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LAER VOLKSKOOL HEIDELBERG
VAK: WISKUNDE DATUM: 29 SEPTEMBER 2020
EKSAMINATOR: MEV A. VENTER TYD: 40 MINUTE
MODERATOR: MNR J. JORDAAN TOTAAL: 25 PUNTE
_____ %
25
______________________________________________________________________________
NAAM EN VAN: _______________________________________ GRAAD 7: ____
______________________________________________________________________________
INSTRUKSIES:
- Beantwoord alle vrae op die vraestel.
- Sterkte!
______________________________________________________________________________
VRAAG 1: GEE EEN PAAR GETALLE WAT DIE VOLGENDE VERGELYKINGS
WAAR SAL MAAK [4]
1.1 a + b = 25 a = ____ en b = _____ (2)
1.2 x–y=6 x = ____ en y = _____ (2)
______________________________________________________________________________
VRAAG 2: LOS DIE VERGELYKINGS OP DEUR INSPEKSIE [3]
2.1 23 = x + 13 x = _____ (1)
2.2 x–6=x÷3 x = _____ (2)
_____________________________________________________________________________
VRAAG 3: TOON JOU BEWERKINGS [2]
Vervang die veranderlikes met ‘n getal tussen 1 en 5 om te sien watter waarde die vergelyking
waar sal maak.
8p + 2 = 33 + p – 3
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
LVH- WISKUNDE-Gr7_Sept 2020 Bladsy 1
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Wisk-Gr 7 - T3-2020_hlayiso.com_.pdf
Mathematics · Grade 7 · November Exam · 2020. Question paper, 3 pages. Read online or download the PDF.
- Subject
- Mathematics
- Grade
- Grade 7
- Document type
- Question paper
- Year
- 2020
- Exam period
- November Exam
- Pages
- 3
- File size
- 175.4 KB
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VRAAG 4: [3]
4.1 Xavier wil musiek van Joox op die internet aflaai. Dit kos hom R60 om by Joox aan te sluit en
dan R6 vir elke liedjie wat hy aflaai. Skryf ‘n formule om die koste van die musiek af te laai, as
C = koste om die musiek af te laai ; n = die aantal liedjies wat afgelaai word. (2)
______________________________________________________________
4.2 Gebruik jou formule en bepaal hoeveel dit Xavier sal kos om 8 liedjies af te laai. (1)
______________________________________________________________
_____________________________________________________________________________
VRAAG 5: SKRYF ‘N EKWIVALENTE VERGELYKING VIR ELK VAN DIE VOLGENDE.
MOENIE DIE VERGELYKINGS OPLOS NIE. [3]
5.1 m x n = 24 _____________________________________ (1)
5.2 u=v–w _____________________________________ (1)
12
5.3 =d _____________________________________ (1)
𝑐
_____________________________________________________________________________
VRAAG 6: SKRYF ‘N VERGELYKING VIR DIE VOLGENDE BEWERINGS. MOENIE DIE
VERGELYKINGS OPLOS NIE. [3]
6.1 Die produk van twee getalle is 27. ____________________________ (1)
6.2 ‘n Getal minus 4 gee dieselfde antwoord as die getal gedeel deur 3.
______________________________________________________ (1)
6.3 Die vierkant van ‘n getal is 16. ____________________________ (1)
______________________________________________________________________________
VRAAG 7: SKRYF ELKE UITDRUKKING IN ‘N KORTER VORM [4]
7.1 x+x+x+x+x= ________ (1) 7.3 rxrxrxr = ________ (1)
7.2 5a + 2a = ________ (1) 7.4 3x5xy= ________ (1)
_____________________________________________________________________________
LVH- WISKUNDE-Gr7_Sept 2020 Bladsy 2
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VRAAG 8: BEPAAL DIE WAARDES [3]
Bepaal die waarde van die volgende uitdrukkings as k = 3, b = -2 en c = 4.
8.1 kc + 4 ________________________________________________________ (1)
8.2 cx5–b ________________________________________________________ (1)
8.3 k+8÷c ________________________________________________________ (1)
______________________________________________________________________________
TOTAAL: [25]
LVH- WISKUNDE-Gr7_Sept 2020 Bladsy 3
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