HOËRSKOOL DELMAS
WISKUNDE / MATHEMATICS
GRAAD / GRADE 9
8 APRIL 2021
TOTAAL / TOTAL: 75
TYD / TIME: 1 UUR / HOUR
EKSAMINATOR / EXAMINATOR : MNR D ENSLIN
MODERATOR : MS E LAMPRECHT
______________________________________________________________________________
INSTRUKSIES / INSTRUCTIONS
1. Lees alle vrae deeglik, werk akkuraat en wys alle berekeninge – STAP VIR STAP / Read
all instructions thoroughly, work accurately and show all calculations – STEP BY
STEP.
2. Beantwoord al die vrae / Answer all the questions.
3. Sakrekenaars mag gebruik word. / Calculators are allowed.
4. Rond af tot 2 desimale, waar nodige. / Round off to 2 decimals, where applicable.
5. STERKTE! / GOOD LUCK!
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VRAAG 1 / QUESTION 1
1.
Voltooi die tabel (maksimum 12 merkies): / Complete the table (maximum 12 marks):
IR
Non
IR
√
√
√
(12)
VRAAG 2 / QUESTION 2
Bepaal die GGD en KGV van die volgende getalle met behulp van die leertjie-metode. /
Determine the GCD and LCM of the following numbers by using the ladder method.
24
36
40
(6)
VRAAG 3 / QUESTION 3
3.1
3.2
3.3
3.4
3.5
Vereenvoudig: / Simplify:
3L : 250 ml
(2)
Vermeerder R3 500 in die verhouding 2 : 5. /
Increase R3 500 in the ratio of 2 : 5.
(2)
Verminder R36,50 in die verhouding 9 : 5. /
Decrease R36,50 in the ratio of 9 : 5.
(3)
Verdeel R4 200 in die verhouding 1 : 2 : 3. /
Divide R4 200 in the ratio of 1 : 2 : 3.
(4)
‘n Motor ry teen ‘n konstante spoed van 150 km/h. Hoe ver sal hy ry
in 3 uur en 20 min? /
A car travels at a constant speed of 150km/h. How far will it travel
in 3 hours and 20 min?
(3)
VRAAG 4 / QUESTION 4
Bereken: / Calculate:
4.1
(2)
4.2
(2)
4.3
4.4
√
√
√
(4)
√
(3)
VRAAG 5 / QUESTION 5
Vereenvoudig: / Simplify:
5.1
(2)
5.2
(2)
5.3
(2)
5.4
(2)
5.5
(3)
5.6
(3)
VRAAG 6 / QUESTION 6
0 ; 10 ; 20 ; 30 ; 40 ; ...
6.1
Gee die volgende 3 terme in die bostaande ry. / Give the following 3 terms
in the row above.
(1)
6.2
Bepaal die formule vir die ry. / Determine the formula for the row.
(2)
6.3
Bepaal T20. / Determine T20.
(3)
VRAAG 7 / QUESTION 7
Vereenvoudig: / Simplify:
7.1
(3)
7.2
(3)
VRAAG 8 / QUESTION 8
As / If
en/and
Bepaal die waarde van: / Determine the value of:
(3)
VRAAG 9 / QUESTION 9
Bepaal die waarde van : / Determine the value of :
(3)
TOTAAL / TOTAL [75]