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Wiskunde

Gewone breuke en desimale breuke

Desimale breuke

Opvoeders afdeling

Memorandum

INLEIDING

Daar is 5 modules:

1. Getalbegrip, Optelling en Aftrekking

2. Vermenigvuldiging en Deling

3. Breuke en Desimale Breuke

4. Meting en Tyd

5. Meetkunde; Datahantering en Waarskynlikheid

4 Dit is belangrik dat opvoeders die modules in volgorde (soos hierbo genoem) sal doen, aangesien die leerders die vorige module se kennis en vaardighede benodig vir die daaropvolgende module.

3. GEWONE EN DESIMALE BREUKE (LU 1; 2 EN 5)

LEEREENHEID 1 FOKUS OP GEWONE BREUKE

  • Hierdie module is ‘n voortsetting van die werk wat in graad 5 gedoen is. Daar word uitgebrei op die optelling en aftrekking van breuke, en die berekening van ‘n breuk van ‘n sekere hoeveelheid word ook hersien.
  • Maak seker dat die leerders die korrekte terminologie bemeester het, asook die korrekte strategieë om bogenoemde korrek te bereken.
  • Kritieke Uitkoms 5 (Effektiewe kommunikasie deur visuele, simboliese, en/of taalvaardighede op verskillende maniere te gebruik) is hier van toepassing.
  • 3 weke behoort voldoende te wees om hierdie module te voltooi.
  • ** Aktiwiteit 17 is ‘n taak vir die portefeulje. Hoewel dit ‘n baie eenvoudige opdrag is, moet leerders in staat wees om dit netjies en akkuraat uit te voer. Leerders moet voor die tyd weet hoe opvoeders die taak gaan assesseer.

LEEREENHEID 2 FOKUS OP DESIMALE BREUKE

  • Hierdie module is ‘n uitbreiding op werk wat in graad 5 afgehandel is. Leerders moet nou in staat wees om desimale breuke korrek af te rond tot die naaste tiende, honderdste en duisendste. Beklemtoon weer die korrekte metode om op te tel en af te trek (vertikaal). Gee ook baie aandag aan die vermenigvuldiging en deling van desimale breuke.
  • Aangesien leerders laasgenoemde nogal moeiliker vind, kan 3 - 4 weke aan dié module spandeer word.
  • ** Aktiwiteit 19 is ‘n taak vir die portefeulje. Die opdrag is baie eenvoudig, maar leerders moet in staat wees om dit netjies en akkuraat uit te voer. Leerders moet voor die tyd weet hoe opvoeders die taak gaan assesseer.

2.1 =

2.2<

2.3<

2.4<

2.5 =

2.6 =

2.7<

2.8<

2.9<

2.10<

Leerders afdeling

Inhoud

Aktiwiteit: om ekwivalente vorms van desimale breuke te herken en gebruik [lu 1.5.2]

ORDENING VAN DESIMALE EN GEWONE BREUKE

Vroeër in die module moes jy besluit of die verwantskapstekens korrek ingevul is. Werk saam met ‘n maat en kyk na die volgende vraag en oplossings:

1. Twee verwers wou weet wie die langste muur sou moes verf: een van 9,3 m of een van 9 1 4 size 12{9 { {1} over {4} } } {} meter.

x 4

  • x 4Ek redeneer so: 9,3 = 9 3 10 size 12{9 { {3} over {"10"} } } {} 3 10 size 12{ { {3} over {"10"} } } {} = 12 40 size 12{ { {"12"} over {"40"} } } {}

x 10 9 3 10 size 12{9 { {3} over {"10"} } } {} = 9 12 40 size 12{9 { {"12"} over {"40"} } } {}

x 10 9 1 4 size 12{9 { {1} over {4} } } {} = 9 10 40 size 12{9 { {"10"} over {"40"} } } {} 1 4 size 12{ { {1} over {4} } } {} = 10 40 size 12{ { {"10"} over {"40"} } } {}

Die 9,3 m muur is die langste.

1.2 Ek verander die 9 1 4 size 12{9 { {1} over {4} } } {} m eers na ‘n desimale breuk.

x 25x 25 9 1 4 size 12{9 { {1} over {4} } } {} = 1 4 size 12{ { {1} over {4} } } {} = 25 100 size 12{ { {"25"} over {"100"} } } {}

9,3 =

Wie se metode verkies jy ?

  • Hoekom?

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2. NOG ‘N KOMPETISIE!

Hierdie keer is dit span A teen span B! Julle het hierdie keer 2 minute tyd om die korrekte verwantskapsteken in te vul. Jul opvoeder sal daarna enige leerder vra om die antwoorde te verstrek.

2.1 0,09 9 100 size 12{ { {9} over {"100"} } } {}

2.2 4,02 4 2 5 size 12{4 { {2} over {5} } } {}

2.3 0,016 16 100 size 12{ { {"16"} over {"100"} } } {}

2.4 0 0,8

2.5 0,20 . 1 5 size 12{ { {1} over {5} } } {}

2.6 1,4 1 8 20 size 12{1 { {8} over {"20"} } } {}

2.7 3 210 1 000 size 12{ { {"210"} over {1`"000"} } } {} 3,22

2.8 0,494 1 2 size 12{ { {1} over {2} } } {}

2.9 2,006 2 6 100 size 12{2 { {6} over {"100"} } } {}

2.10 0,025 1 4 size 12{ { {1} over {4} } } {}

  • Wie het hierdie keer gewen?
  • Hoeveel het JY reg gehad?

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 1.5: ekwivalente vorms van die bogenoemde getalle herken en gebruik, insluitend:

1.5.2 desimale breuke tot minstens 2 desimale plekke.

Questions & Answers

how does Neisseria cause meningitis
Nyibol Reply
what is microbiologist
Muhammad Reply
what is errata
Muhammad
is the branch of biology that deals with the study of microorganisms.
Ntefuni Reply
What is microbiology
Mercy Reply
studies of microbes
Louisiaste
when we takee the specimen which lumbar,spin,
Ziyad Reply
How bacteria create energy to survive?
Muhamad Reply
Bacteria doesn't produce energy they are dependent upon their substrate in case of lack of nutrients they are able to make spores which helps them to sustain in harsh environments
_Adnan
But not all bacteria make spores, l mean Eukaryotic cells have Mitochondria which acts as powerhouse for them, since bacteria don't have it, what is the substitution for it?
Muhamad
they make spores
Louisiaste
what is sporadic nd endemic, epidemic
Aminu Reply
the significance of food webs for disease transmission
Abreham
food webs brings about an infection as an individual depends on number of diseased foods or carriers dully.
Mark
explain assimilatory nitrate reduction
Esinniobiwa Reply
Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
Elkana
This process is called assimilatory nitrate reduction because the nitrogen that is produced is incorporated in the cells of microorganisms where it can be used in the synthesis of amino acids and other nitrogen products
Elkana
Examples of thermophilic organisms
Shu Reply
Give Examples of thermophilic organisms
Shu
advantages of normal Flora to the host
Micheal Reply
Prevent foreign microbes to the host
Abubakar
they provide healthier benefits to their hosts
ayesha
They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
Mark
what is cell
faisal Reply
cell is the smallest unit of life
Fauziya
cell is the smallest unit of life
Akanni
ok
Innocent
cell is the structural and functional unit of life
Hasan
is the fundamental units of Life
Musa
what are emergency diseases
Micheal Reply
There are nothing like emergency disease but there are some common medical emergency which can occur simultaneously like Bleeding,heart attack,Breathing difficulties,severe pain heart stock.Hope you will get my point .Have a nice day ❣️
_Adnan
define infection ,prevention and control
Innocent
I think infection prevention and control is the avoidance of all things we do that gives out break of infections and promotion of health practices that promote life
Lubega
Heyy Lubega hussein where are u from?
_Adnan
en français
Adama
which site have a normal flora
ESTHER Reply
Many sites of the body have it Skin Nasal cavity Oral cavity Gastro intestinal tract
Safaa
skin
Asiina
skin,Oral,Nasal,GIt
Sadik
How can Commensal can Bacteria change into pathogen?
Sadik
How can Commensal Bacteria change into pathogen?
Sadik
all
Tesfaye
by fussion
Asiina
what are the advantages of normal Flora to the host
Micheal
what are the ways of control and prevention of nosocomial infection in the hospital
Micheal
what is inflammation
Shelly Reply
part of a tissue or an organ being wounded or bruised.
Wilfred
what term is used to name and classify microorganisms?
Micheal Reply
Binomial nomenclature
adeolu
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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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