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Afrikaans huistaal

Graad 5

Van melkhoutboom tot sms

Module 4

Taal as boodskappe

AKTIWITEIT 1

OM DIE HOOFBOODSKAP TE IDENTIFISEER [LU 1.2]

OM GEBEURE OP ‘N TYDLYN IN TE VUL [LU 5.3.5]

a) Luister aandagtig en volg die teks wat jou opvoeder nou aan jou gaan voorlees.

LUI, TELEFOON LUI!

“Ag, daar lui die ding al weer!” hoor ‘n mens soms as iemand uit pure frustrasie verwys na die telefoon wat kort-kort lui. Maar natuurlik is die telefoon nie bedoel om ‘n ergernis te wees nie. Veel eerder is die doel daarvan om verbinding tussen mense moontlik te maak.

In ons moderne tyd is telefoonverbinding maar slegs een manier waarop mense oor ‘n afstand met mekaar kommunikeer. Vir julle jong klomp is faksmasjiene, satellietverbindings en -uitsendings, selfone en mikrogolfskottels glad nie vreemd nie. Julle word immers groot in ‘n wêreld waarin die tegnologie en elektronika so vinnig ontwikkel dat ons ouer mense amper nie kan byhou nie!

Die Amerikaner, Alexander Graham Bell, se ontwikkeling van die telefoon is natuurlik al in 1876 goedgekeur. In ‘n groot land soos Suid-Afrika is dit natuurlik ook noodsaaklik om telefone te hê. Die eerste telefoonsentrale is reeds in 1882 geopen ― nogal in Port Elizabeth. Sewentig jaar later was daar reeds eenmiljoen telefone in Suid-Afrika. Hierdie getal het na nog 25 jaar (teen 1980) vermeerder tot ongeveer twee en ‘n half miljoen.

Ons sien dikwels nog telefoondrade wat hoog oor pale gespan is langs ons paaie. In ons stede sien ons dit nie, want die telefoonkabels word ondergronds gelê. Sulke ondergrondse kabels kan van koperdraad of optiese vesel wees. Optiese vesel is glasstafies wat so dun soos ‘n mens se haar is.

Die hoë torings met ‘n skottel bo-op wat julle dikwels op hoë geboue, koppies of berge sien, is mikrogolfskottels. Dit word gebruik om telefoonoproepe oor lang afstande te stuur.

Vanaf 1972 kon mense met outomatiese telefone direk na nommers in oorsese lande bel. Vandag kan oproepe natuurlik na enige land in die wêreld gemaak word. Vir dié doel is daar ondersese kabels wat vanaf Melkbosstrand naby Kaapstad na Europa gelê is.

Die kabel is van optiese vesel gemaak. ‘n Ander metode is om van ‘n satelliet gebruik te maak. Seine word vanaf skottelantennes op die aarde na die satelliet gesein, waarvandaan dit weer na ‘n skottel in ‘n ander land gesein word.

Op 31 Maart 1994 het Suid-Afrika se selfoonnetwerk begin werk, met twee maatskappye, Vodacom en MTN, wat elk die helfte van die mark beheer het.

Noudat jy na die voorlesing geluister het, kan jy in een sin opsom watter nut Bell se uitvinding vir ons het?

b) Gebruik die inligting in die leesstuk om die tydlyn hieronder te voltooi wat die volgende gebeure daarop sal aandui:

Bell maak sy telefoon Eerste telefoonsentrale in Suid-Afrika 1 000 000 telefone in Suid-Afrika 2 500 000 telefone in Suid-Afrika Ons skakel direk na oorsese nommers Ons begin selfone gebruik

AKTIWITEIT 2

OM TE GESELS OOR SOSIALE HOUDINGS EN VERONDERSTELLINGS

[LU 1.7]

Bespreek in julle groepe:

AKTIWITEIT 3

OM ‘N NAVORSINGSVAARDIGHEID TE OEFEN [LU 3.11]

Questions & Answers

how did you get 1640
Noor Reply
If auger is pair are the roots of equation x2+5x-3=0
Peter Reply
Wayne and Dennis like to ride the bike path from Riverside Park to the beach. Dennis’s speed is seven miles per hour faster than Wayne’s speed, so it takes Wayne 2 hours to ride to the beach while it takes Dennis 1.5 hours for the ride. Find the speed of both bikers.
MATTHEW Reply
420
Sharon
from theory: distance [miles] = speed [mph] × time [hours] info #1 speed_Dennis × 1.5 = speed_Wayne × 2 => speed_Wayne = 0.75 × speed_Dennis (i) info #2 speed_Dennis = speed_Wayne + 7 [mph] (ii) use (i) in (ii) => [...] speed_Dennis = 28 mph speed_Wayne = 21 mph
George
Let W be Wayne's speed in miles per hour and D be Dennis's speed in miles per hour. We know that W + 7 = D and W * 2 = D * 1.5. Substituting the first equation into the second: W * 2 = (W + 7) * 1.5 W * 2 = W * 1.5 + 7 * 1.5 0.5 * W = 7 * 1.5 W = 7 * 3 or 21 W is 21 D = W + 7 D = 21 + 7 D = 28
Salma
Devon is 32 32​​ years older than his son, Milan. The sum of both their ages is 54 54​. Using the variables d d​ and m m​ to represent the ages of Devon and Milan, respectively, write a system of equations to describe this situation. Enter the equations below, separated by a comma.
Aaron Reply
find product (-6m+6) ( 3m²+4m-3)
SIMRAN Reply
-42m²+60m-18
Salma
what is the solution
bill
how did you arrive at this answer?
bill
-24m+3+3mÁ^2
Susan
i really want to learn
Amira
I only got 42 the rest i don't know how to solve it. Please i need help from anyone to help me improve my solving mathematics please
Amira
Hw did u arrive to this answer.
Aphelele
hi
Bajemah
-6m(3mA²+4m-3)+6(3mA²+4m-3) =-18m²A²-24m²+18m+18mA²+24m-18 Rearrange like items -18m²A²-24m²+42m+18A²-18
Salma
complete the table of valuesfor each given equatio then graph. 1.x+2y=3
Jovelyn Reply
x=3-2y
Salma
y=x+3/2
Salma
Hi
Enock
given that (7x-5):(2+4x)=8:7find the value of x
Nandala
3x-12y=18
Kelvin
please why isn't that the 0is in ten thousand place
Grace Reply
please why is it that the 0is in the place of ten thousand
Grace
Send the example to me here and let me see
Stephen
A meditation garden is in the shape of a right triangle, with one leg 7 feet. The length of the hypotenuse is one more than the length of one of the other legs. Find the lengths of the hypotenuse and the other leg
Marry Reply
how far
Abubakar
cool u
Enock
state in which quadrant or on which axis each of the following angles given measure. in standard position would lie 89°
Abegail Reply
hello
BenJay
hi
Method
I am eliacin, I need your help in maths
Rood
how can I help
Sir
hmm can we speak here?
Amoon
however, may I ask you some questions about Algarba?
Amoon
hi
Enock
what the last part of the problem mean?
Roger
The Jones family took a 15 mile canoe ride down the Indian River in three hours. After lunch, the return trip back up the river took five hours. Find the rate, in mph, of the canoe in still water and the rate of the current.
cameron Reply
Shakir works at a computer store. His weekly pay will be either a fixed amount, $925, or $500 plus 12% of his total sales. How much should his total sales be for his variable pay option to exceed the fixed amount of $925.
mahnoor Reply
I'm guessing, but it's somewhere around $4335.00 I think
Lewis
12% of sales will need to exceed 925 - 500, or 425 to exceed fixed amount option. What amount of sales does that equal? 425 ÷ (12÷100) = 3541.67. So the answer is sales greater than 3541.67. Check: Sales = 3542 Commission 12%=425.04 Pay = 500 + 425.04 = 925.04. 925.04 > 925.00
Munster
difference between rational and irrational numbers
Arundhati Reply
When traveling to Great Britain, Bethany exchanged $602 US dollars into £515 British pounds. How many pounds did she receive for each US dollar?
Jakoiya Reply
how to reduced echelon form
Solomon Reply
Jazmine trained for 3 hours on Saturday. She ran 8 miles and then biked 24 miles. Her biking speed is 4 mph faster than her running speed. What is her running speed?
Zack Reply
d=r×t the equation would be 8/r+24/r+4=3 worked out
Sheirtina
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Source:  OpenStax, Afrikaans huistaal graad 5. OpenStax CNX. Sep 04, 2009 Download for free at http://cnx.org/content/col10969/1.1
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