WISKUNDIGE GELETTERDHEID
GRAAD 10
NOG OEFENINGE
Koers, verhouding en eweredigheid
MATHEMATICAL LITERACY
GRADE 10
MORE EXERCISES
Rate, ratio and proportion
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 ]
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
buy for R63,75?
[ A 2.2 ]
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 ]
'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
speed and the answer the
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 ]
'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
speed and answer the
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 ]
'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
6 loaves of bread?
[ A 6. ]
'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 ]
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. Show your calculations.
[ 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 ]
'n Koeldrank word gemaak deur
2 dele konsentraat met 5 dele
water te meng.
9.1 Hoeveel water moet by 50 ml
konsentraat gevoeg word?
[ A 9.1 ]
9.2 Hoeveel konsentraat moet by
500 ml water gevoeg word?
[ A 9.2 ]
9.3 Jy wil 3 liter koeldrank aanmaak.
Hoeveel konsentraat moet met
hoeveel water gemeng word?
[ A 9.3 ]
A cold drink is made by mixing
2 parts of concentrate with
5 parts of water.
9.1 How many ml of water must be
added to 50 ml of concentrate?
[ A 9.1 ]
9.2 How much concentrate must be added
to 500 ml of water?
[ A 9.2 ]
9.3 You want to prepare 3 liters of
cold drink. How much concentrate
must be added to how much water?
[ A 9.3 ]