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  • GETIntPhaseMaths display tagshide tags

    This module and collection are included inLens: Siyavula: Mathematics (Gr. 4-6)
    By: Siyavula

    Module Review Status: In Review
    Collection Review Status: In Review

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Om probleme in konteks op te los

Module by: Siyavula Uploaders. E-mail the author

WISKUNDE

Getalbegrip, Optelling en Aftrekking

Getalbegrip

OPVOEDERS AFDELING

1.1 12 November 2001

5 November 2001

1.2 R94,98

1.3 10

1.4 14%

14%

1.5 kaart

Kontant

1.6 Anneke

1.7 R25,00

1.8 820:14

15:30

  • Kassier 101
  • betaal nie belasting daarop nie

2. R9 + R12 + R9 + R4 + R2 + R4 = R40

3.1 1 liter volroom melk

  • kg hoenderstukke
  • liter Coke

410 g Surfmaid ertjies

200 g Niknaks

5 liter Vanilla roomys

1 Sasko Sam bruinbrood

3.2 Pryse sal wissel na gelang van winkel wat gekies is

3.3 Bereken na aanleiding van pryse by 3.2

3.4 Bereken na aanleiding van die bedrag by 3.3

LEERDERS AFDELING

Inhoud

AKTIWITEIT: Om probleme in konteks op te los [LU 1.6.1]

As ons vandag iets by ‘n winkel koop, ontvang ons ‘n betaalstrokie daarvoor. Ons moet dit kan verstaan en “lees”, anders sal ons nie kan kontroleer of die bedrag wat ons moet betaal werklik ‘n weerspieëling van ons aankope is nie. Kyk na die volgende voorbeelde.

Table 1
graphics1.png graphics2.png

1. Bestudeer die bogenoemde voorbeelde en beantwoord dan die volgende vrae:

1.1 Wanneer is die aankope gedoen by

Pick ’n Pay? ____________________________________________________

Ranch Meat Centre? _____________________________________________

1.2 Wat kos die biltong per kg? __________________________________

1.3 Hoeveel items is by Pick ’n Pay gekoop? _______________________

1.4 Hoeveel % belasting moes betaal word by

Pick ’n Pay? ____________________________________________________

Ranch Meat Centre? _____________________________________________

1.5 Hoe (waarmee) het die klant betaal by

Pick ’n Pay? ___________________________________________________

Ranch Meat Centre? _____________________________________________

1.6 Wie was die kassier by Ranch Meat Centre? __________________________

1.7 Watter bedrag het die klant aan haar gegee? _____________________________

1.8 Hoe laat is die aankope gedoen by

Pick ’n Pay? ____________________________________________________

Ranch Meat Centre? _____________________________________________

1.9 As jou aankope nie met die strokie ooreenstem nie, hoe sal jy weet watter kassier het jou by Pick ’n Pay gehelp as jy nie kan onthou hoe hy / sy lyk nie?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

1.10 Wat beteken die * langs ’n paar van die bedrae op die Pick ’n Pay strokie?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

ONTHOU JY NOG?

Verduidelik aan ’n maat hoe ons afrond tot die naaste 10, 100 en 1 000.

** Kan jy verduidelik hoe ons sal afrond tot die naaste 10 000?

2. Wanneer ons inkopies doen, kan ons deur te skat tot die naaste rand bepaal of ons genoeg geld sal hê om te betaal.

Kyk na die volgende strokie. Rond af tot die naaste rand en skat so hoeveel jy vir jou inkopies moet betaal.

Table 2
LAMSNEK  
0.360 Kg @ R25.98 / Kg  
R9.35 .........................
LAMSNEK  
0.444 Kg @ R25.98 / Kg  
R11.54 .........................
   
SUIKERMIELIES R8.79 .........................
SKORSIES  
1.295 Kg @ R3.29 / Kg  
R4.26 .........................
PATATS  
0.686 Kg @ R2.99 / Kg  
R2.05 .........................
   
GOOD MORNING H R3.79 .........................
GEKOOKTE HAM  
0.288 Kg @ R44.95 / Kg  
R12.95 .........................

3. Deurmekaar Dora se inkopielys is heeltemal verkeerd!

1 kg volroom melk

1 liter hoenderstukke

2 g Coke

410 ml Surfmaid ertjies

200 ml Niknaks

5 kg Vanilla roomys

1 Sasko Sam bruinbrood

3.1 Skryf die inkopielys reg oor:

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

3.2 Bepaal wat elke item by jou naaste supermark kos en skryf dit neer:

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

3.3 Bereken met behulp van jou sakrekenaar wat dié inkopies jou gaan kos.

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

3.4 As jy met ’n R100-noot betaal, hoeveel kleingeld sal jy kry?

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

ONTHOU JY NOG?

Jou sakrekenaar het ’n geheue wat jy kan gebruik om berekeninge waarin meer as een bewerking voorkom, korrek te doen.

M+ : stel die sakrekenaar in staat om die antwoord te bêre of te memoriseer

MR / RCM : dié sleutels word gedruk as jy al die gememori­seerde antwoorde wil oproep.

Bv.: (347 219 + 34 987) + (296 553 + 1 897 320)Druk 347 219 + 34 987 = M+Druk dan 296 553 + 1 897 320 = M+Druk dan MR / RCM

Assessering

Leeruitkomste 1:Die leerder is in staat om getalle en hul verwantskappe te herken, te beskryf en voor te stel. Hulle kan ook met bekwaamheid en vertroue tel, skat, bereken en kontroleer tydens die oplos van probleme.

Assesseringstandaard 1.6: Dit is duidelik wanneer die leerder probleme oplos in konteks, insluitend kontekste wat gebruik kan word om ‘n bewustheid van ander leerareas, asook van menseregte-, sosiale, ekonomiese en omgewingskwessies, te bevorder soos:

1.6.1: finansiële kontekste (insluitend koop en verkoop, wins en verlies, eenvoudige begrotings, lees en vertolking van rekeninge, en afslag).

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