

350 ; 365 ; 380 ; 395 ; 410

2. Getalrye het altyd die een of ander numeriese patroon. Ondersoek die volgende patrone en kyk of jy die getalrye korrek kan voltooi. (Gebruik jou sakrekenaar om te kontroleer of jy reg gewerk het.)

2.1 495 ; 503 ; 511 ; _________ ; _________ ; . _________ ; _________

2.2 870 ; 855 ; 840 ; _________ ; . _________ ; . _________ ; _________

2.3 3 752 ; 3 761 ; _________ ; _________ ; 3 788 ; _________ ; _______

2.4 _________ ; _________ ; 9 720 ; 9 680 : _________ ; _________

3. In ons alledaagse lewe is dit baie belangrik om getalle korrek te kan lees en uit te spreek. Ons moet ook weet watter getalle is groter/kleiner as ander. Dink maar net aan hoeveel keer per dag jy met geld werk! As jy bv. R220 spaar, wil jy tog nie hê dit moet as R202 in jou bankrekening aangeteken word nie! Kyk goed na die volgende getalle en rangskik hul dan van GROOT na KLEIN:

3.1 303 ; 330 ; 333 ; 33 ; 3 003

_____________________________________________________________________

_____________________________________________________________________

3.2 6 006 ; 6 600 ; 6 666 ; 6 060 ; 6 606

_____________________________________________________________________

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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 hoofberekeninge uitvoer wat die volgende behels:

1.9.1 optelling en aftrekking;

1.9.2 vermenigvuldiging van heelgetalle tot minstens 10 × 10;

Leeruitkomste 2: Die leerder is in staat om patrone en verwantskappe te herken, te beskryf en voor te stel en probleme op te los deur algebraïese taal en vaardighede te gebruik.

Assesseringstandaard 2.1: numeriese en meetkundige patrone ondersoek en uitbrei om verwantskappe of reëls te vind, insluitend patrone soos die volgende:

2.1.1 voorgestel in fisiese of diagramvorm.

Questions & Answers

Application of nanotechnology in medicine
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
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
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
hi
Loga
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
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Source:  OpenStax, Wiskunde graad 5. OpenStax CNX. Sep 07, 2009 Download for free at http://cnx.org/content/col10993/1.1
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