WISKUNDIGE GELETTERDHEID
NOG OEFENINGE

Koers, verhouding en eweredigheid

MATHEMATICAL LITERACY
MORE EXERCISES

Rate, ratio and proportion

Vraag  / Question  1

Vier kilogram aartapples kos R28,45.

1.1  Sal 15 kg aartappels minder
of meer kos?
[ A 1.1 ]

1.2  Watter soort eweredigheid
is dit die?
[ A 1.2 ]

1.3  Wat sal 15 kg aartappels kos?
[ A 1.3 ]

1.4  Hoeveel kilogram aartappels sal
R77,10 kos?
[ A 1.4 ]
Four kilogram of potatoes cost R28,45.

1.1  Will 15 kg of potatoes cost
more or less?
[ A 1.1 ]

1.2  What kind of proportion is this?

[ A 1.2 ]

1.3  What will 15 kg of potatoes cost?
[ A 1.3 ]

1.4  How many kilograms of potatoes
will cost R77,10?
[ A 1.4 ]

Vraag  / Question  2

Drie pampoene kos R38,25.

2.1  Wat sal 8 pampoene kos?
[ A 2.1 ]

2.2  Hoeveel pampoene kan jy
vir R63,75 koop?
[ A 2.2 ]
Three pumpkins cost R38,25.

2.1  What will 8 pumpkins cost?
[ A 2.1 ]

2.2  How many pumpkins can you
[ A 2.2 ]

Vraag  / Question  3

34,25 liter petrol kos R655,55.

3.1  Wat sal 68,21 liter petrol kos?
[ A 3.1 ]

3.2  Hoeveel liter petrol kos
R816,20?
[ A 3.2 ]

34,25 liters of petrol cost R655,55.

3.1  What will 68,21 liters of petrol cost?
[ A 3.1 ]

3.2  How many liters of petrol will
cost R816,20?
[ A 3.2 ]

Vraag  / Question  4

'n Seun hardloop 9 km in 36,5 minute.
Aanvaar dat hy teen dieselfde
spoed hardloop en beantwoord
dan die volgende vrae :

4.1  Hoe lank sal hy neem om
21 km te hardloop?
[ A 4.1 ]

4.2  Hoe ver kan hy in 55,8 minute
hardloop?
[ A 4.2 ]

A boy runs 9 km in 36,5 minutes.
Accept that he maintains the same
following questions :

4.1  How long will it take him to
run 21 km?
[ A 4.1 ]

4.2  How far does he run in
55,8 minutes?
[ A 4.2 ]

Vraag  / Question  5

'n Motor ry 53,5 km in 33,4375 minute.
Aanvaar dat dit teen dieselfde
spoed ry en beantwoord dan
die volgende vrae :

5.1  Wat is die spoed van die
motor in km/h?
[ A 5.1 ]

5.2  Hoe ver sal die motor
in 3,5 uur ry?
[ A 5.2 ]

5.3  Hoe lank neem dit om
38,7 km af te lê?
[ A 5.3 ]

A car travels 53,5 km in 33,4375 minutes.
Accept that the car maintains the same
following questions :

5.1  What is the speed of the car
in km/h?
[ A 5.1 ]

5.2  How far will the car travel
in 3,5 hours?
[ A 5.2 ]

5.3  How long will it take the car
to travel 38,7 km?
[ A 5.3 ]

Vraag  / Question  6

'n Man sny 17 snye van 'n brood af.
'n Kind kry 3 snye vir aandete.
Hoeveel kinders kan met
6 brode kos kry?
[ A 6. ]

A man cuts 17 slices off a loaf of bread.
A child gets 3 slices for supper.
How many children can be fed with
[ A 6. ]

Vraag  / Question  7

'n Motor ry 31,947 km met 2,3 liter petrol.
2,3 liter petrol.

7.1  Sal meer of minder petrol
nodig wees om 100 km te ry?
[ A 7.1 ]

7.2  Watter soort eweredigheid is die?
[ A 7.2 ]

7.3  Hoeveel liter petrol is nodig
om 100 km teen dieselfde
verbruik, te ry?
[ A 7.3 ]

7.4  Hoe ver kan die motor met
18,6 liter petrol, teen
dieselfde verbruik, ry?
[ A 7.4 ]
A car travels 31,947 km using
2,3 liters of petrol.

7.1  Will more or less petrol be needed
to travel 100 km?
[ A 7.1 ]

7.2  What kind of proportion is this?
[ A 7.2 ]

7.3  How many liters of petrol is
needed to travel 100 km at
the present consumption?
[ A 7.3 ]

7.4  How far can the car travel
using 18,6 liters of petrol
at the present consumption?
[ A 7.4 ]

Vraag  / Question  8

Anna wil botterbroodjies vir ontbyt bak.
Sy het die meegaande resep :

8.1  Sy het 300 g meelblom. Sal sy
genoeg meel hê om die broodjies
te bak? Gegee dat 1 koppie
meelblom se massa 147 g is.
Toon al jou berekeninge.
[ A 8.1 ]

8.2  Anna het nie 'n maatkoppie nie
maar wel 'n maatbeker, gemerk
in mℓ. Hoeveel mℓ melk het sy
nodig as 1 koppie melk 'n
volume van 250 mℓ het?
Toon al jou berekeninge.
[ A 8.2 ]

8.3  Die massa van 250 mℓ
suiker is 200 g. Hoeveel gram
suiker moet sy gebruik as
1 teelepel = 5 mℓ?
[ A 8.3 ]

8.4  Skakel 450 °F to °C.
5
Gebruik °C = ──  (°F - 32)
9
[ A 8.4 ]

Anne wants to bake scones for breakfast.
She has the accompanying recipe :

8.1  She has 300 g of flour. Does she have
enough flour to bake the scones?
Given that 1 cup of flour has a mass
of 147 g. Show all your calculations.
[ A 8.1 ]

8.2  Anne does not have a measuring cup.
She has a measuring jar marked in mℓ.
How many mℓ of milk does she need
if 1 cup of milk has a volume of 250 mℓ.
[ A 8.2 ]

8.3  The mass of 250 mℓ of sugar is 200 g.
How many grams of sugar should she
use if 1 teaspoon = 5 mℓ?
[ A 8.3 ]

8.4  Convert 450 °F to °C.
5
Use °C = ──  (°F - 32)
9
[ A 8.4 ]