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    This module and collection are included inLens: Siyavula: Mathematics (Gr. 7-9)
    By: Siyavula

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Metodes om inligting te versamel

Module by: Siyavula Uploaders. E-mail the author

WISKUNDE

Nog Meetkunde, Datahantering en Waarskynlikheid

OPVOEDERS AFDELING

Memorandum

12.2

(a) 8

(b) 7,5 (7 en ‘n half)

(c) 7,3

12.5 Internet

LEERDERS AFDELING

Inhoud

AKTIWITEIT: Metodes om inligting te versamel [LU 5.1, LU 5.2, LU 5.3, LU 5.6, LU 5.9]

12. Metodes om inligting te versamel

12.1 Ja / Nee - antwoorde

a) Ondervra enige familielid en merk die toepaslike blokkie:

Table 1
  Ja Nee
Eet jy graag kool?    
Hou jy van sport?    
Kyk jy langer as 2 uur per dag TV?    
Neem jy enige medikasie?    
Ly jy aan asma?    
Hou jy van pizza?    
Besit jy ’n motor?    
Het jy broers en/of susters?    
Is jy die oudste kind?    
Werk jy voltyds?    
Het jy hoë bloeddruk?    
Dink jy die petrolprys gaan nog styg?    
Dink jy rentekoerse gaan verhoog word hierdie jaar?    

b) Waar, dink jy, word vraelyste soos hierdie gereeld gebruik?

_____________________________________________________________________

_____________________________________________________________________

12.2 Verskeidenheid antwoorde

12.2.1 Ondervra nou ’n ander familielid en skryf sy/haar antwoorde neer.

a) Wat is jou beroep? _________________________________________

b) Hoeveel kinders het jy? ___________________________________

c) Wat is jou gunsteling TV-program? ________________________________

d) Watter boek het jy onlangs gelees? _________________________________

e) Watter soort motor besit jy? ____________________________________

f) Na watter soort musiek luister jy graag? __________________________

g) Wat is, volgens jou, die grootste krisis in ons land? _________________

_______________________________________________________________

h) Waaraan, dink jy, behoort ons regering nou onmiddellik aandag te gee? _______________________________________________________________

_______________________________________________________________

i) Waarom is die rand so wisselvallig? _________________________________ _______________________________________________________________

j) Waarom styg voedselpryse aanhoudend? _____________________________

_______________________________________________________________

12.2.2 Verdeel in groepe van drie en vergelyk jul antwoorde.

12.2.3 Waar, dink julle, sal vraelyste wat ’n verskeidenheid antwoorde kan hê, gewoonlik gebruik word?

_____________________________________________________________________

_____________________________________________________________________

12.3 Gegewe inligting

  • Soms kry jy die antwoorde wat jy soek, uit gegewe inligting.

a) Soek die duurste huis wat in jou plaaslike koerant geadverteer word (Eiendomme). Knip dit netjies uit en plak dit hieronder.

b) Raadpleeg jou advertensie en voltooi die volgende inligting:

i) Huis se prys: _______________________________________________

ii) Voorstad / Dorp/ Stad: ____________________________________________

iii) Aantal slaapkamers: ____________________________________________

iv) Aantal badkamers: ____________________________________________

v) Aantal motorhuise: ______________________________________________

vi) Ander vertrekke gemeld:

_______________________________________________________________

vii) Enige “ekstras” (bv. swembad): _________________________________

_______________________________________________________________

viii) Sal JY dié huis koop as jy dit kon bekostig? _______________________

Hoekom/hoekom nie? ___________________________________________

_______________________________________________________________

_______________________________________________________________

_______________________________________________________________

c) Maak ’n lys van pryse van nog 10 huise wat geadverteer word.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

i) Bereken die mediaan. ____________________________________________

_____________________________________________________________________

ii) Wat is die gemiddelde prys waarteen dié huise verkoop word?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

12.4 Versamel ook die volgende inligting:

a) Raadpleeg jou plaaslike koerant / TV-gids. Kyk hoeveel tyd aan die volgende spandeer word en voltooi die tabelle.

Table 2
TV 2
Program Maan Dins Woens Don Vry
Nuus          
Sepies          
Flieks          
Kindervermaak          
Sport          
Table 3
TV 3
Program Maan Dins Woens Don Vry
Nuus          
Sepies          
Flieks          
Kindervermaak          
Sport          

b) Beantwoord die volgende vrae:

i) Aan watter tipe program word die meeste tyd spandeer op TV 2?

_______________________________________________________________

ii) Aan watter tipe program word die ministe tyd spandeer op TV 3?

_______________________________________________________________

iii) Watter stasie/kanaal spandeer die meeste tyd aan sport? _________________

iv) Watter stasie/kanaal spandeer die minste tyd aan kindervermaak? __________

v) Na watter van die bogenoemde soorte programme kyk JY die meeste?

_______________________________________________________________

12.5 Kan jy aan nog metodes dink om inligting te versamel?

_______________________________________________________________

Assessering

Leeruitkomste 5:Die leerder is in staat om data te versamel, op te som, voor te stel en krities te ontleed om gevolgtrekkings en voorspellings te maak en om toevallige variasie te interpreteer en te bepaal.

Assesseringstandaard 5.1: Dit is duidelik wanneer die leerder vrae oor menseregte-, sosiale, politieke, kulturele, omgewing- en ekonomiese sake in eie omgewing stel;

Assesseringstandaard 5.2: Dit is duidelik wanneer die leerder geskikte bronne vir die versameling van data (insluitend maats, gesin en familie, koerante, boeke, tydskrifte) kies;

Assesseringstandaard 5.3: Dit is duidelik wanneer die leerder eenvoudige vraelyste (met ‘n verskeidenheid moontlike antwoorde) en ontwerp gebruik en vraelyste (met ja/nee-tipe-antwoorde) gebruik ten einde data te versamel (alleen en of as lid van ‘n groep of span) om vrae te beantwoord;

Assesseringstandaard 5.6: Dit is duidelik wanneer die leerder opsommings maak van ongegroepeerde numeriese data deur die gemiddeld, mediaan en modus as bepalers van sentrale neigings te bereken, en daartussen onderskei;

Assesseringstandaard 5.9: Dit is duidelik wanneer die leerder data wat op verskeie maniere voorgestel is krities lees en interpreteer ten einde gevolgtrekkings en voorspellings te maak wat sensitief is.

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