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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 can chip be made from sand
Eke Reply
are nano particles real
Missy Reply
yeah
Joseph
Hello, if I study Physics teacher in bachelor, can I study Nanotechnology in master?
Lale Reply
no can't
Lohitha
where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
Ali
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
hey
Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
has a lot of application modern world
Kamaluddeen
yes
narayan
what is variations in raman spectra for nanomaterials
Jyoti Reply
ya I also want to know the raman spectra
Bhagvanji
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
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
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
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
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
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit 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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